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

Storm Impacting the Southwest U.S.; Above Normal Temperatures Further East

A storm system will shift across the southwest U.S. through Thursday with widespread showers and isolated thunderstorms. Isolated flooding is possible. High-elevation snow is also expected in parts of Nevada and the southern Sierra Nevada range. East of this storm, above average temperatures will challenge or break daily record high temperatures this week in the southern Plains and southeast U.S. Read More >

Current conditions at

Wilmington Airport (KILG)

Lat: 39.67°NLon: 75.61°WElev: 72ft.

Overcast

46°F

8°C

Humidity 46%
Wind Speed S 5 mph
Barometer 30.18 in (1021.9 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 18 Nov 6:51 pm EST
Extended Forecast for

New Castle DE

  • Tonight

    Tonight: Rain, mainly after 9pm. Low around 41. Southwest wind around 5 mph becoming east after midnight. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 41 °F

    Rain

  • Wednesday

    Wednesday: Rain likely, mainly before 9am. Mostly cloudy, with a high near 49. North wind around 5 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 49 °F

    Rain Likely
    then Mostly
    Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 39. North wind around 5 mph.

    Low: 39 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 50. Northeast wind around 5 mph becoming calm in the morning.

    High: 50 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Cloudy, with a low around 45. Calm wind becoming south around 5 mph.

    Low: 45 °F

    Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 57.

    High: 57 °F

    Mostly Cloudy

  • Friday Night

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

    Low: 45 °F

    Chance Rain

  • Saturday

    Saturday: A chance of rain. Partly sunny, with a high near 53. Chance of precipitation is 40%.

    High: 53 °F

    Chance Rain

  • Saturday Night

    Saturday Night: A chance of rain before 1am. Partly cloudy, with a low around 38. Chance of precipitation is 30%.

    Low: 38 °F

    Chance Rain

Detailed Forecast

Tonight
Rain, mainly after 9pm. Low around 41. Southwest wind around 5 mph becoming east after midnight. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
Rain likely, mainly before 9am. Mostly cloudy, with a high near 49. North wind around 5 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
Mostly cloudy, with a low around 39. North wind around 5 mph.
Thursday
Mostly cloudy, with a high near 50. Northeast wind around 5 mph becoming calm in the morning.
Thursday Night
Cloudy, with a low around 45. Calm wind becoming south around 5 mph.
Friday
Mostly cloudy, with a high near 57.
Friday Night
A chance of rain. Mostly cloudy, with a low around 45. Chance of precipitation is 50%.
Saturday
A chance of rain. Partly sunny, with a high near 53. Chance of precipitation is 40%.
Saturday Night
A chance of rain before 1am. Partly cloudy, with a low around 38. Chance of precipitation is 30%.
Sunday
Mostly sunny, with a high near 54.
Sunday Night
Partly cloudy, with a low around 40.
Monday
Mostly sunny, with a high near 57.
Monday Night
Partly cloudy, with a low around 43.
Tuesday
Mostly sunny, with a high near 57.
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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:
4:10 pm EST Nov 18, 2025
Forecast Valid:
7pm EST Nov 18, 2025-6pm EST Nov 25, 2025
 
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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