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.

Fog/Mist

60°F

16°C

Humidity 100%
Wind Speed Calm
Barometer 30.00 in (1016.7 mb)
Dewpoint 60°F (16°C)
Visibility 6.00 mi
Last update 27 May 6:56 am EDT
Extended Forecast for

New Castle Northwest PA

  • Today

    Today: Mostly cloudy, with a high near 83. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 83 °F

    Mostly Cloudy

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 55. Light north wind.

    Low: 55 °F

    Decreasing
    Clouds

  • Thursday

    Thursday: Sunny, with a high near 75. Light north wind increasing to 5 to 10 mph in the morning.

    High: 75 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 48. North wind around 5 mph becoming calm in the evening.

    Low: 48 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 79. Calm wind becoming west around 6 mph in the afternoon.

    High: 79 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 53.

    Low: 53 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 75.

    High: 75 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 46.

    Low: 46 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 73.

    High: 73 °F

    Sunny

Detailed Forecast

Today
Mostly cloudy, with a high near 83. Calm wind becoming northwest around 5 mph in the afternoon.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 55. Light north wind.
Thursday
Sunny, with a high near 75. Light north wind increasing to 5 to 10 mph in the morning.
Thursday Night
Mostly clear, with a low around 48. North wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 79. Calm wind becoming west around 6 mph in the afternoon.
Friday Night
Mostly clear, with a low around 53.
Saturday
Sunny, with a high near 75.
Saturday Night
Mostly clear, with a low around 46.
Sunday
Sunny, with a high near 73.
Sunday Night
Mostly clear, with a low around 49.
Monday
Mostly sunny, with a high near 74.
Monday Night
Mostly clear, with a low around 48.
Tuesday
Sunny, with a high near 75.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
New Castle Northwest PA
 41.02°N 80.37°W (Elev. 948 ft)
Last Update:
7:26 am EDT May 27, 2026
Forecast Valid:
7am EDT May 27, 2026-6pm EDT Jun 2, 2026
 
Forecast Discussion
 
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Additional Resources

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