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

New Castle Municipal Airport (KUCP)

Lat: 41.02°NLon: 80.42°WElev: 1072ft.

Fair

52°F

11°C

Humidity 100%
Wind Speed Calm
Barometer 30.14 in (1021.8 mb)
Dewpoint 52°F (11°C)
Visibility 9.00 mi
Last update 26 May 6:56 am EDT
Extended Forecast for

New Castle Northwest PA

  • Today

    Today: Partly sunny, with a high near 81. Light and variable wind.

    High: 81 °F

    Partly Sunny

  • Tonight

    Tonight: A slight chance of showers after 3am. Mostly cloudy, with a low around 63. Calm wind. Chance of precipitation is 20%.

    Low: 63 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Wednesday

    Wednesday: A slight chance of showers before 9am, then a slight chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 79. Calm wind becoming west around 6 mph in the afternoon. Chance of precipitation is 20%.

    High: 79 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 56. Northwest wind 3 to 5 mph.

    Low: 56 °F

    Decreasing
    Clouds

  • Thursday

    Thursday: Sunny, with a high near 74. North wind 6 to 11 mph.

    High: 74 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 49.

    Low: 49 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 76.

    High: 76 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 48.

    Low: 48 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 71.

    High: 71 °F

    Sunny

Detailed Forecast

Today
Partly sunny, with a high near 81. Light and variable wind.
Tonight
A slight chance of showers after 3am. Mostly cloudy, with a low around 63. Calm wind. Chance of precipitation is 20%.
Wednesday
A slight chance of showers before 9am, then a slight chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 79. Calm wind becoming west around 6 mph in the afternoon. Chance of precipitation is 20%.
Wednesday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 56. Northwest wind 3 to 5 mph.
Thursday
Sunny, with a high near 74. North wind 6 to 11 mph.
Thursday Night
Mostly clear, with a low around 49.
Friday
Sunny, with a high near 76.
Friday Night
Mostly clear, with a low around 48.
Saturday
Sunny, with a high near 71.
Saturday Night
Mostly clear, with a low around 48.
Sunday
Sunny, with a high near 72.
Sunday Night
Mostly clear, with a low around 51.
Monday
Sunny, with a high near 74.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
New Castle Northwest PA
 41.04°N 80.33°W (Elev. 1175 ft)
Last Update:
6:36 am EDT May 26, 2026
Forecast Valid:
7am EDT May 26, 2026-6pm EDT Jun 1, 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