National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

New Castle Municipal Airport (KUCP)

Lat: 41.02°NLon: 80.42°WElev: 1072ft.

Mostly Cloudy

62°F

17°C

Humidity 100%
Wind Speed Calm
Barometer 30.16 in (1022.3 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 3 Apr 9:56 pm EDT
Extended Forecast for

Mercer PA

  • Tonight

    Tonight: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 4am. Low around 58. Light and variable wind. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 58 °F

    Chance
    T-storms then
    Showers

  • Saturday

    Saturday: Showers and thunderstorms likely, mainly before noon. Partly sunny, with a high near 79. South wind 6 to 14 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 79 °F

    Showers
    Likely then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm. Low around 43. South wind around 10 mph becoming west after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 43 °F

    Showers

  • Sunday

    Sunday: A slight chance of showers before 2pm. Mostly cloudy, with a high near 49. West wind 10 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 20%.

    High: 49 °F

    Slight Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 33. West wind 8 to 11 mph, with gusts as high as 22 mph.

    Low: 33 °F

    Mostly Cloudy

  • Monday

    Monday: A chance of showers. Partly sunny, with a high near 49. Chance of precipitation is 30%.

    High: 49 °F

    Chance
    Showers

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 27.

    Low: 27 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 40.

    High: 40 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 23.

    Low: 23 °F

    Mostly Clear

Detailed Forecast

Tonight
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 4am. Low around 58. Light and variable wind. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
Showers and thunderstorms likely, mainly before noon. Partly sunny, with a high near 79. South wind 6 to 14 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Showers and possibly a thunderstorm. Low around 43. South wind around 10 mph becoming west after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Sunday
A slight chance of showers before 2pm. Mostly cloudy, with a high near 49. West wind 10 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 20%.
Sunday Night
Mostly cloudy, with a low around 33. West wind 8 to 11 mph, with gusts as high as 22 mph.
Monday
A chance of showers. Partly sunny, with a high near 49. Chance of precipitation is 30%.
Monday Night
Mostly cloudy, with a low around 27.
Tuesday
Partly sunny, with a high near 40.
Tuesday Night
Mostly clear, with a low around 23.
Wednesday
Mostly sunny, with a high near 58.
Wednesday Night
Partly cloudy, with a low around 40.
Thursday
Mostly sunny, with a high near 68.
Thursday Night
Mostly cloudy, with a low around 46.
Friday
Mostly sunny, with a high near 71.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mercer PA
 41.23°N 80.25°W (Elev. 1234 ft)
Last Update:
7:36 pm EDT Apr 3, 2026
Forecast Valid:
10pm EDT Apr 3, 2026-6pm EDT Apr 10, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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