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

47°F

8°C

Humidity 97%
Wind Speed E 9 mph
Barometer 30.10 in (1020.8 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Wind Chill43°F (6°C)
Last update 1 Apr 3:56 pm EDT
Extended Forecast for

New Castle Northwest PA

  • This Afternoon

    This Afternoon: Showers likely, with thunderstorms also possible after 5pm. Mostly cloudy, with a high near 57. North wind around 7 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 57 °F

    Showers
    Likely

  • Tonight

    Tonight: Showers and possibly a thunderstorm before 10pm, then a chance of showers and thunderstorms between 10pm and 11pm, then a chance of showers after 11pm. Low around 49. Northeast wind 3 to 6 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 49 °F

    Showers then
    Chance
    Showers

  • Thursday

    Thursday: Showers likely and possibly a thunderstorm before 10am, then a chance of showers and thunderstorms, mainly between 10am and 11am. Partly sunny, with a high near 78. Light and variable wind becoming south 5 to 10 mph in the morning. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 78 °F

    Showers
    Likely then
    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 62. South wind 6 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 62 °F

    Chance
    T-storms then
    Chance
    Showers

  • Friday

    Friday: A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 77. Southwest wind 9 to 14 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 77 °F

    Chance
    Showers then
    Showers
    Likely

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 60. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 60 °F

    Showers
    Likely

  • Saturday

    Saturday: Showers likely before 8am, then a chance of showers after 2pm. Partly sunny, with a high near 81. Chance of precipitation is 60%.

    High: 81 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: Showers, mainly after 8pm. Low around 45. Chance of precipitation is 90%.

    Low: 45 °F

    Showers

  • Sunday

    Sunday: A chance of showers before 2pm. Mostly cloudy, with a high near 51. Chance of precipitation is 40%.

    High: 51 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
Showers likely, with thunderstorms also possible after 5pm. Mostly cloudy, with a high near 57. North wind around 7 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and possibly a thunderstorm before 10pm, then a chance of showers and thunderstorms between 10pm and 11pm, then a chance of showers after 11pm. Low around 49. Northeast wind 3 to 6 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Thursday
Showers likely and possibly a thunderstorm before 10am, then a chance of showers and thunderstorms, mainly between 10am and 11am. Partly sunny, with a high near 78. Light and variable wind becoming south 5 to 10 mph in the morning. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 62. South wind 6 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 77. Southwest wind 9 to 14 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 60. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
Showers likely before 8am, then a chance of showers after 2pm. Partly sunny, with a high near 81. Chance of precipitation is 60%.
Saturday Night
Showers, mainly after 8pm. Low around 45. Chance of precipitation is 90%.
Sunday
A chance of showers before 2pm. Mostly cloudy, with a high near 51. Chance of precipitation is 40%.
Sunday Night
Mostly cloudy, with a low around 34.
Monday
Partly sunny, with a high near 51.
Monday Night
Mostly cloudy, with a low around 32.
Tuesday
Partly sunny, with a high near 46.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
New Castle Northwest PA
 41.04°N 80.33°W (Elev. 1175 ft)
Last Update:
2:47 pm EDT Apr 1, 2026
Forecast Valid:
4pm EDT Apr 1, 2026-6pm EDT Apr 7, 2026
 
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