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.

Overcast

38°F

3°C

Humidity 97%
Wind Speed NW 12 G 21 mph
Barometer 30.03 in (1018.3 mb)
Dewpoint 37°F (3°C)
Visibility 8.00 mi
Wind Chill30°F (-1°C)
Last update 27 Mar 4:56 am EDT
Extended Forecast for

New Castle Northwest PA

  • Overnight

    Overnight: A slight chance of rain. Cloudy, with a low around 34. North wind around 10 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.

    Low: 34 °F

    Slight Chance
    Rain

  • Friday

    Friday: Cloudy through mid morning, then gradual clearing, with a high near 46. North wind around 9 mph.

    High: 46 °F

    Gradual
    Clearing

  • Friday Night

    Friday Night: Mostly clear, with a low around 23. Northwest wind 6 to 8 mph.

    Low: 23 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 43. West wind 5 to 9 mph.

    High: 43 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 28. Calm wind becoming south around 5 mph after midnight.

    Low: 28 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 57.

    High: 57 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 43.

    Low: 43 °F

    Mostly Cloudy

  • Monday

    Monday: A chance of rain after 2pm. Partly sunny, with a high near 60. Chance of precipitation is 30%.

    High: 60 °F

    Partly Sunny
    then Chance
    Rain

  • Monday Night

    Monday Night: Rain likely, mainly after 2am. Mostly cloudy, with a low around 51. Chance of precipitation is 60%.

    Low: 51 °F

    Rain Likely

Detailed Forecast

Overnight
A slight chance of rain. Cloudy, with a low around 34. North wind around 10 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
Friday
Cloudy through mid morning, then gradual clearing, with a high near 46. North wind around 9 mph.
Friday Night
Mostly clear, with a low around 23. Northwest wind 6 to 8 mph.
Saturday
Mostly sunny, with a high near 43. West wind 5 to 9 mph.
Saturday Night
Partly cloudy, with a low around 28. Calm wind becoming south around 5 mph after midnight.
Sunday
Partly sunny, with a high near 57.
Sunday Night
Mostly cloudy, with a low around 43.
Monday
A chance of rain after 2pm. Partly sunny, with a high near 60. Chance of precipitation is 30%.
Monday Night
Rain likely, mainly after 2am. Mostly cloudy, with a low around 51. Chance of precipitation is 60%.
Tuesday
Rain likely, mainly before 2pm. Mostly cloudy, with a high near 70. Chance of precipitation is 60%.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 57. Chance of precipitation is 50%.
Wednesday
Rain likely and possibly a thunderstorm. Mostly cloudy, with a high near 75. Chance of precipitation is 60%.
Wednesday Night
A chance of rain and thunderstorms. Mostly cloudy, with a low around 52. Chance of precipitation is 40%.
Thursday
A chance of rain. Mostly cloudy, with a high near 70. Chance of precipitation is 50%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
New Castle Northwest PA
 41.04°N 80.33°W (Elev. 1175 ft)
Last Update:
2:21 am EDT Mar 27, 2026
Forecast Valid:
5am EDT Mar 27, 2026-6pm EDT Apr 2, 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