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

Showers and Thunderstorms in the Southwest and Ohio Valley; Mountain Snow in the Northeast

Showers and thunderstorms, along with high-elevation snow, will begin to develop over parts of the Southwest late tonight and is expected to continue through Wednesday morning. Mountain snow over parts the Northeast will continue through Tuesday. A few strong to severe storms and heavy rainfall are possible across portions of the Lower Ohio Valley Tuesday. Read More >

Current conditions at

Wilmington Airport (KILG)

Lat: 39.67°NLon: 75.61°WElev: 72ft.

Fair

38°F

3°C

Humidity 46%
Wind Speed W 14 mph
Barometer 30.10 in (1019.2 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill30°F (-1°C)
Last update 17 Nov 11:51 pm EST
Extended Forecast for

New Castle DE

  • Overnight

    Overnight: Clear, with a low around 34. West wind around 10 mph.

    Low: 34 °F

    Clear

  • Tuesday

    Tuesday: A slight chance of rain after 1pm. Increasing clouds, with a high near 48. West wind 5 to 10 mph. Chance of precipitation is 20%.

    High: 48 °F

    Sunny then
    Slight Chance
    Rain

  • Tuesday Night

    Tuesday Night: Rain. Low around 40. Southwest wind around 5 mph becoming east after midnight. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 40 °F

    Rain

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 51. North wind around 5 mph.

    High: 51 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 42. Northeast wind around 5 mph.

    Low: 42 °F

    Mostly Cloudy

  • Thursday

    Thursday: Cloudy, with a high near 52.

    High: 52 °F

    Cloudy

  • Thursday Night

    Thursday Night: A chance of rain after 1am. Cloudy, with a low around 47. Chance of precipitation is 40%.

    Low: 47 °F

    Cloudy then
    Chance Rain

  • Friday

    Friday: A chance of rain before 1pm. Mostly cloudy, with a high near 61. Chance of precipitation is 40%.

    High: 61 °F

    Chance Rain

  • Friday Night

    Friday Night: Rain likely, mainly before 1am. Mostly cloudy, with a low around 50. Chance of precipitation is 60%.

    Low: 50 °F

    Rain Likely

Detailed Forecast

Overnight
Clear, with a low around 34. West wind around 10 mph.
Tuesday
A slight chance of rain after 1pm. Increasing clouds, with a high near 48. West wind 5 to 10 mph. Chance of precipitation is 20%.
Tuesday Night
Rain. Low around 40. Southwest wind around 5 mph becoming east after midnight. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
Mostly cloudy, with a high near 51. North wind around 5 mph.
Wednesday Night
Mostly cloudy, with a low around 42. Northeast wind around 5 mph.
Thursday
Cloudy, with a high near 52.
Thursday Night
A chance of rain after 1am. Cloudy, with a low around 47. Chance of precipitation is 40%.
Friday
A chance of rain before 1pm. Mostly cloudy, with a high near 61. Chance of precipitation is 40%.
Friday Night
Rain likely, mainly before 1am. Mostly cloudy, with a low around 50. Chance of precipitation is 60%.
Saturday
A chance of rain before 1pm. Partly sunny, with a high near 56. Chance of precipitation is 30%.
Saturday Night
Partly cloudy, with a low around 41.
Sunday
Mostly sunny, with a high near 54.
Sunday Night
Partly cloudy, with a low around 42.
Monday
Mostly sunny, with a high near 58.
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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:
4:09 pm EST Nov 17, 2025
Forecast Valid:
12am EST Nov 18, 2025-6pm EST Nov 24, 2025
 
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Additional Resources

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National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation