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

Wilmington Airport (KILG)

Lat: 39.67°NLon: 75.61°WElev: 72ft.

Fog/Mist

43°F

6°C

Humidity 93%
Wind Speed Calm
Barometer 30.20 in (1022.5 mb)
Dewpoint 41°F (5°C)
Visibility 3.00 mi
Last update 5 Mar 5:51 am EST
Extended Forecast for

New Castle DE

  • Today

    Today: Rain, mainly before 10am. Widespread fog, mainly between 7am and 1pm. High near 51. Northeast wind 5 to 10 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 51 °F

    Rain and
    Patchy Fog
    then Chance
    Rain and Fog

  • Tonight

    Tonight: Rain and possibly a thunderstorm before 2am, then a chance of rain. Widespread fog, mainly before 5am. Low around 41. Northeast wind 10 to 15 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 41 °F

    Rain and Fog

  • Friday

    Friday: Areas of fog before 7am. Otherwise, mostly cloudy, with a high near 48. Northeast wind around 5 mph.

    High: 48 °F

    Areas Fog
    then Mostly
    Cloudy

  • Friday Night

    Friday Night: A chance of showers, mainly after 1am. Patchy fog after 1am. Otherwise, cloudy, with a low around 42. East wind around 5 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 42 °F

    Chance
    Showers and
    Patchy Fog

  • Saturday

    Saturday: A slight chance of showers after 1pm. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 62. East wind around 5 mph becoming south in the afternoon. Chance of precipitation is 20%.

    High: 62 °F

    Patchy Fog
    then Slight
    Chance
    Showers

  • Saturday Night

    Saturday Night: Showers likely. Mostly cloudy, with a low around 57. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 57 °F

    Showers
    Likely

  • Sunday

    Sunday: A chance of showers before 1pm. Partly sunny, with a high near 65. Chance of precipitation is 30%.

    High: 65 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 46.

    Low: 46 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 63.

    High: 63 °F

    Mostly Sunny

Detailed Forecast

Today
Rain, mainly before 10am. Widespread fog, mainly between 7am and 1pm. High near 51. Northeast wind 5 to 10 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
Rain and possibly a thunderstorm before 2am, then a chance of rain. Widespread fog, mainly before 5am. Low around 41. Northeast wind 10 to 15 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
Areas of fog before 7am. Otherwise, mostly cloudy, with a high near 48. Northeast wind around 5 mph.
Friday Night
A chance of showers, mainly after 1am. Patchy fog after 1am. Otherwise, cloudy, with a low around 42. East wind around 5 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
A slight chance of showers after 1pm. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 62. East wind around 5 mph becoming south in the afternoon. Chance of precipitation is 20%.
Saturday Night
Showers likely. Mostly cloudy, with a low around 57. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
A chance of showers before 1pm. Partly sunny, with a high near 65. Chance of precipitation is 30%.
Sunday Night
Partly cloudy, with a low around 46.
Monday
Mostly sunny, with a high near 63.
Monday Night
Partly cloudy, with a low around 49.
Tuesday
Mostly sunny, with a high near 73.
Tuesday Night
Partly cloudy, with a low around 57.
Wednesday
A chance of showers. Partly sunny, with a high near 75. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
New Castle DE
 39.67°N 75.56°W (Elev. 3 ft)
Last Update:
5:23 am EST Mar 5, 2026
Forecast Valid:
6am EST Mar 5, 2026-6pm EDT Mar 11, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation