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

39°F

4°C

Humidity 100%
Wind Speed S 7 mph
Barometer 30.17 in (1023.9 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Wind Chill34°F (1°C)
Last update 8 Jan 9:56 am EST
Extended Forecast for

4 Miles ESE Mercer PA

  • Today

    Today: Partly sunny, with a high near 48. Southeast wind 6 to 8 mph.

    High: 48 °F

    Partly Sunny

  • Tonight

    Tonight: A chance of rain after 4am. Cloudy, then gradually becoming partly cloudy, with a low around 41. Southeast wind 9 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 41 °F

    Mostly Cloudy
    then Chance
    Rain

  • Friday

    Friday: Rain, mainly after 7am. High near 58. South wind 11 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 58 °F

    Rain

  • Friday Night

    Friday Night: A chance of rain. Cloudy, with a low around 37. West wind 5 to 9 mph becoming east after midnight. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 37 °F

    Chance Rain

  • Saturday

    Saturday: Rain. High near 52. East wind 6 to 8 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 52 °F

    Rain

  • Saturday Night

    Saturday Night: A chance of rain before 1am, then a slight chance of snow. Mostly cloudy, with a low around 28. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 28 °F

    Chance Rain
    then Chance
    Rain/Snow

  • Sunday

    Sunday: Snow likely, mainly after 1pm. Partly sunny, with a high near 34. Chance of precipitation is 60%.

    High: 34 °F

    Snow Likely

  • Sunday Night

    Sunday Night: A chance of snow before 1am. Mostly cloudy, with a low around 21. Chance of precipitation is 30%.

    Low: 21 °F

    Chance Snow

  • Monday

    Monday: Partly sunny, with a high near 33.

    High: 33 °F

    Partly Sunny

Detailed Forecast

Today
Partly sunny, with a high near 48. Southeast wind 6 to 8 mph.
Tonight
A chance of rain after 4am. Cloudy, then gradually becoming partly cloudy, with a low around 41. Southeast wind 9 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Rain, mainly after 7am. High near 58. South wind 11 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
A chance of rain. Cloudy, with a low around 37. West wind 5 to 9 mph becoming east after midnight. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Rain. High near 52. East wind 6 to 8 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Saturday Night
A chance of rain before 1am, then a slight chance of snow. Mostly cloudy, with a low around 28. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Snow likely, mainly after 1pm. Partly sunny, with a high near 34. Chance of precipitation is 60%.
Sunday Night
A chance of snow before 1am. Mostly cloudy, with a low around 21. Chance of precipitation is 30%.
Monday
Partly sunny, with a high near 33.
Monday Night
Partly cloudy, with a low around 25.
Tuesday
Partly sunny, with a high near 39.
Tuesday Night
Mostly cloudy, with a low around 30.
Wednesday
A chance of rain and snow. Mostly cloudy, with a high near 37. Chance of precipitation is 50%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ESE Mercer PA
 41.2°N 80.16°W (Elev. 1355 ft)
Last Update:
8:49 am EST Jan 8, 2026
Forecast Valid:
10am EST Jan 8, 2026-6pm EST Jan 14, 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