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.

Light Rain

45°F

7°C

Humidity 90%
Wind Speed NW 8 mph
Barometer 29.92 in (1015.0 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Wind Chill41°F (5°C)
Last update 14 May 8:56 am EDT
Extended Forecast for

New Castle Northwest PA

  • Today

    Today: A chance of rain before noon. Mostly cloudy, with a high near 56. Northwest wind 8 to 13 mph. Chance of precipitation is 30%.

    High: 56 °F

    Chance Rain
    then Mostly
    Cloudy

  • Tonight

    Tonight: Mostly cloudy during the early evening, then gradual clearing, with a low around 42. Northwest wind 3 to 8 mph.

    Low: 42 °F

    Gradual
    Clearing

  • Friday

    Friday: Increasing clouds, with a high near 71. Calm wind becoming west around 6 mph in the afternoon.

    High: 71 °F

    Increasing
    Clouds

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 50. Calm wind.

    Low: 50 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 81. South wind 5 to 10 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 81 °F

    Partly Sunny
    then Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then showers after 2am. Low around 62. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 62 °F

    Showers

  • Sunday

    Sunday: Showers, mainly before 8am. High near 83. Chance of precipitation is 80%.

    High: 83 °F

    Showers

  • Sunday Night

    Sunday Night: Showers likely before 8pm. Partly cloudy, with a low around 63. Chance of precipitation is 60%.

    Low: 63 °F

    Showers
    Likely then
    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 89.

    High: 89 °F

    Mostly Sunny

Detailed Forecast

Today
A chance of rain before noon. Mostly cloudy, with a high near 56. Northwest wind 8 to 13 mph. Chance of precipitation is 30%.
Tonight
Mostly cloudy during the early evening, then gradual clearing, with a low around 42. Northwest wind 3 to 8 mph.
Friday
Increasing clouds, with a high near 71. Calm wind becoming west around 6 mph in the afternoon.
Friday Night
Mostly cloudy, with a low around 50. Calm wind.
Saturday
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 81. South wind 5 to 10 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
A chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then showers after 2am. Low around 62. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Sunday
Showers, mainly before 8am. High near 83. Chance of precipitation is 80%.
Sunday Night
Showers likely before 8pm. Partly cloudy, with a low around 63. Chance of precipitation is 60%.
Monday
Mostly sunny, with a high near 89.
Monday Night
Partly cloudy, with a low around 66.
Tuesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 87. Chance of precipitation is 40%.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 65. Chance of precipitation is 40%.
Wednesday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 81. Chance of precipitation is 60%.
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ABOUT THIS FORECAST

 
Point Forecast:
New Castle Northwest PA
 41.02°N 80.34°W (Elev. 961 ft)
Last Update:
7:01 am EDT May 14, 2026
Forecast Valid:
9am EDT May 14, 2026-6pm EDT May 20, 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