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

34°F

1°C

Humidity 61%
Wind Speed S 5 mph
Barometer 30.31 in (1026.3 mb)
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Wind Chill29°F (-2°C)
Last update 19 Mar 4:51 am EDT
Extended Forecast for

New Castle DE

  • Today

    Today: Partly sunny, with a high near 50. South wind 5 to 10 mph.

    High: 50 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 37. South wind around 5 mph.

    Low: 37 °F

    Mostly Cloudy

  • Friday

    Friday: A slight chance of rain after 2pm. Increasing clouds, with a high near 61. South wind 5 to 15 mph. Chance of precipitation is 20%.

    High: 61 °F

    Mostly Sunny
    then Slight
    Chance Rain

  • Friday Night

    Friday Night: Rain likely, mainly between 8pm and 2am. Mostly cloudy, with a low around 48. South wind 10 to 15 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 48 °F

    Rain Likely

  • Saturday

    Saturday: A chance of rain before 8am. Mostly sunny, with a high near 64. Northwest wind 5 to 10 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 64 °F

    Chance Rain
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 45.

    Low: 45 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 68.

    High: 68 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A chance of rain. Mostly cloudy, with a low around 45. Chance of precipitation is 50%.

    Low: 45 °F

    Chance Rain

  • Monday

    Monday: A chance of rain before 2pm. Partly sunny, with a high near 53. Chance of precipitation is 30%.

    High: 53 °F

    Chance Rain

Detailed Forecast

Today
Partly sunny, with a high near 50. South wind 5 to 10 mph.
Tonight
Mostly cloudy, with a low around 37. South wind around 5 mph.
Friday
A slight chance of rain after 2pm. Increasing clouds, with a high near 61. South wind 5 to 15 mph. Chance of precipitation is 20%.
Friday Night
Rain likely, mainly between 8pm and 2am. Mostly cloudy, with a low around 48. South wind 10 to 15 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
A chance of rain before 8am. Mostly sunny, with a high near 64. Northwest wind 5 to 10 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
Mostly cloudy, with a low around 45.
Sunday
Partly sunny, with a high near 68.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 45. Chance of precipitation is 50%.
Monday
A chance of rain before 2pm. Partly sunny, with a high near 53. Chance of precipitation is 30%.
Monday Night
Mostly clear, with a low around 29.
Tuesday
Mostly sunny, with a high near 46.
Tuesday Night
Partly cloudy, with a low around 33.
Wednesday
Mostly sunny, with a high near 51.
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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 am EDT Mar 19, 2026
Forecast Valid:
5am EDT Mar 19, 2026-6pm EDT Mar 25, 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