Cooper River at Charleston Harbor (IN MLLW)
5.4 mi- Level
- 4.8 ft
Forecast peak 8.3 ft Mon 8 AM, major flooding
Reading from Sat 4:24 PM · NWS gauge page
4 active weather alerts
Coastal Flood Watch
Starts in 10 h 46 min
- When
- For the Coastal Flood Advisory, until 10 PM EDT this evening. For the High Surf Advisory, until 5 PM EDT Monday. For the High Rip Current Risk, through Sunday evening. For the Coastal Flood Watch, from 4 AM EDT Sunday through Sunday morning.
- Where
- Coastal Colleton and Charleston Counties.
Issued for this forecast zone · National Weather Service Charleston SC
What, impacts and precautionsHide details
What
For the Coastal Flood Advisory, up to one foot of inundation above ground level along shorelines and tidal waterways (7.4 to 7.6 feet Mean Lower Low Water at Charleston). For the High Surf Advisory, large breaking waves of 4 to 6 feet in the surf zone. For the High Rip Current Risk, dangerous rip currents. For the Coastal Flood Watch, one to two feet of inundation above ground level possible along shorelines and tidal waterways (7.9 to 8.1 feet Mean Lower Low Water at Charleston).
Impacts
Significant saltwater inundation will render numerous roads impassable. Properties may also flood. Dangerous swimming and surfing conditions and localized beach erosion. Rip currents can sweep even the best swimmers away from shore into deeper water.
Additional details
High tide will occur around 7:13 PM today and around 7:34 AM Sunday at Charleston. Saltwater inundation will be possible 1 to 2 hours before and after high tide.
Precautionary actions
If travel is required, allow extra time as some roads may be closed. Do not drive around barricades or through water of unknown depth. Take the necessary actions to protect flood-prone property.
Visit water.weather.gov for additional water level and flood impact information.
Inexperienced swimmers should remain out of the water due to dangerous surf conditions.
Swim near a lifeguard. If caught in a rip current, relax and float. Don't swim against the current. If able, swim in a direction following the shoreline. If unable to escape, face the shore and call or wave for help.
Areas: Coastal Colleton; Charleston
See it on weather.gov (opens in a new tab)Rip Current Statement
Ends in 1 day 2 h
- When
- For the Coastal Flood Advisory, until 10 PM EDT this evening. For the High Surf Advisory, until 5 PM EDT Monday. For the High Rip Current Risk, through Sunday evening. For the Coastal Flood Watch, from 4 AM EDT Sunday through Sunday morning.
- Where
- Coastal Colleton and Charleston Counties.
Issued for this forecast zone · National Weather Service Charleston SC
What, impacts and precautionsHide details
What
For the Coastal Flood Advisory, up to one foot of inundation above ground level along shorelines and tidal waterways (7.4 to 7.6 feet Mean Lower Low Water at Charleston). For the High Surf Advisory, large breaking waves of 4 to 6 feet in the surf zone. For the High Rip Current Risk, dangerous rip currents. For the Coastal Flood Watch, one to two feet of inundation above ground level possible along shorelines and tidal waterways (7.9 to 8.1 feet Mean Lower Low Water at Charleston).
Impacts
Significant saltwater inundation will render numerous roads impassable. Properties may also flood. Dangerous swimming and surfing conditions and localized beach erosion. Rip currents can sweep even the best swimmers away from shore into deeper water.
Additional details
High tide will occur around 7:13 PM today and around 7:34 AM Sunday at Charleston. Saltwater inundation will be possible 1 to 2 hours before and after high tide.
Precautionary actions
If travel is required, allow extra time as some roads may be closed. Do not drive around barricades or through water of unknown depth. Take the necessary actions to protect flood-prone property.
Visit water.weather.gov for additional water level and flood impact information.
Inexperienced swimmers should remain out of the water due to dangerous surf conditions.
Swim near a lifeguard. If caught in a rip current, relax and float. Don't swim against the current. If able, swim in a direction following the shoreline. If unable to escape, face the shore and call or wave for help.
Areas: Coastal Colleton; Charleston
See it on weather.gov (opens in a new tab)Coastal Flood Advisory
Ends in 4 h 46 min
- When
- For the Coastal Flood Advisory, until 10 PM EDT this evening. For the High Surf Advisory, until 5 PM EDT Monday. For the High Rip Current Risk, through Sunday evening. For the Coastal Flood Watch, from 4 AM EDT Sunday through Sunday morning.
- Where
- Coastal Colleton and Charleston Counties.
Issued for this forecast zone · National Weather Service Charleston SC
What, impacts and precautionsHide details
What
For the Coastal Flood Advisory, up to one foot of inundation above ground level along shorelines and tidal waterways (7.4 to 7.6 feet Mean Lower Low Water at Charleston). For the High Surf Advisory, large breaking waves of 4 to 6 feet in the surf zone. For the High Rip Current Risk, dangerous rip currents. For the Coastal Flood Watch, one to two feet of inundation above ground level possible along shorelines and tidal waterways (7.9 to 8.1 feet Mean Lower Low Water at Charleston).
Impacts
Significant saltwater inundation will render numerous roads impassable. Properties may also flood. Dangerous swimming and surfing conditions and localized beach erosion. Rip currents can sweep even the best swimmers away from shore into deeper water.
Additional details
High tide will occur around 7:13 PM today and around 7:34 AM Sunday at Charleston. Saltwater inundation will be possible 1 to 2 hours before and after high tide.
Precautionary actions
If travel is required, allow extra time as some roads may be closed. Do not drive around barricades or through water of unknown depth. Take the necessary actions to protect flood-prone property.
Visit water.weather.gov for additional water level and flood impact information.
Inexperienced swimmers should remain out of the water due to dangerous surf conditions.
Swim near a lifeguard. If caught in a rip current, relax and float. Don't swim against the current. If able, swim in a direction following the shoreline. If unable to escape, face the shore and call or wave for help.
Areas: Coastal Colleton; Charleston
See it on weather.gov (opens in a new tab)High Surf Advisory
Ends in 1 day 23 h
- When
- For the Coastal Flood Advisory, until 10 PM EDT this evening. For the High Surf Advisory, until 5 PM EDT Monday. For the High Rip Current Risk, through Sunday evening. For the Coastal Flood Watch, from 4 AM EDT Sunday through Sunday morning.
- Where
- Coastal Colleton and Charleston Counties.
Issued for this forecast zone · National Weather Service Charleston SC
What, impacts and precautionsHide details
What
For the Coastal Flood Advisory, up to one foot of inundation above ground level along shorelines and tidal waterways (7.4 to 7.6 feet Mean Lower Low Water at Charleston). For the High Surf Advisory, large breaking waves of 4 to 6 feet in the surf zone. For the High Rip Current Risk, dangerous rip currents. For the Coastal Flood Watch, one to two feet of inundation above ground level possible along shorelines and tidal waterways (7.9 to 8.1 feet Mean Lower Low Water at Charleston).
Impacts
Significant saltwater inundation will render numerous roads impassable. Properties may also flood. Dangerous swimming and surfing conditions and localized beach erosion. Rip currents can sweep even the best swimmers away from shore into deeper water.
Additional details
High tide will occur around 7:13 PM today and around 7:34 AM Sunday at Charleston. Saltwater inundation will be possible 1 to 2 hours before and after high tide.
Precautionary actions
If travel is required, allow extra time as some roads may be closed. Do not drive around barricades or through water of unknown depth. Take the necessary actions to protect flood-prone property.
Visit water.weather.gov for additional water level and flood impact information.
Inexperienced swimmers should remain out of the water due to dangerous surf conditions.
Swim near a lifeguard. If caught in a rip current, relax and float. Don't swim against the current. If able, swim in a direction following the shoreline. If unable to escape, face the shore and call or wave for help.
Areas: Coastal Colleton; Charleston
See it on weather.gov (opens in a new tab)
Observed 4:35 PM EDT at KLRO
Sullivan's Island, SC weather
Overcast and 73°23°, gusts to 34 mph55 km/h tomorrow.
Today: low 56°13° (likely 55°13° to 56°13°), high 73°23° (likely 71°22° to 73°23°).
Now 73°23°
Cloudy
- Wind
- 8 mph13 km/hgusts 18 mph29 km/h
- From the north-northeast. Gusts to 30 mph48 km/h around 8 PM
- Dew point
- 59°15°
- A little sticky
- UV tomorrow
- 5Moderate
- Moderate 11 AM–5 PM · peak 5
- Air quality
- 42Good
- Main pollutant: PM2.5 (fine particles)
- Pressure
- 30.28 inHg1025 hPa
- Falling slowly · −0.02 inHg−0.7 hPa in 3 h
Next 2 hours
No precipitation expected in the next 2 hours.
From forecast models
Next 48 hours
About the same as this time yesterday (72°22° then, 73°23° now)
Good hours for
TonightDown to 56°13° by 4 AM · gusts to 30 mph48 km/h · Partly cloudy
Tomorrow morningUp to 68°20° by 11 AM · gusts to 29 mph47 km/h · Clear
Tomorrow afternoonNear 71°22° · gusts to 34 mph55 km/h · Partly cloudy
Tomorrow nightDown to 55°13° by 5 AM · gusts to 32 mph51 km/h · Clear
Monday morningUp to 66°19° by 11 AM · gusts to 26 mph42 km/h · Clear
Monday afternoonUp to 73°23° by 3 PM · Clear
| Hour | Conditions | Temperature | Feels like | Precipitation | Wind | Humidity | Cloud cover | UV index |
|---|---|---|---|---|---|---|---|---|
| Sat 5p | Mostly sunny | 71°22° (likely 70°21° to 71°22°) | 71°22° | 0% | 22 mph35 km/h from NE, gusts 26 mph43 km/h | 66% | 66% | 0 |
| Sat 6p | Cloudy | 70°21° (likely 69°21° to 70°21°) | 70°21° | 0% | 22 mph35 km/h from NE, gusts 28 mph45 km/h | 68% | 60% | 0 |
| Sat 7p | Cloudy | 67°19° (likely 67°19° to 69°21°) | 67°19° | 0% | 21 mph34 km/h from NE, gusts 29 mph46 km/h | 75% | 57% | 0 |
| Sat 8p | Partly cloudy | 64°18° (likely 64°18° to 68°20°) | 64°18° | 0% | 18 mph29 km/h from NE, gusts 30 mph48 km/h | 84% | 44% | 0 |
| Sat 9p | Partly cloudy | 62°17° (likely 62°17° to 67°19°) | 62°17° | 0% | 17 mph27 km/h from NE, gusts 28 mph46 km/h | 90% | 20% | 0 |
| Sat 10p | Clear | 61°16° (likely 61°16° to 67°19°) | 61°16° | 0% | 17 mph27 km/h from NE, gusts 28 mph45 km/h | 90% | 3% | 0 |
| Sat 11p | Clear | 60°16° (likely 60°16° to 66°19°) | 60°16° | 0% | 16 mph26 km/h from NE, gusts 27 mph43 km/h | 93% | 0% | 0 |
| Sun 12a | Clear | 59°15° (likely 59°15° to 64°18°) | 59°15° | 0% | 16 mph26 km/h from NE, gusts 27 mph44 km/h | 93% | 7% | 0 |
| Sun 1a | Clear | 59°15° (likely 59°15° to 63°17°) | 59°15° | 0% | 15 mph24 km/h from NE, gusts 27 mph43 km/h | 93% | 5% | 0 |
| Sun 2a | Mostly clear | 58°14° (likely 58°14° to 63°17°) | 58°14° | 0% | 14 mph23 km/h from N, gusts 27 mph44 km/h | 93% | 12% | 0 |
| Sun 3a | Clear | 57°14° (likely 57°14° to 62°17°) | 57°14° | 0% | 14 mph23 km/h from N, gusts 27 mph44 km/h | 96% | 17% | 0 |
| Sun 4a | Partly cloudy | 56°13° (likely 56°13° to 62°17°) | 56°13° | 0% | 15 mph24 km/h from N, gusts 29 mph46 km/h | 100% | 49% | 0 |
| Sun 5a | Partly cloudy | 56°13° (likely 56°13° to 61°16°) | 56°13° | 0% | 15 mph24 km/h from N, gusts 28 mph45 km/h | 100% | 31% | 0 |
| Sun 6a | Clear | 56°13° (likely 56°13° to 61°16°) | 56°13° | 0% | 15 mph24 km/h from N, gusts 27 mph44 km/h | 100% | 13% | 0 |
| Sun 7a | Clear | 56°13° (likely 56°13° to 61°16°) | 56°13° | 0% | 15 mph24 km/h from N, gusts 28 mph46 km/h | 100% | 12% | 0 |
| Sun 8a | Sunny | 56°13° (likely 56°13° to 61°16°) | 56°13° | 0% | 15 mph24 km/h from N, gusts 27 mph44 km/h | 100% | 10% | 0 |
| Sun 9a | Partly sunny | 59°15° (likely 58°14° to 62°17°) | 59°15° | 0% | 16 mph26 km/h from N, gusts 27 mph44 km/h | 93% | 25% | 1 |
| Sun 10a | Partly sunny | 64°18° (likely 61°16° to 65°18°) | 64°18° | 0% | 17 mph27 km/h from NE, gusts 29 mph47 km/h | 81% | 28% | 2 |
| Sun 11a | Sunny | 68°20° (likely 64°18° to 69°21°) | 68°20° | 0% | 18 mph29 km/h from NE, gusts 29 mph47 km/h | 73% | 16% | 3 |
| Sun 12p | Partly sunny | 70°21° (likely 68°20° to 72°22°) | 70°21° | 0% | 20 mph32 km/h from NE, gusts 28 mph46 km/h | 68% | 24% | 5 |
| Sun 1p | Mostly sunny | 71°22° (likely 69°21° to 74°23°) | 71°22° | 5% | 22 mph35 km/h from NE, gusts 31 mph49 km/h | 68% | 39% | 4 |
| Sun 2p | Mostly sunny | 72°22° (likely 70°21° to 75°24°) | 72°22° | 5% | 24 mph39 km/h from NE, gusts 32 mph52 km/h | 66% | 52% | 5 |
| Sun 3p | Partly sunny | 72°22° (likely 70°21° to 73°23°) | 72°22° | 0% | 25 mph40 km/h from NE, gusts 33 mph53 km/h | 66% | 76% | 4 |
| Sun 4p | Partly sunny | 72°22° (likely 71°22° to 73°23°) | 72°22° | 0% | 25 mph40 km/h from NE, gusts 34 mph55 km/h | 66% | 41% | 4 |
| Sun 5p | Mostly sunny | 71°22° (likely 70°21° to 71°22°) | 71°22° | 0% | 24 mph39 km/h from NE, gusts 34 mph55 km/h | 66% | 37% | 2 |
| Sun 6p | Mostly sunny | 70°21° (likely 69°21° to 70°21°) | 70°21° | 0% | 24 mph39 km/h from NE, gusts 32 mph52 km/h | 71% | 30% | 1 |
| Sun 7p | Partly cloudy | 67°19° (likely 67°19° to 68°20°) | 67°19° | 0% | 22 mph35 km/h from NE, gusts 31 mph50 km/h | 78% | 39% | 0 |
| Sun 8p | Clear | 64°18° (likely 64°18° to 67°19°) | 64°18° | 0% | 20 mph32 km/h from NE, gusts 30 mph49 km/h | 90% | 14% | 0 |
| Sun 9p | Clear | 62°17° (likely 62°17° to 67°19°) | 62°17° | 0% | 18 mph29 km/h from NE, gusts 30 mph49 km/h | 93% | 10% | 0 |
| Sun 10p | Clear | 61°16° (likely 61°16° to 66°19°) | 61°16° | 0% | 17 mph27 km/h from NE, gusts 29 mph46 km/h | 97% | 9% | 0 |
| Sun 11p | Clear | 60°16° (likely 60°16° to 65°18°) | 60°16° | 0% | 16 mph26 km/h from NE, gusts 28 mph44 km/h | 96% | 3% | 0 |
| Mon 12a | Clear | 60°16° (likely 60°16° to 65°18°) | 60°16° | 0% | 15 mph24 km/h from NE, gusts 27 mph44 km/h | 93% | 4% | 0 |
| Mon 1a | Clear | 59°15° (likely 59°15° to 64°18°) | 59°15° | 0% | 14 mph23 km/h from NE, gusts 27 mph43 km/h | 93% | 5% | 0 |
| Mon 2a | Clear | 58°14° (likely 58°14° to 63°17°) | 58°14° | 0% | 13 mph21 km/h from NE, gusts 25 mph40 km/h | 96% | 7% | 0 |
| Mon 3a | Clear | 57°14° (likely 57°14° to 62°17°) | 57°14° | 0% | 13 mph21 km/h from NE, gusts 25 mph40 km/h | 93% | 5% | 0 |
| Mon 4a | Clear | 56°13° (likely 56°13° to 61°16°) | 56°13° | 0% | 13 mph21 km/h from N, gusts 24 mph39 km/h | 96% | 2% | 0 |
| Mon 5a | Clear | 55°13° (likely 55°13° to 60°16°) | 55°13° | 0% | 13 mph21 km/h from N, gusts 24 mph39 km/h | 96% | 6% | 0 |
| Mon 6a | Clear | 54°12° (likely 54°12° to 59°15°) | 54°12° | 0% | 13 mph21 km/h from N, gusts 24 mph39 km/h | 100% | 10% | 0 |
| Mon 7a | Clear | 54°12° (likely 54°12° to 58°14°) | 54°12° | 0% | 13 mph21 km/h from N, gusts 23 mph37 km/h | 100% | 12% | 0 |
| Mon 8a | Sunny | 54°12° (likely 54°12° to 58°14°) | 54°12° | 0% | 13 mph21 km/h from N, gusts 24 mph39 km/h | 96% | 13% | 0 |
| Mon 9a | Sunny | 57°14° (likely 57°14° to 60°16°) | 57°14° | 0% | 13 mph21 km/h from N, gusts 25 mph40 km/h | 90% | 14% | 1 |
| Mon 10a | Sunny | 62°17° (likely 60°16° to 63°17°) | 62°17° | 0% | 13 mph21 km/h from NE, gusts 26 mph41 km/h | 78% | 8% | 2 |
| Mon 11a | Sunny | 66°19° (likely 63°17° to 66°19°) | 66°19° | 0% | 14 mph23 km/h from NE, gusts 24 mph39 km/h | 70% | 2% | 3 |
| Mon 12p | Sunny | 69°21° (likely 67°19° to 69°21°) | 69°21° | 0% | 15 mph24 km/h from NE, gusts 22 mph36 km/h | 66% | 2% | 5 |
| Mon 1p | Sunny | 71°22° (likely 69°21° to 72°22°) | 71°22° | 0% | 15 mph24 km/h from NE, gusts 20 mph33 km/h | 63% | 1% | 5 |
| Mon 2p | Sunny | 72°22° (likely 71°22° to 73°23°) | 72°22° | 0% | 15 mph24 km/h from NE, gusts 19 mph30 km/h | 61% | 1% | 5 |
| Mon 3p | Sunny | 73°23° (likely 72°22° to 74°23°) | 73°23° | 0% | 15 mph24 km/h from NE, gusts 17 mph28 km/h | 59% | 0% | 5 |
| Mon 4p | Sunny | 73°23° (likely 72°22° to 73°23°) | 73°23° | 0% | 14 mph23 km/h from NE, gusts 16 mph26 km/h | 59% | 0% | 4 |
Days ahead
Shaded: typical range for these dates (1991–2020)
Today, Oct 24. Cloudy. High 73°23°, low 56°13°. Typical 73°23° / 60°16°. Dry. Forecasts agree.
Evening
6 PM–midnight
Partly cloudy, 64°18°Dry
Overnight
midnight–6 AM
Clear, 56°13°Dry
Official NWS forecast
Today: Mostly sunny, with a high near 73. Northeast wind around 22 mph, with gusts as high as 30 mph.
Tonight: Partly cloudy, with a low around 56. Northeast wind 14 to 22 mph, with gusts as high as 30 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
- High, likely
- 71°22°–73°23°
- Low, likely
- 55°13°–56°13°
- Typical high / low
- 73°23° / 60°16°
- Wind
- 17 mph28 km/h, gusts 34 mph55 km/h
- UV peak
- 5
Tomorrow, Oct 25. Cloudy. High 72°22°, low 54°12°. Typical 73°23° / 60°16°. Dry. Mostly agree.
Morning
6 AM–noon
Partly sunny, 56°13°Dry
Afternoon
noon–6 PM
Partly sunny, 72°22°Dry
Evening
6 PM–midnight
Clear, 64°18°Dry
Overnight
midnight–6 AM
Clear, 55°13°Dry
Official NWS forecast
Day: Mostly sunny, with a high near 72. Northeast wind 15 to 25 mph, with gusts as high as 35 mph.
Night: Partly cloudy, with a low around 54. Northeast wind 13 to 24 mph, with gusts as high as 32 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
- High, likely
- 71°22°–75°24°
- Low, likely
- 54°12°–60°16°
- Typical high / low
- 73°23° / 60°16°
- Wind
- 23 mph37 km/h, gusts 36 mph58 km/h
- UV peak
- 5
Monday, Oct 26. Mostly sunny. High 73°23°, low 52°11°. Typical 73°23° / 60°16°. Dry. Forecasts agree.
Morning
6 AM–noon
Sunny, 54°12°Dry
Afternoon
noon–6 PM
Sunny, 73°23°Dry
Evening
6 PM–midnight
Clear, 65°18°Dry
Overnight
midnight–6 AM
Clear, 56°13°Dry
Official NWS forecast
Day: Sunny, with a high near 73. Northeast wind around 15 mph, with gusts as high as 24 mph.
Night: Mostly clear, with a low around 52.
Forecasts agreeIndependent forecasts are close; the range is narrow.
- High, likely
- 72°22°–74°23°
- Low, likely
- 52°11°–58°14°
- Typical high / low
- 73°23° / 60°16°
- Wind
- 15 mph24 km/h, gusts 30 mph49 km/h
- UV peak
- 5
Tuesday, Oct 27. Sunny. High 73°23°, low 57°14°. Typical 72°22° / 59°15°. Dry. Mostly agree.
Morning
6 AM–noon
Sunny, 55°13°Dry
Afternoon
noon–6 PM
Sunny, 73°23°Dry
Evening
6 PM–midnight
Clear, 64°18°Dry
Overnight
midnight–6 AM
Clear, 57°14°Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 73.
Night: Mostly clear, with a low around 57.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
- High, likely
- 72°22°–75°24°
- Low, likely
- 53°12°–57°14°
- Typical high / low
- 72°22° / 59°15°
- Wind
- 11 mph18 km/h, gusts 22 mph35 km/h
- UV peak
- 5
Wednesday, Oct 28. Partly sunny. High 73°23°, low 61°16°. Typical 72°22° / 59°15°. Dry. Mostly agree.
Morning
6 AM–noon
Sunny, 57°14°Dry
Afternoon
noon–6 PM
Sunny, 74°24°Dry
Evening
6 PM–midnight
Clear, 68°20°Dry
Overnight
midnight–6 AM
Cloudy, 63°17°Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 73.
Night: Partly cloudy, with a low around 61.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
- High, likely
- 72°22°–76°24°
- Low, likely
- 55°13°–61°16°
- Typical high / low
- 72°22° / 59°15°
- Wind
- 15 mph23 km/h, gusts 26 mph41 km/h
- UV peak
- 5
Thursday, Oct 29. Partly sunny. High 74°23°, low 59°15°. Typical 72°22° / 58°14°. Dry. Mostly agree.
Morning
6 AM–noon
Partly sunny, 62°17°Dry
Afternoon
noon–6 PM
Drizzle, 74°23°Dry
Evening
6 PM–midnight
Clear, 68°20°Dry
Overnight
midnight–6 AM
Clear, 64°18°Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 74.
Night: Partly cloudy, with a low around 59.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
- High, likely
- 72°22°–75°24°
- Low, likely
- 58°14°–65°18°
- Typical high / low
- 72°22° / 58°14°
- Wind
- 14 mph22 km/h, gusts 25 mph40 km/h
- UV peak
- 5
Friday, Oct 30. Mostly sunny. High 74°23°, low 62°17°. Typical 72°22° / 58°14°. Dry. Mostly agree.
Morning
6 AM–noon
Sunny, 63°17°Dry
Afternoon
noon–6 PM
Sunny, 76°25°Dry
Evening
6 PM–midnight
Clear, 69°21°Dry
Overnight
midnight–6 AM
Cloudy, 65°18°Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 74.
Night: Mostly clear, with a low around 62.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
- High, likely
- 74°23°–77°25°
- Low, likely
- 59°15°–65°18°
- Typical high / low
- 72°22° / 58°14°
- Wind
- 13 mph21 km/h, gusts 29 mph47 km/h
- UV peak
- 5
Saturday, Oct 31. Drizzle. High 77°25°, low 64°18°. Typical 71°22° / 58°14°. Rain 0.03 in0.8 mm, 10% chance. Mostly agree.
Morning
6 AM–noon
Mostly sunny, 65°18°Dry
Afternoon
noon–6 PM
Partly sunny, 77°25°Dry
Evening
6 PM–midnight
Mostly clear, 71°21°Dry
Overnight
midnight–6 AM
Mostly clear, 68°20°Dry
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
- High, likely
- 74°23°–80°27°
- Low, likely
- 58°14°–69°21°
- Typical high / low
- 71°22° / 58°14°
- Wind
- 14 mph22 km/h, gusts 28 mph45 km/h
- UV peak
- 5
Sunday, Nov 1. Cloudy. High 77°25°, low 68°20°. Typical 71°22° / 57°14°. Dry. Mostly agree.
Morning
6 AM–noon
Cloudy, 69°20°Dry
Afternoon
noon–6 PM
Cloudy, 78°26°Dry
Evening
6 PM–midnight
Partly cloudy, 72°22°Dry
Overnight
midnight–6 AM
Clear, 67°19°Dry
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
- High, likely
- 74°23°–80°27°
- Low, likely
- 65°18°–71°22°
- Typical high / low
- 71°22° / 57°14°
- Wind
- 15 mph24 km/h, gusts 24 mph38 km/h
- UV peak
- 3
Monday, Nov 2. Cloudy. High 76°24°, low 66°19°. Typical 71°22° / 57°14°. Dry. Mostly agree.
Morning
6 AM–noon
Drizzle, 69°20°Dry
Afternoon
noon–6 PM
Partly sunny, 77°25°Dry
Evening
6 PM–midnight
Mostly clear, 71°22°Dry
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
- High, likely
- 74°23°–79°26°
- Low, likely
- 62°17°–69°21°
- Typical high / low
- 71°22° / 57°14°
- Wind
- 15 mph23 km/h, gusts 22 mph35 km/h
- UV peak
- 5
The outlook
Today
Dry, high 73°, low 56°.
Tomorrow
Dry, high 72°, low 54°.
Monday
Dry, high 73°, low 52°.
Rest of week
Mostly dry, highs 73–77°.
Want the meteorologists’ reasoning? Read the NWS forecast discussion (CHS) (opens in a new tab)
What changed since yesterday
No meaningful changes from yesterday’s forecast.
Radar
Radar data: NOAA MRMS, rendered by forecast.blue
Radar loads when scrolled into view
Rivers
NOAA river gauges within 25 mi
Below flood stage
Shem Creek near Mount Pleasant
3.1 mi- Level
- 2.4 ft
Reading from Sat 4:40 PM · NWS gauge page
Cooper River at HW-17 (IN MLLW)
5.1 mi- Level
- 4.6 ft
Reading from Sat 4:15 PM · NWS gauge page
Wando River above Mount Pleasant (IN MLLW)
7.2 mi- Level
- 4.2 ft
Reading from Sat 4:15 PM · NWS gauge page
For your home
What this week’s weather means for heating, cooling, pipes and fresh air.
Heating this week
This week 8Typical 0
Heating degree days, base 65°F
Comfort
Comfortable, non-humid air (dew point 59°F).
Open the windows?
Today, 6:00 PM–11:00 PM
Good stretch to open the windows.
Is this typical?
Downtown Charleston · official normals 1991–2020 · records 1893–2026
Oct 24, today vs a typical year
Today’s expected high is about typical for the date.
- Normal high / low
- 73°23° / 60°16°
- Forecast high / low
- 73°23° / 56°13°
- Record high
- 85°29° in 1919
- Record low
- 38°3° in 1937
Last 7 days vs normal
On average 5°3° colder than normal (daily mean temperature).
- −9°−5°SunOct 18
- −8°−4°MonOct 19
- −4°−2°TueOct 20
- −3°−2°WedOct 21
- −4°−2°ThuOct 22
- −4°−2°FriOct 23
- —SatOct 24
Sullivan's Island weather by month: normals, records, snow and freeze dates
Sun & moon
Sun
Sunrise 7:30 AM, sunset 6:36 PM.
- Daylight
- 11 h 6 min
- Losing 1 min 57 s a day; shortest Dec 21, 1 h 6 min less
- Golden hour
- 6:02–6:51 PM
- Morning 7:15–8:04 AM
- Blue hour
- 6:51–7:01 PM
- Morning 7:05–7:15 AM; first light 7:05 AM
Stars tonight? Fair
Mostly clear 9 PM–4 AM, but the moon is 99% lit and up.
Moon
Waxing gibbous
98% lit · growing
- Today
- sets 5:46 AM · rises 5:31 PM
- Full moon
- Oct 26
- New moon
- Nov 9
