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.

Fair

36°F

2°C

Humidity 55%
Wind Speed W 14 G 26 mph
Barometer 29.70 in (1005.5 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill27°F (-3°C)
Last update 17 Mar 3:51 am EDT
Extended Forecast for

New Castle DE

  • Today

    Today: Increasing clouds, with a high near 40. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 40 °F

    Increasing
    Clouds and
    Breezy

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming clear, with a low around 26. Northwest wind 10 to 15 mph.

    Low: 26 °F

    Decreasing
    Clouds

  • Wednesday

    Wednesday: Mostly sunny, with a high near 40. Northwest wind around 5 mph becoming south in the afternoon.

    High: 40 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 30. South wind around 5 mph.

    Low: 30 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 51. South wind around 5 mph.

    High: 51 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 35.

    Low: 35 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 56.

    High: 56 °F

    Partly Sunny

  • Friday Night

    Friday Night: A chance of rain after 2am. Mostly cloudy, with a low around 43. Chance of precipitation is 30%.

    Low: 43 °F

    Mostly Cloudy
    then Chance
    Rain

  • Saturday

    Saturday: A chance of rain before 8am. Partly sunny, with a high near 58. Chance of precipitation is 30%.

    High: 58 °F

    Chance Rain
    then Partly
    Sunny

Detailed Forecast

Today
Increasing clouds, with a high near 40. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph.
Tonight
Mostly cloudy, then gradually becoming clear, with a low around 26. Northwest wind 10 to 15 mph.
Wednesday
Mostly sunny, with a high near 40. Northwest wind around 5 mph becoming south in the afternoon.
Wednesday Night
Partly cloudy, with a low around 30. South wind around 5 mph.
Thursday
Mostly sunny, with a high near 51. South wind around 5 mph.
Thursday Night
Partly cloudy, with a low around 35.
Friday
Partly sunny, with a high near 56.
Friday Night
A chance of rain after 2am. Mostly cloudy, with a low around 43. Chance of precipitation is 30%.
Saturday
A chance of rain before 8am. Partly sunny, with a high near 58. Chance of precipitation is 30%.
Saturday Night
Mostly cloudy, with a low around 42.
Sunday
Partly sunny, with a high near 61.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 38. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 51.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
New Castle DE
 39.67°N 75.56°W (Elev. 3 ft)
Last Update:
4:11 am EDT Mar 17, 2026
Forecast Valid:
4am EDT Mar 17, 2026-6pm EDT Mar 23, 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