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 with Haze

41°F

5°C

Humidity 82%
Wind Speed Calm
Barometer 29.82 in (1009.7 mb)
Dewpoint 36°F (2°C)
Visibility 4.00 mi
Last update 18 Feb 11:51 am EST
Extended Forecast for

New Castle DE

  • This Afternoon

    This Afternoon: A slight chance of light rain after 3pm. Cloudy, with a high near 50. Calm wind becoming north around 5 mph. Chance of precipitation is 20%.

    High: 50 °F

    Slight Chance
    Light Rain

  • Tonight

    Tonight: A chance of light rain, mainly after 4am. Patchy fog after 11pm. Otherwise, cloudy, with a low around 38. North wind 5 to 10 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 38 °F

    Chance Light
    Rain and
    Patchy Fog

  • Thursday

    Thursday: Light rain, mainly after noon. Patchy fog before noon. High near 45. East wind around 10 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 45 °F

    Chance Light
    Rain and
    Patchy Fog
    then Light
    Rain

  • Thursday Night

    Thursday Night: Rain or light rain before 7pm, then rain after 7pm. Low around 39. East wind around 10 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 39 °F

    Rain

  • Friday

    Friday: Rain, mainly before 1pm. High near 49. East wind 5 to 10 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 49 °F

    Rain

  • Friday Night

    Friday Night: A slight chance of rain before 1am. Mostly cloudy, with a low around 38. Chance of precipitation is 20%.

    Low: 38 °F

    Slight Chance
    Rain

  • Saturday

    Saturday: Partly sunny, with a high near 50.

    High: 50 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A chance of rain and snow after 1am. Mostly cloudy, with a low around 35. Chance of precipitation is 30%.

    Low: 35 °F

    Mostly Cloudy
    then Chance
    Rain/Snow

  • Sunday

    Sunday: Rain and snow likely. Mostly cloudy, with a high near 40. Chance of precipitation is 60%.

    High: 40 °F

    Rain/Snow
    Likely

Detailed Forecast

This Afternoon
A slight chance of light rain after 3pm. Cloudy, with a high near 50. Calm wind becoming north around 5 mph. Chance of precipitation is 20%.
Tonight
A chance of light rain, mainly after 4am. Patchy fog after 11pm. Otherwise, cloudy, with a low around 38. North wind 5 to 10 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Light rain, mainly after noon. Patchy fog before noon. High near 45. East wind around 10 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
Rain or light rain before 7pm, then rain after 7pm. Low around 39. East wind around 10 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Friday
Rain, mainly before 1pm. High near 49. East wind 5 to 10 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Friday Night
A slight chance of rain before 1am. Mostly cloudy, with a low around 38. Chance of precipitation is 20%.
Saturday
Partly sunny, with a high near 50.
Saturday Night
A chance of rain and snow after 1am. Mostly cloudy, with a low around 35. Chance of precipitation is 30%.
Sunday
Rain and snow likely. Mostly cloudy, with a high near 40. Chance of precipitation is 60%.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 30. Chance of precipitation is 50%.
Monday
A chance of snow. Mostly cloudy, with a high near 39. Chance of precipitation is 30%.
Monday Night
Partly cloudy, with a low around 24.
Tuesday
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:
12:34 pm EST Feb 18, 2026
Forecast Valid:
12pm EST Feb 18, 2026-6pm EST Feb 24, 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