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

58°F

14°C

Humidity 67%
Wind Speed SW 3 mph
Barometer 29.75 in (1009.0 mb)
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Last update 20 Mar 7:56 pm EDT
Extended Forecast for

4 Miles ESE Mercer PA

  • Tonight

    Tonight: A slight chance of showers before 9pm. Mostly cloudy, with a low around 35. West wind around 7 mph becoming north in the evening. Chance of precipitation is 20%.

    Low: 35 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 58. North wind around 6 mph becoming light and variable in the morning.

    High: 58 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 45. South wind 3 to 8 mph.

    Low: 45 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 72. Southwest wind 8 to 13 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 72 °F

    Partly Sunny
    then Chance
    Showers

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms, then showers likely after 8pm. Mostly cloudy, with a low around 33. North wind around 10 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 33 °F

    Showers
    Likely

  • Monday

    Monday: A chance of showers before 8am. Mostly cloudy, with a high near 42. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 42 °F

    Chance
    Showers then
    Partly Sunny

  • Monday Night

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

    Low: 23 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 49.

    High: 49 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 32.

    Low: 32 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A slight chance of showers before 9pm. Mostly cloudy, with a low around 35. West wind around 7 mph becoming north in the evening. Chance of precipitation is 20%.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 58. North wind around 6 mph becoming light and variable in the morning.
Saturday Night
Mostly cloudy, with a low around 45. South wind 3 to 8 mph.
Sunday
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 72. Southwest wind 8 to 13 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A chance of showers and thunderstorms, then showers likely after 8pm. Mostly cloudy, with a low around 33. North wind around 10 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Monday
A chance of showers before 8am. Mostly cloudy, with a high near 42. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
Mostly clear, with a low around 23.
Tuesday
Mostly sunny, with a high near 49.
Tuesday Night
Mostly cloudy, with a low around 32.
Wednesday
Mostly cloudy, with a high near 46.
Wednesday Night
Mostly cloudy, with a low around 30.
Thursday
A chance of rain. Partly sunny, with a high near 64. Chance of precipitation is 30%.
Thursday Night
Rain and snow likely. Mostly cloudy, with a low around 32. Chance of precipitation is 70%.
Friday
A chance of rain and snow. Mostly cloudy, with a high near 43. Chance of precipitation is 30%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ESE Mercer PA
 41.2°N 80.16°W (Elev. 1355 ft)
Last Update:
7:41 pm EDT Mar 20, 2026
Forecast Valid:
8pm EDT Mar 20, 2026-6pm EDT Mar 27, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation