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

86°F

30°C

Humidity 43%
Wind Speed SE 5 mph
Barometer 30.06 in (1018.6 mb)
Dewpoint 61°F (16°C)
Visibility 9.00 mi
Heat Index86°F (30°C)
Last update 19 Aug 1:56 pm EDT
Extended Forecast for

New Castle Northwest PA

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 88. South wind around 6 mph.

    High: 88 °F

    Mostly Sunny

  • Tonight

    Tonight: Showers and thunderstorms before 2am, then showers likely and possibly a thunderstorm between 2am and 4am, then scattered showers and thunderstorms after 4am. Low around 66. Southeast wind around 5 mph becoming calm after midnight. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 66 °F

    Scattered
    T-storms then
    Showers

  • Wednesday

    Wednesday: Scattered showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 81. Calm wind becoming northwest around 6 mph in the afternoon. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 81 °F

    Mostly Cloudy
    then
    Scattered
    T-storms

  • Wednesday Night

    Wednesday Night: Isolated showers between 8pm and 2am. Mostly cloudy, with a low around 63. North wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.

    Low: 63 °F

    Isolated
    Showers

  • Thursday

    Thursday: Isolated showers after 2pm. Partly sunny, with a high near 81. Northeast wind 5 to 7 mph. Chance of precipitation is 20%.

    High: 81 °F

    Partly Sunny
    then Isolated
    Showers

  • Thursday Night

    Thursday Night: Patchy fog after 1am. Otherwise, partly cloudy, with a low around 58.

    Low: 58 °F

    Partly Cloudy
    then Patchy
    Fog

  • Friday

    Friday: Patchy fog before 9am. Otherwise, sunny, with a high near 84.

    High: 84 °F

    Patchy Fog
    then Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear

  • Saturday

    Saturday: Scattered showers, mainly after 2pm. Mostly sunny, with a high near 86. Chance of precipitation is 30%.

    High: 86 °F

    Mostly Sunny
    then
    Scattered
    Showers

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 88. South wind around 6 mph.
Tonight
Showers and thunderstorms before 2am, then showers likely and possibly a thunderstorm between 2am and 4am, then scattered showers and thunderstorms after 4am. Low around 66. Southeast wind around 5 mph becoming calm after midnight. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
Scattered showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 81. Calm wind becoming northwest around 6 mph in the afternoon. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Isolated showers between 8pm and 2am. Mostly cloudy, with a low around 63. North wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.
Thursday
Isolated showers after 2pm. Partly sunny, with a high near 81. Northeast wind 5 to 7 mph. Chance of precipitation is 20%.
Thursday Night
Patchy fog after 1am. Otherwise, partly cloudy, with a low around 58.
Friday
Patchy fog before 9am. Otherwise, sunny, with a high near 84.
Friday Night
Mostly clear, with a low around 60.
Saturday
Scattered showers, mainly after 2pm. Mostly sunny, with a high near 86. Chance of precipitation is 30%.
Saturday Night
Scattered showers before 2am. Mostly cloudy, with a low around 60. Chance of precipitation is 40%.
Sunday
Scattered showers and thunderstorms. Mostly sunny, with a high near 81. Chance of precipitation is 30%.
Sunday Night
Scattered showers and thunderstorms. Partly cloudy, with a low around 54. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 74.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
New Castle Northwest PA
 41.02°N 80.34°W (Elev. 961 ft)
Last Update:
1:00 pm EDT Aug 19, 2025
Forecast Valid:
2pm EDT Aug 19, 2025-6pm EDT Aug 25, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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