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

37°F

3°C

Humidity 93%
Wind Speed Calm
Barometer 30.02 in (1018.5 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Last update 10 Nov 11:56 pm EST
Extended Forecast for

Mercer PA

  • Overnight

    Overnight: Areas of fog. Otherwise, partly cloudy, with a low around 33. Calm wind.

    Low: 33 °F

    Areas Fog

  • Veterans Day

    Veterans Day: Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 57. Calm wind becoming southwest around 5 mph.

    High: 57 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Wednesday Night

    Wednesday Night: Rain, mainly after 11pm. Low around 40. Light east wind. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 40 °F

    Rain Likely
    then Rain

  • Thursday

    Thursday: Rain likely. Cloudy, with a high near 48. North wind 5 to 14 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 48 °F

    Rain Likely

  • Thursday Night

    Thursday Night: A chance of rain before 4am, then a chance of snow. Cloudy, with a low around 28. North wind 8 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.

    Low: 28 °F

    Chance Rain
    then Chance
    Rain/Snow

  • Friday

    Friday: A chance of snow before 7am, then a chance of rain and snow. Cloudy, with a high near 42. Chance of precipitation is 40%.

    High: 42 °F

    Chance
    Rain/Snow

  • Friday Night

    Friday Night: A chance of snow. Mostly cloudy, with a low around 26. Chance of precipitation is 30%.

    Low: 26 °F

    Chance Snow

  • Saturday

    Saturday: A chance of snow before 10am, then a chance of rain and snow between 10am and 1pm, then a chance of rain after 1pm. Mostly cloudy, with a high near 42. Chance of precipitation is 50%.

    High: 42 °F

    Chance
    Rain/Snow

  • Saturday Night

    Saturday Night: A chance of rain before 1am. Mostly cloudy, with a low around 28. Chance of precipitation is 40%.

    Low: 28 °F

    Chance Rain

Detailed Forecast

Overnight
Areas of fog. Otherwise, partly cloudy, with a low around 33. Calm wind.
Veterans Day
Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 57. Calm wind becoming southwest around 5 mph.
Wednesday Night
Rain, mainly after 11pm. Low around 40. Light east wind. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
Rain likely. Cloudy, with a high near 48. North wind 5 to 14 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
A chance of rain before 4am, then a chance of snow. Cloudy, with a low around 28. North wind 8 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Friday
A chance of snow before 7am, then a chance of rain and snow. Cloudy, with a high near 42. Chance of precipitation is 40%.
Friday Night
A chance of snow. Mostly cloudy, with a low around 26. Chance of precipitation is 30%.
Saturday
A chance of snow before 10am, then a chance of rain and snow between 10am and 1pm, then a chance of rain after 1pm. Mostly cloudy, with a high near 42. Chance of precipitation is 50%.
Saturday Night
A chance of rain before 1am. Mostly cloudy, with a low around 28. Chance of precipitation is 40%.
Sunday
Mostly cloudy, with a high near 44.
Sunday Night
Patchy fog. Otherwise, mostly cloudy, with a low around 27.
Monday
Areas of fog. Otherwise, mostly cloudy, with a high near 47.
Monday Night
Patchy fog. Otherwise, mostly cloudy, with a low around 27.
Tuesday
Patchy fog. Otherwise, mostly 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:
9:01 pm EST Nov 10, 2026
Forecast Valid:
12am EST Nov 11, 2026-6pm EST Nov 17, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation