Brandywine Creek at Wilmington
6.6 mi- Level
- 18.6 ft
- Flow
- 221 cfs
Forecast peak 18.6 ft Sat 8 PM
Reading from Sat 4:30 PM · NWS gauge page
1 active weather alert
Frost Advisory
Starts in 4 h 34 min
- When
- From 10 PM this evening to 9 AM EDT Sunday.
- Where
- In Delaware, Kent and New Castle Counties. In Maryland, Caroline, Kent MD, and Queen Annes Counties. In Pennsylvania, Delaware, Eastern Chester, Eastern Montgomery, Lower Bucks, and Philadelphia Counties.
Issued for this forecast zone · National Weather Service Mount Holly NJ
What, impacts and precautionsHide details
What
Temperatures as low as 33 degrees will result in frost formation.
Impacts
Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered.
Precautionary actions
Take steps now to protect tender plants from the cold.
Areas: New Castle; Kent; Kent; Queen Anne's; Caroline; Delaware; Philadelphia; Eastern Chester; Eastern Montgomery; Lower Bucks
See it on weather.gov (opens in a new tab)
Observed 4:55 PM EDT at KPHL
Claymont, DE weather
Mostly sunny and 63°17°, jacket by 7 PM.
Today: low 38°3°, high 65°18°.
Now 63°17°
Mostly sunny
- Wind
- 3 mph5 km/h
- From the southeast. Light through 5 AM
- Dew point
- 35°2°
- Comfortable
- Air quality
- 34Good
- Main pollutant: Ozone
Next 48 hours
Good hours for
TonightDown to 39°4° by 5 AM
Tomorrow morningUp to 59°15° by 11 AM
Tomorrow afternoonUp to 67°19° by 4 PM
Tomorrow nightDown to 42°6° by 5 AM
Monday morningUp to 61°16° by 11 AM
Monday afternoonUp to 70°21° by 4 PM
| Hour | Conditions | Temperature | Feels like | Precipitation | Wind | Humidity | Cloud cover | UV index |
|---|---|---|---|---|---|---|---|---|
| Sat 5p | Sunny | 63°17° (likely 59°15° to 63°17°) | 63°17° | 0% | 0 mph0 km/h | 35% | — | 0 |
| Sat 6p | Clear | 60°16° (likely 55°13° to 60°16°) | 60°16° | 0% | 0 mph0 km/h | 41% | — | 0 |
| Sat 7p | Clear | 55°13° (likely 53°12° to 55°13°) | 55°13° | 0% | 0 mph0 km/h | 49% | — | 0 |
| Sat 8p | Clear | 51°11° (likely 51°11° to 51°11°) | 51°11° | 0% | 0 mph0 km/h | 59% | — | — |
| Sat 9p | Clear | 48°9° (likely 48°9° to 49°9°) | 48°9° | 0% | 0 mph0 km/h | 63% | — | — |
| Sat 10p | Clear | 46°8° (likely 46°8° to 48°9°) | 46°8° | 0% | 0 mph0 km/h | 68% | — | — |
| Sat 11p | Clear | 43°6° (likely 43°6° to 47°8°) | 43°6° | 0% | 0 mph0 km/h | 76% | — | — |
| Sun 12a | Clear | 42°6° (likely 42°6° to 46°8°) | 42°6° | 0% | 0 mph0 km/h | 82% | — | — |
| Sun 1a | Clear | 42°6° (likely 42°6° to 44°7°) | 42°6° | 0% | 0 mph0 km/h | 79% | — | — |
| Sun 2a | Clear | 41°5° (likely 41°5° to 42°6°) | 41°5° | 0% | 0 mph0 km/h | 82% | — | — |
| Sun 3a | Clear | 40°4° (likely 40°4° to 40°4°) | 40°4° | 0% | 0 mph0 km/h | 85% | — | — |
| Sun 4a | Clear | 40°4° (likely 39°4° to 40°4°) | 40°4° | 0% | 0 mph0 km/h | 85% | — | — |
| Sun 5a | Clear | 39°4° (likely 39°4° to 39°4°) | 39°4° | 0% | 0 mph0 km/h | 85% | — | — |
| Sun 6a | Clear | 39°4° (likely 39°4° to 39°4°) | 39°4° | 0% | 0 mph0 km/h | 85% | — | — |
| Sun 7a | Mostly sunny | 38°3° (likely 38°3° to 38°3°) | 38°3° | 0% | 0 mph0 km/h | 89% | — | — |
| Sun 8a | Mostly sunny | 40°4° (likely 39°4° to 40°4°) | 40°4° | 0% | 0 mph0 km/h | 85% | — | — |
| Sun 9a | Mostly sunny | 47°8° (likely 44°7° to 47°8°) | 47°8° | 0% | 0 mph0 km/h | 68% | — | — |
| Sun 10a | Mostly sunny | 54°12° (likely 51°11° to 54°12°) | 54°12° | 0% | 0 mph0 km/h | 59% | — | — |
| Sun 11a | Sunny | 59°15° (likely 56°13° to 59°15°) | 59°15° | 0% | 0 mph0 km/h | 49% | — | — |
| Sun 12p | Sunny | 61°16° (likely 60°16° to 61°16°) | 61°16° | 0% | 0 mph0 km/h | 44% | — | — |
| Sun 1p | Sunny | 64°18° (likely 62°17° to 64°18°) | 64°18° | 0% | 0 mph0 km/h | 38% | — | — |
| Sun 2p | Sunny | 65°18° (likely 63°17° to 65°18°) | 65°18° | 0% | 0 mph0 km/h | 37% | — | — |
| Sun 3p | Sunny | 66°19° (likely 64°18° to 66°19°) | 66°19° | 0% | 0 mph0 km/h | 36% | — | — |
| Sun 4p | Sunny | 67°19° (likely 64°18° to 67°19°) | 67°19° | 0% | 0 mph0 km/h | 36% | — | — |
| Sun 5p | Sunny | 66°19° (likely 63°17° to 66°19°) | 66°19° | 0% | 0 mph0 km/h | 37% | — | — |
| Sun 6p | Clear | 62°17° (likely 58°14° to 62°17°) | 62°17° | 0% | 0 mph0 km/h | 44% | — | — |
| Sun 7p | Clear | 58°14° (likely 54°12° to 58°14°) | 58°14° | 0% | 0 mph0 km/h | 53% | — | — |
| Sun 8p | Clear | 52°11° (likely 51°11° to 52°11°) | 52°11° | 0% | 0 mph0 km/h | 66% | — | — |
| Sun 9p | Clear | 50°10° (likely 49°9° to 50°10°) | 50°10° | 0% | 0 mph0 km/h | 71% | — | — |
| Sun 10p | Clear | 48°9° (likely 48°9° to 48°9°) | 48°9° | 0% | 0 mph0 km/h | 77% | — | — |
| Sun 11p | Clear | 47°8° (likely 47°8° to 47°8°) | 47°8° | 0% | 0 mph0 km/h | 79% | — | — |
| Mon 12a | Clear | 45°7° (likely 45°7° to 46°8°) | 45°7° | 0% | 0 mph0 km/h | 86% | — | — |
| Mon 1a | Clear | 44°7° (likely 44°7° to 45°7°) | 44°7° | 0% | 0 mph0 km/h | 89% | — | — |
| Mon 2a | Mostly clear | 44°7° (likely 44°7° to 44°7°) | 44°7° | 0% | 0 mph0 km/h | 89% | — | — |
| Mon 3a | Mostly clear | 43°6° (likely 43°6° to 43°6°) | 43°6° | 0% | 0 mph0 km/h | 93% | — | — |
| Mon 4a | Mostly clear | 43°6° (likely 43°6° to 43°6°) | 43°6° | 0% | 0 mph0 km/h | 93% | — | — |
| Mon 5a | Mostly clear | 42°6° (likely 42°6° to 43°6°) | 42°6° | 0% | 0 mph0 km/h | 96% | — | — |
| Mon 6a | Partly cloudy | 42°6° (likely 42°6° to 43°6°) | 42°6° | 0% | 0 mph0 km/h | 93% | — | — |
| Mon 7a | Partly sunny | 42°6° (likely 42°6° to 43°6°) | 42°6° | 0% | 0 mph0 km/h | 96% | — | — |
| Mon 8a | Partly sunny | 43°6° (likely 43°6° to 44°7°) | 43°6° | 0% | 0 mph0 km/h | 96% | — | — |
| Mon 9a | Mostly cloudy | 50°10° (likely 48°9° to 50°10°) | 49°9° | 0% | 5 mph8 km/h from W | 77% | — | — |
| Mon 10a | Partly sunny | 56°13° (likely 54°12° to 56°13°) | 56°13° | 0% | 5 mph8 km/h from W | 64% | — | — |
| Mon 11a | Mostly sunny | 61°16° (likely 61°16° to 61°16°) | 61°16° | 0% | 5 mph8 km/h from W | 58% | — | — |
| Mon 12p | Sunny | 64°18° (likely 64°18° to 64°18°) | 64°18° | 0% | 5 mph8 km/h from W | 52% | — | — |
| Mon 1p | Sunny | 66°19° (likely 66°19° to 66°19°) | 66°19° | 0% | 5 mph8 km/h from W | 48% | — | — |
| Mon 2p | Sunny | 68°20° (likely 68°20° to 68°20°) | 68°20° | 0% | 5 mph8 km/h from W | 45% | — | — |
| Mon 3p | Sunny | 69°21° (likely 69°21° to 69°21°) | 69°21° | 0% | 5 mph8 km/h from W | 44% | — | — |
| Mon 4p | Sunny | 70°21° (likely 70°21° to 70°21°) | 70°21° | 0% | 5 mph8 km/h from W | 42% | — | — |
Days ahead
Shaded: typical range for these dates (1991–2020)
Today, Oct 24. Sunny. High 65°18°, low 38°3°. Typical 64°18° / 44°7°. Dry. One forecast only.
Evening
6 PM–midnight
Clear, 51°11°Dry
Overnight
midnight–6 AM
Clear, 39°4°Dry
Official NWS forecast
Today: Sunny, with a high near 65. South wind around 0 mph.
Tonight: Patchy frost after 10pm. Clear, with a low around 38. West wind around 0 mph.
One forecast onlyOnly one forecast covers this day, so there is nothing to compare against.
- High, likely
- 65°18°
- Low, likely
- 38°3°
- Typical high / low
- 64°18° / 44°7°
- Wind
- 0 mph0 km/h
Tomorrow, Oct 25. Sunny. High 68°20°, low 42°6°. Typical 64°18° / 44°7°. Dry. One forecast only.
Morning
6 AM–noon
Mostly sunny, 40°4°Dry
Afternoon
noon–6 PM
Sunny, 67°19°Dry
Evening
6 PM–midnight
Clear, 52°11°Dry
Overnight
midnight–6 AM
Mostly clear, 42°6°Dry
Official NWS forecast
Day: Patchy frost before 9am. Sunny, with a high near 68. West wind around 0 mph.
Night: Mostly clear, with a low around 42. West wind around 0 mph.
One forecast onlyOnly one forecast covers this day, so there is nothing to compare against.
- High, likely
- 64°18°–68°20°
- Low, likely
- 38°3°–42°6°
- Typical high / low
- 64°18° / 44°7°
- Wind
- 5 mph7 km/h
Monday, Oct 26. Mostly sunny. High 70°21°, low 49°9°. Typical 63°17° / 44°7°. Dry. One forecast only.
Morning
6 AM–noon
Mostly cloudy, 43°6°Dry
Afternoon
noon–6 PM
Sunny, 70°21°Dry
Official NWS forecast
Day: Sunny, with a high near 70. West wind 0 to 5 mph.
Night: Clear, with a low around 49.
One forecast onlyOnly one forecast covers this day, so there is nothing to compare against.
- High, likely
- 69°21°–70°21°
- Low, likely
- 42°6°–49°9°
- Typical high / low
- 63°17° / 44°7°
- Wind
- 6 mph10 km/h
Tuesday, Oct 27. Mostly sunny. High 66°19°, low 44°7°. Typical 63°17° / 43°6°. Dry. One forecast only.
Official NWS forecast
Day: Sunny, with a high near 66.
Night: Mostly clear, with a low around 44.
One forecast onlyOnly one forecast covers this day, so there is nothing to compare against.
- High, likely
- 65°18°–66°19°
- Low, likely
- 44°7°–48°9°
- Typical high / low
- 63°17° / 43°6°
- Wind
- 7 mph11 km/h
Wednesday, Oct 28. Partly sunny. High 65°18°, low 47°8°. Typical 63°17° / 43°6°. Dry. One forecast only.
Official NWS forecast
Day: Mostly sunny, with a high near 65.
Night: Partly cloudy, with a low around 47.
One forecast onlyOnly one forecast covers this day, so there is nothing to compare against.
- High, likely
- 62°17°–65°18°
- Low, likely
- 44°7°–47°8°
- Typical high / low
- 63°17° / 43°6°
- Wind
- 5 mph8 km/h
Thursday, Oct 29. Partly sunny. High 70°21°, low 51°11°. Typical 62°17° / 42°6°. Dry. One forecast only.
Official NWS forecast
Day: Mostly sunny, with a high near 70.
Night: Mostly clear, with a low around 51.
One forecast onlyOnly one forecast covers this day, so there is nothing to compare against.
- High, likely
- 67°19°–70°21°
- Low, likely
- 48°9°–51°11°
- Typical high / low
- 62°17° / 42°6°
- Wind
- 6 mph10 km/h
Friday, Oct 30. Mostly sunny. High 74°23°, low 52°11°. Typical 62°17° / 42°6°. Dry. One forecast only.
Official NWS forecast
Day: Sunny, with a high near 74.
Night: Mostly clear, with a low around 52.
One forecast onlyOnly one forecast covers this day, so there is nothing to compare against.
- High, likely
- 73°23°–74°23°
- Low, likely
- 51°11°–52°11°
- Typical high / low
- 62°17° / 42°6°
- Wind
- 5 mph8 km/h
The outlook
Today
Dry, high 65°, low 38°.
Tomorrow
Dry, high 68°, low 42°, warming up.
Monday
Dry, high 70°, low 49°.
Rest of week
Mostly dry, highs 65–74°.
Want the meteorologists’ reasoning? Read the NWS forecast discussion (PHI) (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
Brandywine Creek at Chadds Ford
8.4 mi- Level
- 1.9 ft
- Flow
- 203 cfs
Forecast peak 1.9 ft Sat 8 PM
Reading from Sat 4:30 PM · NWS gauge page
Delaware River at Marcus Hook (IN MLLW)
2.7 mi- Level
- 2.6 ft
Reading from Sat 4:36 PM · NWS gauge page
Chester Creek near Chester
5.3 mi- Level
- 2.6 ft
- Flow
- 42 cfs
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
About 68% less heating than a typical week.
This week 27Typical 84
Heating degree days, base 65°F
Heat-pump hours, next 7 days
- h below 47°F
- 22
- h below 17°F
- 0
- h below 5°F
- 0
47, 17 and 5°F are the test points heat pumps are rated at. About 11 hours are near freezing and damp, when outdoor units defrost more often.
Comfort
Dry air outside (dew point 36°F).
Open the windows?
Sun, 12:00 PM–6:00 PM
Good stretch to open the windows (air quality forecast not available for part of this window).
Is this typical?
Wilmington Airport · official normals 1991–2020 · records 1894–2026
Oct 24, today vs a typical year
Today’s expected high is about typical for the date.
- Normal high / low
- 64°18° / 44°7°
- Forecast high / low
- 65°18° / 38°3°
- Record high
- 82°28° in 2001
- Record low
- 24°−4° in 1969
Last 7 days vs normal
On average 2°1° colder than normal (daily mean temperature).
- −6°−3°SunOct 18
- −4°−2°MonOct 19
- +1°TueOct 20
- ±0°WedOct 21
- ±0°ThuOct 22
- −3°−2°FriOct 23
- —SatOct 24
Claymont weather by month: normals, records, snow and freeze dates
Sun & moon
Sun
Sunrise 7:21 AM, sunset 6:09 PM.
- Daylight
- 10 h 48 min
- Losing 2 min 30 s a day; shortest Dec 21, 1 h 27 min less
- Golden hour
- 5:32–6:26 PM
- Morning 7:04–7:59 AM
- Blue hour
- 6:26–6:37 PM
- Morning 6:54–7:04 AM; first light 6:54 AM
Stars tonight? Unknown
Cloud forecast not available for tonight.
Moon
Waxing gibbous
98% lit · growing
- Today
- sets 5:33 AM · rises 5:06 PM
- Full moon
- Oct 26
- New moon
- Nov 9
