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

42°F

6°C

Humidity 76%
Wind Speed Vrbl 7 mph
Barometer 30.05 in (1019.8 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Wind Chill38°F (3°C)
Last update 8 Nov 8:56 am EST
Extended Forecast for

Mercer PA

  • Today

    Today: Sunny, with a high near 56. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 56 °F

    Sunny

  • Tonight

    Tonight: A chance of rain before 2am, then a chance of rain after 4am. Mostly cloudy, with a low around 38. West wind 9 to 11 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 38 °F

    Mostly Cloudy
    then Chance
    Rain

  • Monday

    Monday: Mostly cloudy, with a high near 54. Northwest wind 10 to 14 mph.

    High: 54 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 32. Calm wind becoming southwest 5 to 7 mph after midnight.

    Low: 32 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 61. West wind 8 to 11 mph.

    High: 61 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 33.

    Low: 33 °F

    Mostly Clear

  • Veterans Day

    Veterans Day: Mostly sunny, with a high near 57.

    High: 57 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A chance of rain after 1am. Mostly cloudy, with a low around 35. Chance of precipitation is 30%.

    Low: 35 °F

    Mostly Cloudy
    then Chance
    Rain

  • Thursday

    Thursday: Rain likely, mainly after 1pm. Mostly cloudy, with a high near 50. Chance of precipitation is 60%.

    High: 50 °F

    Rain Likely

Detailed Forecast

Today
Sunny, with a high near 56. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Tonight
A chance of rain before 2am, then a chance of rain after 4am. Mostly cloudy, with a low around 38. West wind 9 to 11 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Monday
Mostly cloudy, with a high near 54. Northwest wind 10 to 14 mph.
Monday Night
Mostly cloudy, with a low around 32. Calm wind becoming southwest 5 to 7 mph after midnight.
Tuesday
Sunny, with a high near 61. West wind 8 to 11 mph.
Tuesday Night
Mostly clear, with a low around 33.
Veterans Day
Mostly sunny, with a high near 57.
Wednesday Night
A chance of rain after 1am. Mostly cloudy, with a low around 35. Chance of precipitation is 30%.
Thursday
Rain likely, mainly after 1pm. Mostly cloudy, with a high near 50. Chance of precipitation is 60%.
Thursday Night
A chance of rain before 10pm, then a chance of rain and snow. Mostly cloudy, with a low around 28. Chance of precipitation is 40%.
Friday
A chance of rain and snow. Mostly cloudy, with a high near 44. Chance of precipitation is 30%.
Friday Night
Mostly cloudy, with a low around 27.
Saturday
Partly sunny, with a high near 48.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mercer PA
 41.23°N 80.25°W (Elev. 1234 ft)
Last Update:
5:41 am EST Nov 8, 2026
Forecast Valid:
9am EST Nov 8, 2026-6pm EST Nov 14, 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