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.

Overcast

39°F

4°C

Humidity 41%
Wind Speed S 5 mph
Barometer 30.06 in (1017.9 mb)
Dewpoint 17°F (-8°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 17 Jan 7:51 am EST
Extended Forecast for

New Castle DE

  • Today

    Today: Rain and snow likely before 2pm, then a chance of rain between 2pm and 3pm. Mostly cloudy, with a high near 41. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.

    High: 41 °F

    Chance Snow
    then
    Rain/Snow
    Likely

  • Tonight

    Tonight: A slight chance of snow after 4am. Increasing clouds, with a low around 31. Southwest wind around 5 mph becoming calm. Chance of precipitation is 20%.

    Low: 31 °F

    Partly Cloudy
    then Slight
    Chance Snow

  • Sunday

    Sunday: A chance of snow. Cloudy, with a high near 36. Northwest wind around 5 mph becoming east in the morning. Chance of precipitation is 50%. New snow accumulation of around an inch possible.

    High: 36 °F

    Chance Snow

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 20. West wind 5 to 10 mph.

    Low: 20 °F

    Partly Cloudy

  • M.L.King Day

    M.L.King Day: Sunny, with a high near 36. Southwest wind 5 to 15 mph.

    High: 36 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 15.

    Low: 15 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 25.

    High: 25 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 15.

    Low: 15 °F

    Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 36.

    High: 36 °F

    Mostly Sunny

Detailed Forecast

Today
Rain and snow likely before 2pm, then a chance of rain between 2pm and 3pm. Mostly cloudy, with a high near 41. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.
Tonight
A slight chance of snow after 4am. Increasing clouds, with a low around 31. Southwest wind around 5 mph becoming calm. Chance of precipitation is 20%.
Sunday
A chance of snow. Cloudy, with a high near 36. Northwest wind around 5 mph becoming east in the morning. Chance of precipitation is 50%. New snow accumulation of around an inch possible.
Sunday Night
Partly cloudy, with a low around 20. West wind 5 to 10 mph.
M.L.King Day
Sunny, with a high near 36. Southwest wind 5 to 15 mph.
Monday Night
Partly cloudy, with a low around 15.
Tuesday
Sunny, with a high near 25.
Tuesday Night
Clear, with a low around 15.
Wednesday
Mostly sunny, with a high near 36.
Wednesday Night
Mostly cloudy, with a low around 30.
Thursday
Partly sunny, with a high near 42.
Thursday Night
Mostly cloudy, with a low around 25.
Friday
Mostly sunny, with a high near 34.
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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:
4:11 am EST Jan 17, 2026
Forecast Valid:
8am EST Jan 17, 2026-6pm EST Jan 23, 2026
 
Forecast Discussion
 
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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