National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Areas of Dangerous Heat and Heavy Rainfall Today

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley today. Heat Advisories remain in effect. Heavy to excessive rainfall today could bring areas of flooding to parts of the northern High Plains and Midwest into the Ohio Valley. Flood Watches remain in effect. Read More >

Current conditions at

Wilmington Airport (KILG)

Lat: 39.67°NLon: 75.61°WElev: 72ft.

Overcast

76°F

24°C

Humidity 82%
Wind Speed Calm
Barometer 29.88 in (1011.9 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index77°F (25°C)
Last update 20 Sep 7:51 pm EDT
Extended Forecast for

Wilmington DE

  • Tonight

    Tonight: Showers likely and possibly a thunderstorm before midnight, then a slight chance of showers between midnight and 1am. Mostly cloudy, with a low around 64. Calm wind becoming north around 5 mph after midnight. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 64 °F

    Showers
    Likely then
    Slight Chance
    Showers

  • Monday

    Monday: Partly sunny, with a high near 72. North wind 5 to 10 mph.

    High: 72 °F

    Partly Sunny

  • Monday Night

    Monday Night: Showers likely, mainly between 10pm and 5am. Mostly cloudy, with a low around 58. Northeast wind 5 to 10 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 58 °F

    Showers
    Likely

  • Tuesday

    Tuesday: Showers. High near 65. Northeast wind 10 to 15 mph. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 65 °F

    Showers

  • Tuesday Night

    Tuesday Night: Showers likely, mainly before 8pm. Mostly cloudy, with a low around 55. Northeast wind 10 to 15 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 55 °F

    Showers
    Likely

  • Wednesday

    Wednesday: A chance of showers. Mostly cloudy, with a high near 65. Chance of precipitation is 40%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 65 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 55.

    Low: 55 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 65.

    High: 65 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 54.

    Low: 54 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Showers likely and possibly a thunderstorm before midnight, then a slight chance of showers between midnight and 1am. Mostly cloudy, with a low around 64. Calm wind becoming north around 5 mph after midnight. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
Partly sunny, with a high near 72. North wind 5 to 10 mph.
Monday Night
Showers likely, mainly between 10pm and 5am. Mostly cloudy, with a low around 58. Northeast wind 5 to 10 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday
Showers. High near 65. Northeast wind 10 to 15 mph. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.
Tuesday Night
Showers likely, mainly before 8pm. Mostly cloudy, with a low around 55. Northeast wind 10 to 15 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
A chance of showers. Mostly cloudy, with a high near 65. Chance of precipitation is 40%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
Mostly cloudy, with a low around 55.
Thursday
Mostly cloudy, with a high near 65.
Thursday Night
Mostly cloudy, with a low around 54.
Friday
A chance of showers after 2pm. Partly sunny, with a high near 66. Chance of precipitation is 30%.
Friday Night
A chance of showers. Partly cloudy, with a low around 54. Chance of precipitation is 30%.
Saturday
A chance of showers. Partly sunny, with a high near 70. Chance of precipitation is 30%.
Saturday Night
Mostly cloudy, with a low around 56.
Sunday
Partly sunny, with a high near 73.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Wilmington DE
 39.73°N 75.52°W (Elev. 3 ft)
Last Update:
6:15 pm EDT Sep 20, 2026
Forecast Valid:
8pm EDT Sep 20, 2026-6pm EDT Sep 27, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation