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.

Mostly Cloudy

50°F

10°C

Humidity 39%
Wind Speed SW 7 mph
Barometer 29.70 in (1005.6 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Wind Chill47°F (8°C)
Last update 14 Jan 8:51 am EST
Extended Forecast for

New Castle DE

  • Today

    Today: A slight chance of rain before 10am. Cloudy, with a high near 52. South wind around 5 mph. Chance of precipitation is 20%.

    High: 52 °F

    Slight Chance
    Rain then
    Cloudy

  • Tonight

    Tonight: Rain likely before 4am, then a chance of rain and snow. Cloudy, with a low around 29. South wind 5 to 15 mph becoming west after midnight. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 29 °F

    Chance Rain
    then
    Rain/Snow
    Likely

  • Thursday

    Thursday: Partly sunny, with a high near 34. Breezy, with a west wind 15 to 20 mph.

    High: 34 °F

    Partly Sunny
    and Breezy

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 21. Breezy, with a west wind 15 to 20 mph.

    Low: 21 °F

    Mostly Cloudy
    and Breezy
    then Partly
    Cloudy

  • Friday

    Friday: Sunny, with a high near 34. West wind around 10 mph becoming south in the afternoon. Winds could gust as high as 20 mph.

    High: 34 °F

    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 30.

    Low: 30 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of rain and snow before 1pm, then a chance of rain. Partly sunny, with a high near 43. Chance of precipitation is 30%.

    High: 43 °F

    Chance
    Rain/Snow

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 26.

    Low: 26 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 32.

    High: 32 °F

    Mostly Sunny

Detailed Forecast

Today
A slight chance of rain before 10am. Cloudy, with a high near 52. South wind around 5 mph. Chance of precipitation is 20%.
Tonight
Rain likely before 4am, then a chance of rain and snow. Cloudy, with a low around 29. South wind 5 to 15 mph becoming west after midnight. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Thursday
Partly sunny, with a high near 34. Breezy, with a west wind 15 to 20 mph.
Thursday Night
Partly cloudy, with a low around 21. Breezy, with a west wind 15 to 20 mph.
Friday
Sunny, with a high near 34. West wind around 10 mph becoming south in the afternoon. Winds could gust as high as 20 mph.
Friday Night
Mostly cloudy, with a low around 30.
Saturday
A chance of rain and snow before 1pm, then a chance of rain. Partly sunny, with a high near 43. Chance of precipitation is 30%.
Saturday Night
Mostly cloudy, with a low around 26.
Sunday
Mostly sunny, with a high near 32.
Sunday Night
Mostly clear, with a low around 21.
M.L.King Day
Mostly sunny, with a high near 32.
Monday Night
Partly cloudy, with a low around 19.
Tuesday
Mostly sunny, with a high near 28.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
New Castle DE
 39.67°N 75.56°W (Elev. 3 ft)
Last Update:
4:12 am EST Jan 14, 2026
Forecast Valid:
9am EST Jan 14, 2026-6pm EST Jan 20, 2026
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation