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

33°F

1°C

Humidity 43%
Wind Speed Vrbl 6 mph
Barometer 30.20 in (1025.8 mb)
Dewpoint 13°F (-11°C)
Visibility 10.00 mi
Wind Chill27°F (-3°C)
Last update 18 Mar 3:56 pm EDT
Extended Forecast for

4 Miles ESE Mercer PA

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 36. South wind around 10 mph.

    High: 36 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 28. South wind 6 to 8 mph.

    Low: 28 °F

    Mostly Cloudy

  • Thursday

    Thursday: A slight chance of rain before 3pm, then a slight chance of rain after 5pm. Mostly cloudy, with a high near 47. South wind around 7 mph. Chance of precipitation is 20%.

    High: 47 °F

    Slight Chance
    Rain

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 31. Light and variable wind.

    Low: 31 °F

    Mostly Cloudy

  • Friday

    Friday: A chance of rain, mainly after 2pm. Mostly cloudy, with a high near 57. Southeast wind 6 to 10 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    High: 57 °F

    Slight Chance
    Rain then
    Chance Rain

  • Friday Night

    Friday Night: A chance of rain, mainly before 2am. Mostly cloudy, with a low around 39. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 39 °F

    Chance Rain

  • Saturday

    Saturday: Mostly cloudy, with a high near 61.

    High: 61 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 43.

    Low: 43 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of rain. Mostly cloudy, with a high near 64. Chance of precipitation is 40%.

    High: 64 °F

    Chance Rain

Detailed Forecast

This Afternoon
Partly sunny, with a high near 36. South wind around 10 mph.
Tonight
Mostly cloudy, with a low around 28. South wind 6 to 8 mph.
Thursday
A slight chance of rain before 3pm, then a slight chance of rain after 5pm. Mostly cloudy, with a high near 47. South wind around 7 mph. Chance of precipitation is 20%.
Thursday Night
Mostly cloudy, with a low around 31. Light and variable wind.
Friday
A chance of rain, mainly after 2pm. Mostly cloudy, with a high near 57. Southeast wind 6 to 10 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
A chance of rain, mainly before 2am. Mostly cloudy, with a low around 39. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
Mostly cloudy, with a high near 61.
Saturday Night
Mostly cloudy, with a low around 43.
Sunday
A chance of rain. Mostly cloudy, with a high near 64. Chance of precipitation is 40%.
Sunday Night
A chance of rain before 2am. Mostly cloudy, with a low around 29. Chance of precipitation is 30%.
Monday
Partly sunny, with a high near 42.
Monday Night
Partly cloudy, with a low around 23.
Tuesday
Partly sunny, with a high near 48.
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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:
2:21 pm EDT Mar 18, 2026
Forecast Valid:
4pm EDT Mar 18, 2026-6pm EDT Mar 24, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation