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

82°F

28°C

Humidity 34%
Wind Speed Vrbl 3 mph
Barometer 30.19 in (1023.5 mb)
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 4 Oct 4:56 pm EDT
Extended Forecast for

New Castle Northwest PA

  • Tonight

    Tonight: Clear, with a low around 50. Calm wind.

    Low: 50 °F

    Clear

  • Sunday

    Sunday: Patchy fog before 9am. Otherwise, sunny, with a high near 83. Calm wind becoming south around 5 mph in the afternoon.

    High: 83 °F

    Patchy Fog
    then Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 52. Calm wind.

    Low: 52 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 84. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 84 °F

    Sunny

  • Monday Night

    Monday Night: A chance of showers after 2am. Partly cloudy, with a low around 58. Calm wind. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 58 °F

    Partly Cloudy
    then Chance
    Showers

  • Tuesday

    Tuesday: Showers and thunderstorms likely before 11am, then showers likely between 11am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 74. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 74 °F

    Showers

  • Tuesday Night

    Tuesday Night: Showers before 8pm, then showers and possibly a thunderstorm between 8pm and 2am, then a chance of showers and thunderstorms after 2am. Low around 47. Chance of precipitation is 80%.

    Low: 47 °F

    Showers

  • Wednesday

    Wednesday: A chance of showers before 8am. Mostly sunny, with a high near 65. Chance of precipitation is 30%.

    High: 65 °F

    Chance
    Showers then
    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 39.

    Low: 39 °F

    Mostly Clear

Detailed Forecast

Tonight
Clear, with a low around 50. Calm wind.
Sunday
Patchy fog before 9am. Otherwise, sunny, with a high near 83. Calm wind becoming south around 5 mph in the afternoon.
Sunday Night
Clear, with a low around 52. Calm wind.
Monday
Sunny, with a high near 84. Calm wind becoming southwest around 6 mph in the afternoon.
Monday Night
A chance of showers after 2am. Partly cloudy, with a low around 58. Calm wind. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
Showers and thunderstorms likely before 11am, then showers likely between 11am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 74. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday Night
Showers before 8pm, then showers and possibly a thunderstorm between 8pm and 2am, then a chance of showers and thunderstorms after 2am. Low around 47. Chance of precipitation is 80%.
Wednesday
A chance of showers before 8am. Mostly sunny, with a high near 65. Chance of precipitation is 30%.
Wednesday Night
Mostly clear, with a low around 39.
Thursday
Sunny, with a high near 66.
Thursday Night
Mostly clear, with a low around 43.
Friday
Mostly sunny, with a high near 70.
Friday Night
A chance of showers. Mostly cloudy, with a low around 48. Chance of precipitation is 30%.
Saturday
A chance of showers. Partly sunny, with a high near 68. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
New Castle Northwest PA
 41.02°N 80.37°W (Elev. 948 ft)
Last Update:
4:02 pm EDT Oct 4, 2025
Forecast Valid:
5pm EDT Oct 4, 2025-6pm EDT Oct 11, 2025
 
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