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.

Light Rain

39°F

4°C

Humidity 89%
Wind Speed W 12 G 17 mph
Barometer 30.05 in (1019.8 mb)
Dewpoint 36°F (2°C)
Visibility 8.00 mi
Wind Chill32°F (0°C)
Last update 14 Nov 3:56 pm EST
Extended Forecast for

Mercer PA

  • This Afternoon

    This Afternoon: Showers likely. Mostly cloudy, with a high near 40. West wind around 5 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 40 °F

    Showers
    Likely

  • Tonight

    Tonight: Rain showers before 4am, then snow showers likely. Low around 33. Northwest wind 6 to 13 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

    Low: 33 °F

    Showers then
    Rain/Snow

  • Sunday

    Sunday: A chance of rain and snow showers before 1pm, then a slight chance of rain showers between 1pm and 3pm. Mostly cloudy, with a high near 47. Northwest wind 5 to 10 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

    High: 47 °F

    Chance
    Rain/Snow
    then Chance
    Showers

  • Sunday Night

    Sunday Night: Cloudy, with a low around 32. Light northwest wind.

    Low: 32 °F

    Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 48. Calm wind becoming northwest around 6 mph in the afternoon.

    High: 48 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 25.

    Low: 25 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 52.

    High: 52 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 26.

    Low: 26 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 55.

    High: 55 °F

    Sunny

Detailed Forecast

This Afternoon
Showers likely. Mostly cloudy, with a high near 40. West wind around 5 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Rain showers before 4am, then snow showers likely. Low around 33. Northwest wind 6 to 13 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Sunday
A chance of rain and snow showers before 1pm, then a slight chance of rain showers between 1pm and 3pm. Mostly cloudy, with a high near 47. Northwest wind 5 to 10 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Sunday Night
Cloudy, with a low around 32. Light northwest wind.
Monday
Mostly cloudy, with a high near 48. Calm wind becoming northwest around 6 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 25.
Tuesday
Sunny, with a high near 52.
Tuesday Night
Clear, with a low around 26.
Wednesday
Sunny, with a high near 55.
Wednesday Night
Mostly clear, with a low around 28.
Thursday
Mostly sunny, with a high near 58.
Thursday Night
Partly cloudy, with a low around 37.
Friday
Partly sunny, with a high near 60.
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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:
4:31 pm EST Nov 14, 2026
Forecast Valid:
4pm EST Nov 14, 2026-6pm EST Nov 20, 2026
 
Forecast Discussion
 
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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