St. Johns River at Buffalo Bluff (in MHHW)
25 mi- Level
- 1.7 ft
- Flow
- 1,560 cfs
Reading from Sat 1:15 PM · NWS gauge page
Observed 2:15 PM EDT at K42J
Keystone Heights, FL weather
Overcast and 75°24°, rain ~9–10 PM (49%).
Today: low 64°18° (likely 56°13° to 64°18°), high 76°24° (likely 72°22° to 76°24°).
Now 75°24°
Cloudy
- Wind
- 15 mph24 km/hgusts 33 mph54 km/h
- From the north-northeast. 1423–22 mph35 km/h through 3 AM
- Dew point
- 63°17°
- Sticky
- UV index
- 3Moderate
- Moderate until 4 PM · peak 5
- Pressure
- 30.18 inHg1022 hPa
- Falling slowly · −0.04 inHg−1.4 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 (77°25° then, 75°24° now)
Good hours for
This afternoonNear 75°24° · Rain all afternoon (30%) · gusts to 31 mph50 km/h
TonightDown to 65°18° by 10 PM · Rain 6 PM–3 AM (50%) · gusts to 32 mph51 km/h
Tomorrow morningUp to 74°23° by 11 AM · rain chance 10% · gusts to 32 mph51 km/h · Partly cloudy
Tomorrow afternoonNear 75°24° · rain chance 10% · gusts to 32 mph51 km/h · Partly cloudy
Tomorrow nightDown to 66°19° by 11 PM · rain chance 40% · gusts to 34 mph55 km/h · Mostly cloudy
Monday morningUp to 74°23° by 11 AM · rain chance 10% · gusts to 27 mph43 km/h · Partly cloudy
Monday afternoonNear 76°24° · rain chance 20% · gusts to 27 mph43 km/h · Mostly cloudy
| Hour | Conditions | Temperature | Feels like | Precipitation | Wind | Humidity | Cloud cover | UV index |
|---|---|---|---|---|---|---|---|---|
| Sat 3p | Showers | 76°24° (likely 71°22° to 76°24°) | 76°24° | 30%, 0.02 in0.5 mm | 21 mph34 km/h from NE, gusts 31 mph50 km/h | 64% | 54% | 3 |
| Sat 4p | Showers | 74°23° (likely 71°22° to 74°23°) | 74°23° | 30%, 0.02 in0.5 mm | 22 mph35 km/h from NE, gusts 30 mph48 km/h | 69% | 76% | 2 |
| Sat 5p | Partly sunny | 73°23° (likely 70°21° to 73°23°) | 73°23° | 30%, 0.02 in0.5 mm | 22 mph35 km/h from NE, gusts 31 mph49 km/h | 71% | 67% | 1 |
| Sat 6p | Showers | 72°22° (likely 69°21° to 72°22°) | 72°22° | 30%, 0.02 in0.5 mm | 21 mph34 km/h from NE, gusts 32 mph52 km/h | 73% | 53% | 0 |
| Sat 7p | Showers | 69°21° (likely 67°19° to 69°21°) | 69°21° | 30%, 0.02 in0.5 mm | 20 mph32 km/h from N, gusts 30 mph48 km/h | 84% | 49% | 0 |
| Sat 8p | Cloudy | 67°19° (likely 67°19° to 68°20°) | 67°19° | 40%, 0.07 in1.8 mm | 18 mph29 km/h from N, gusts 29 mph47 km/h | 93% | 92% | 0 |
| Sat 9p | Drizzle | 66°19° (likely 65°18° to 68°20°) | 66°19° | 50%, 0.07 in1.8 mm | 18 mph29 km/h from N, gusts 24 mph39 km/h | 97% | 88% | 0 |
| Sat 10p | Showers | 65°18° (likely 65°18° to 68°20°) | 65°18° | 40%, 0.07 in1.8 mm | 17 mph27 km/h from N, gusts 25 mph40 km/h | 100% | 87% | 0 |
| Sat 11p | Showers | 65°18° (likely 65°18° to 68°20°) | 65°18° | 30%, 0.07 in1.8 mm | 17 mph27 km/h from N, gusts 27 mph44 km/h | 100% | 79% | 0 |
| Sun 12a | Showers | 65°18° (likely 65°18° to 68°20°) | 65°18° | 30%, 0.07 in1.8 mm | 17 mph27 km/h from NE, gusts 23 mph38 km/h | 100% | 68% | 0 |
| Sun 1a | Showers | 65°18° (likely 65°18° to 68°20°) | 65°18° | 30%, 0.07 in1.8 mm | 16 mph26 km/h from NE, gusts 20 mph33 km/h | 97% | 28% | 0 |
| Sun 2a | Mostly clear | 65°18° (likely 65°18° to 68°20°) | 65°18° | 20%, 0.02 in0.5 mm | 15 mph24 km/h from NE, gusts 19 mph31 km/h | 97% | 35% | 0 |
| Sun 3a | Clear | 65°18° (likely 65°18° to 68°20°) | 65°18° | 20%, 0.02 in0.5 mm | 14 mph23 km/h from NE, gusts 19 mph30 km/h | 97% | 26% | 0 |
| Sun 4a | Clear | 65°18° (likely 64°18° to 68°20°) | 65°18° | 20%, 0.02 in0.5 mm | 14 mph23 km/h from N, gusts 17 mph28 km/h | 97% | 15% | 0 |
| Sun 5a | Clear | 65°18° (likely 64°18° to 68°20°) | 65°18° | 10%, 0.02 in0.5 mm | 15 mph24 km/h from N, gusts 19 mph30 km/h | 93% | 20% | 0 |
| Sun 6a | Clear | 65°18° (likely 64°18° to 68°20°) | 65°18° | 10%, 0.02 in0.5 mm | 15 mph24 km/h from N, gusts 19 mph31 km/h | 93% | 18% | 0 |
| Sun 7a | Mostly cloudy | 65°18° (likely 64°18° to 67°19°) | 65°18° | 5%, 0.02 in0.5 mm | 15 mph24 km/h from N, gusts 22 mph36 km/h | 93% | 31% | 0 |
| Sun 8a | Sunny | 64°18° (likely 64°18° to 67°19°) | 64°18° | 10% | 16 mph26 km/h from N, gusts 22 mph36 km/h | 97% | 26% | 0 |
| Sun 9a | Mostly sunny | 67°19° (likely 65°18° to 68°20°) | 67°19° | 10% | 21 mph34 km/h from N, gusts 29 mph46 km/h | 97% | 38% | 1 |
| Sun 10a | Mostly sunny | 71°22° (likely 67°19° to 71°22°) | 71°22° | 0% | 21 mph34 km/h from N, gusts 32 mph51 km/h | 90% | 44% | 2 |
| Sun 11a | Mostly sunny | 74°23° (likely 69°21° to 74°23°) | 74°23° | 5% | 22 mph35 km/h from N, gusts 31 mph50 km/h | 82% | 47% | 4 |
| Sun 12p | Sunny | 76°24° (likely 71°22° to 76°24°) | 76°24° | 5% | 23 mph37 km/h from N, gusts 30 mph47 km/h | 79% | 36% | 5 |
| Sun 1p | Mostly sunny | 77°25° (likely 71°22° to 77°25°) | 77°25° | 5% | 22 mph35 km/h from N, gusts 29 mph47 km/h | 76% | 49% | 4 |
| Sun 2p | Mostly sunny | 77°25° (likely 71°22° to 77°25°) | 77°25° | 0% | 22 mph35 km/h from N, gusts 29 mph47 km/h | 74% | 78% | 4 |
| Sun 3p | Mostly sunny | 77°25° (likely 71°22° to 77°25°) | 77°25° | 0% | 23 mph37 km/h from NE, gusts 30 mph48 km/h | 74% | 47% | 4 |
| Sun 4p | Partly sunny | 75°24° (likely 71°22° to 75°24°) | 75°24° | 5% | 23 mph37 km/h from N, gusts 31 mph50 km/h | 79% | 37% | 4 |
| Sun 5p | Partly sunny | 74°23° (likely 70°21° to 74°23°) | 74°23° | 10% | 23 mph37 km/h from NE, gusts 32 mph51 km/h | 79% | 51% | 2 |
| Sun 6p | Cloudy | 73°23° (likely 69°21° to 73°23°) | 73°23° | 10% | 23 mph37 km/h from N, gusts 34 mph55 km/h | 81% | 78% | 1 |
| Sun 7p | Showers | 71°22° (likely 68°20° to 71°22°) | 71°22° | 20% | 21 mph34 km/h from N, gusts 32 mph52 km/h | 87% | 38% | 0 |
| Sun 8p | Cloudy | 69°21° (likely 67°19° to 69°21°) | 69°21° | 20% | 18 mph29 km/h from N, gusts 30 mph48 km/h | 93% | 74% | 0 |
| Sun 9p | Mostly cloudy | 67°19° (likely 67°19° to 68°20°) | 67°19° | 10% | 18 mph29 km/h from N, gusts 29 mph46 km/h | 100% | 54% | 0 |
| Sun 10p | Cloudy | 67°19° (likely 67°19° to 68°20°) | 67°19° | 30% | 18 mph29 km/h from NE, gusts 28 mph45 km/h | 100% | 83% | 0 |
| Sun 11p | Cloudy | 66°19° (likely 66°19° to 68°20°) | 66°19° | 40% | 17 mph27 km/h from NE, gusts 27 mph43 km/h | 100% | 71% | 0 |
| Mon 12a | Showers | 66°19° (likely 66°19° to 68°20°) | 66°19° | 40% | 17 mph27 km/h from NE, gusts 24 mph38 km/h | 100% | 67% | 0 |
| Mon 1a | Partly cloudy | 66°19° (likely 66°19° to 69°21°) | 66°19° | 40% | 16 mph26 km/h from NE, gusts 25 mph40 km/h | 100% | 69% | 0 |
| Mon 2a | Cloudy | 66°19° (likely 66°19° to 69°21°) | 66°19° | 20% | 15 mph24 km/h from NE, gusts 23 mph37 km/h | 100% | 72% | 0 |
| Mon 3a | Mostly cloudy | 66°19° (likely 66°19° to 69°21°) | 66°19° | 10% | 15 mph24 km/h from NE, gusts 24 mph39 km/h | 100% | 59% | 0 |
| Mon 4a | Partly cloudy | 66°19° (likely 66°19° to 69°21°) | 66°19° | 20% | 15 mph24 km/h from NE, gusts 23 mph37 km/h | 100% | 61% | 0 |
| Mon 5a | Clear | 66°19° (likely 66°19° to 69°21°) | 66°19° | 5% | 16 mph26 km/h from N, gusts 22 mph35 km/h | 100% | 24% | 0 |
| Mon 6a | Clear | 66°19° (likely 66°19° to 68°20°) | 66°19° | 5% | 16 mph26 km/h from N, gusts 20 mph32 km/h | 100% | 25% | 0 |
| Mon 7a | Mostly cloudy | 66°19° (likely 66°19° to 67°19°) | 66°19° | 10% | 17 mph27 km/h from N, gusts 21 mph33 km/h | 97% | 46% | 0 |
| Mon 8a | Mostly sunny | 66°19° (likely 66°19° to 67°19°) | 66°19° | 10% | 18 mph29 km/h from N, gusts 21 mph34 km/h | 97% | 33% | 0 |
| Mon 9a | Mostly sunny | 68°20° (likely 66°19° to 69°21°) | 68°20° | 10% | 20 mph32 km/h from N, gusts 23 mph36 km/h | 97% | 41% | 1 |
| Mon 10a | Partly sunny | 71°22° (likely 67°19° to 72°22°) | 71°22° | 10% | 20 mph32 km/h from NE, gusts 24 mph39 km/h | 93% | 73% | 2 |
| Mon 11a | Cloudy | 74°23° (likely 69°21° to 74°23°) | 74°23° | 10% | 20 mph32 km/h from NE, gusts 27 mph43 km/h | 87% | 75% | 3 |
| Mon 12p | Partly sunny | 76°24° (likely 70°21° to 76°24°) | 76°24° | 10% | 20 mph32 km/h from NE, gusts 26 mph41 km/h | 82% | 82% | 4 |
| Mon 1p | Partly sunny | 76°24° (likely 72°22° to 76°24°) | 76°24° | 10% | 20 mph32 km/h from NE, gusts 27 mph44 km/h | 82% | 59% | 4 |
| Mon 2p | Showers | 76°24° (likely 72°22° to 76°24°) | 76°24° | 20% | 20 mph32 km/h from NE, gusts 26 mph41 km/h | 79% | 77% | 3 |
Days ahead
Tap a day for its hours and the official wording.
Today, Oct 24. Drizzle. High 76°24°, low 64°18°. Rain 0.03 in0.8 mm, 30% chance. Mostly agree.
Afternoon
noon–6 PM
Showers, 76°24°30% chance · 0.06 in1.5 mm
Evening
6 PM–midnight
Showers, 67°19°50% chance · 0.32 in8.1 mm
Overnight
midnight–6 AM
Showers, 65°18°30% chance · 0.22 in5.6 mm
Official NWS forecast
Today: A chance of rain showers. Mostly cloudy. High near 76, with temperatures falling to around 73 in the afternoon. Northeast wind around 22 mph, with gusts as high as 33 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
Tonight: A chance of rain showers before 5am. Mostly cloudy. Low around 64, with temperatures rising to around 65 overnight. Northeast wind 14 to 21 mph, with gusts as high as 31 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
- High, likely
- 72°22°–76°24°
- Low, likely
- 56°13°–64°18°
- Wind
- 21 mph34 km/h, gusts 36 mph57 km/h
- UV peak
- 5
Tomorrow, Oct 25. Mostly sunny. High 77°25°, low 66°19°. Dry. Mostly agree.
Morning
6 AM–noon
Mostly sunny, 64°18°Dry
Afternoon
noon–6 PM
Mostly sunny, 77°25°Dry
Evening
6 PM–midnight
Mostly cloudy, 69°21°40% chance
Overnight
midnight–6 AM
Showers, 66°19°40% chance
Official NWS forecast
Day: Mostly sunny. High near 77, with temperatures falling to around 74 in the afternoon. Northeast wind 15 to 23 mph, with gusts as high as 35 mph. New rainfall amounts less than a tenth of an inch possible.
Night: A chance of rain showers between 7pm and 5am. Mostly cloudy, with a low around 66. Northeast wind 15 to 23 mph, with gusts as high as 33 mph. Chance of precipitation is 40%.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
- High, likely
- 71°22°–77°25°
- Low, likely
- 64°18°–66°19°
- Wind
- 22 mph36 km/h, gusts 37 mph59 km/h
- UV peak
- 5
Monday, Oct 26. Partly sunny. High 78°26°, low 62°17°. Dry. Forecasts agree.
Morning
6 AM–noon
Mostly sunny, 66°19°Dry
Afternoon
noon–6 PM
Cloudy, 76°24°Dry
Evening
6 PM–midnight
Clear, 67°20°Dry
Overnight
midnight–6 AM
Clear, 66°19°Dry
Official NWS forecast
Day: A slight chance of rain showers after 2pm. Mostly sunny. High near 78, with temperatures falling to around 75 in the afternoon. Northeast wind 16 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.
Night: A slight chance of rain showers before 8pm. Partly cloudy, with a low around 62. Chance of precipitation is 20%.
Forecasts agreeIndependent forecasts are close; the range is narrow.
- High, likely
- 72°22°–78°26°
- Low, likely
- 62°17°–67°19°
- Wind
- 18 mph28 km/h, gusts 33 mph53 km/h
- UV peak
- 4
Tuesday, Oct 27. Mostly sunny. High 80°27°, low 63°17°. Dry. Mostly agree.
Morning
6 AM–noon
Sunny, 65°18°Dry
Afternoon
noon–6 PM
Sunny, 79°26°Dry
Evening
6 PM–midnight
Mostly 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: Sunny, with a high near 80.
Night: Mostly clear, with a low around 63.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
- High, likely
- 77°25°–80°27°
- Low, likely
- 62°17°–66°19°
- Wind
- 16 mph25 km/h, gusts 32 mph52 km/h
- UV peak
- 6
Wednesday, Oct 28. Partly sunny. High 80°27°, low 65°18°. Dry. Forecasts agree.
Morning
6 AM–noon
Cloudy, 65°18°Dry
Afternoon
noon–6 PM
Cloudy, 77°25°Dry
Evening
6 PM–midnight
Cloudy, 70°21°Dry
Overnight
midnight–6 AM
Cloudy, 69°21°Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 80.
Night: Partly cloudy, with a low around 65.
Forecasts agreeIndependent forecasts are close; the range is narrow.
- High, likely
- 76°24°–80°27°
- Low, likely
- 60°16°–66°19°
- Wind
- 16 mph26 km/h, gusts 31 mph49 km/h
- UV peak
- 5
Thursday, Oct 29. Showers. High 80°27°, low 65°18°. Rain 0.03 in0.8 mm, 20% chance. Mostly agree.
Morning
6 AM–noon
Sunny, 68°20°Dry
Afternoon
noon–6 PM
Sunny, 78°26°30% chance · 0.01 in0.3 mm
Evening
6 PM–midnight
Partly cloudy, 71°22°20% chance
Overnight
midnight–6 AM
Cloudy, 68°20°Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: A slight chance of rain showers after 8am. Mostly sunny, with a high near 80. Chance of precipitation is 20%.
Night: A slight chance of rain showers before 8pm. Partly cloudy, with a low around 65. Chance of precipitation is 20%.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
- High, likely
- 77°25°–80°27°
- Low, likely
- 65°18°–70°21°
- Wind
- 14 mph23 km/h, gusts 28 mph44 km/h
- UV peak
- 6
Friday, Oct 30. Cloudy. High 81°27°, low 64°18°. Dry. Mostly agree.
Morning
6 AM–noon
Sunny, 68°20°Dry
Afternoon
noon–6 PM
Partly sunny, 81°27°20% chance
Evening
6 PM–midnight
Partly cloudy, 71°22°Dry
Overnight
midnight–6 AM
Cloudy, 68°20°Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: A slight chance of rain showers after 8am. Mostly sunny, with a high near 81. Chance of precipitation is 20%.
Night: A slight chance of rain showers before 8pm. Partly cloudy, with a low around 64.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
- High, likely
- 78°26°–82°28°
- Low, likely
- 62°17°–71°22°
- Wind
- 13 mph21 km/h, gusts 28 mph46 km/h
- UV peak
- 6
Saturday, Oct 31. Sunny. High 80°27°, low 67°19°. Dry. Mostly agree.
Morning
6 AM–noon
Sunny, 68°20°Dry
Afternoon
noon–6 PM
Sunny, 80°27°Dry
Evening
6 PM–midnight
Clear, 72°22°Dry
Overnight
midnight–6 AM
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
- 77°25°–83°28°
- Low, likely
- 56°13°–71°22°
- Wind
- 13 mph21 km/h, gusts 28 mph46 km/h
- UV peak
- 6
Sunday, Nov 1. Drizzle. High 81°27°, low 67°19°. Rain 0.07 in1.8 mm, 20% chance. Forecasts differ.
Morning
6 AM–noon
Sunny, 67°20°Dry
Afternoon
noon–6 PM
Sunny, 81°27°Dry
Evening
6 PM–midnight
Partly cloudy, 75°24°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.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
- High, likely
- 77°25°–85°29°
- Low, likely
- 58°14°–72°22°
- Wind
- 9 mph15 km/h, gusts 25 mph40 km/h
- UV peak
- 6
Monday, Nov 2. Drizzle. High 83°28°, low 66°19°. Rain 0.02 in0.5 mm, 10% chance. Forecasts agree.
Morning
6 AM–noon
Sunny, 70°21°Dry
Afternoon
noon–6 PM
Sunny, 83°29°Dry
Evening
6 PM–midnight
Drizzle, 74°23°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.
Forecasts agreeIndependent forecasts are close; the range is narrow.
- High, likely
- 82°28°–85°29°
- Low, likely
- 62°17°–71°22°
- Wind
- 13 mph22 km/h, gusts 23 mph37 km/h
- UV peak
- 6
The outlook
Today
30% chance of rain, high 76°, low 64°.
Tomorrow
Dry, high 77°, low 66°.
Monday
Dry, high 78°, low 62°.
Rest of week
Mostly dry, highs 80–83°.
Want the meteorologists’ reasoning? Read the NWS forecast discussion (JAX) (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
Minor flooding
Black Creek at Middleburg
23 mi- Level
- 14.5 ft
Reading from Sat 12:45 PM · NWS gauge page
Santa Fe Lake at Earleton (in NAVD88)
4.6 mi- Level
- 137 ft
Reading from Sat 1 PM · NWS gauge page
Alligator Creek at Starke (in NAVD88)
12 mi- Level
- 137 ft
Reading from Sat 1 PM · NWS gauge page
Sun & moon
Sun
Sunrise 7:35 AM, sunset 6:48 PM.
- Daylight
- 11 h 12 min
- Losing 1 min 43 s a day; shortest Dec 21, 58 min less
- Golden hour
- 6:15–7:03 PM
- Morning 7:21–8:08 AM
- Blue hour
- 7:03–7:12 PM
- Morning 7:11–7:21 AM; first light 7:11 AM
Stars tonight? Fair
Mostly clear 4–7 AM, but the moon is 99% lit and up.
Moon
Waxing gibbous
97% lit · growing
- Today
- sets 5:54 AM · rises 5:42 PM
- Full moon
- Oct 26
- New moon
- Nov 9
