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

31°F

-1°C

Humidity 100%
Wind Speed Calm
Barometer 29.98 in (1017.4 mb)
Dewpoint 31°F (-1°C)
Visibility 8.00 mi
Last update 11 Nov 4:56 am EST
Extended Forecast for

4 Miles S Mercer PA

  • Veterans Day

    Veterans Day: Areas of fog before 9am. Otherwise, mostly cloudy, with a high near 58. Calm wind becoming south around 5 mph.

    High: 58 °F

    Areas Fog
    then Mostly
    Cloudy

  • Tonight

    Tonight: Rain. Low around 40. Light east wind. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 40 °F

    Rain

  • Thursday

    Thursday: Rain before 3pm, then a slight chance of rain after 4pm. High near 49. North wind 5 to 13 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 49 °F

    Rain

  • Thursday Night

    Thursday Night: Rain likely before 1am, then a slight chance of snow. Mostly cloudy, with a low around 28. North wind 8 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    Low: 28 °F

    Rain Likely
    then Chance
    Rain/Snow

  • Friday

    Friday: A chance of snow before 10am, then a chance of rain between 10am and 4pm, then a chance of snow after 4pm. Mostly cloudy, with a high near 43. Northwest wind 8 to 11 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

    High: 43 °F

    Chance
    Rain/Snow

  • Friday Night

    Friday Night: A chance of snow, mainly before 1am. Mostly cloudy, with a low around 26. Chance of precipitation is 30%.

    Low: 26 °F

    Chance Snow

  • Saturday

    Saturday: A chance of rain and snow before 1pm, then a chance of rain. Mostly cloudy, with a high near 44. Chance of precipitation is 40%.

    High: 44 °F

    Chance
    Rain/Snow

  • Saturday Night

    Saturday Night: A chance of rain before 1am. Mostly cloudy, with a low around 29. Chance of precipitation is 30%.

    Low: 29 °F

    Chance Rain

  • Sunday

    Sunday: Mostly cloudy, with a high near 46.

    High: 46 °F

    Mostly Cloudy

Detailed Forecast

Veterans Day
Areas of fog before 9am. Otherwise, mostly cloudy, with a high near 58. Calm wind becoming south around 5 mph.
Tonight
Rain. Low around 40. Light east wind. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Rain before 3pm, then a slight chance of rain after 4pm. High near 49. North wind 5 to 13 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Rain likely before 1am, then a slight chance of snow. Mostly cloudy, with a low around 28. North wind 8 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Friday
A chance of snow before 10am, then a chance of rain between 10am and 4pm, then a chance of snow after 4pm. Mostly cloudy, with a high near 43. Northwest wind 8 to 11 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Friday Night
A chance of snow, mainly before 1am. Mostly cloudy, with a low around 26. Chance of precipitation is 30%.
Saturday
A chance of rain and snow before 1pm, then a chance of rain. Mostly cloudy, with a high near 44. Chance of precipitation is 40%.
Saturday Night
A chance of rain before 1am. Mostly cloudy, with a low around 29. Chance of precipitation is 30%.
Sunday
Mostly cloudy, with a high near 46.
Sunday Night
Patchy fog after 9pm. Otherwise, mostly cloudy, with a low around 29.
Monday
Areas of fog. Otherwise, partly sunny, with a high near 48.
Monday Night
Areas of fog. Otherwise, partly cloudy, with a low around 27.
Tuesday
Patchy fog. Otherwise, mostly sunny, with a high near 49.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles S Mercer PA
 41.16°N 80.23°W (Elev. 1089 ft)
Last Update:
1:21 am EST Nov 11, 2026
Forecast Valid:
5am EST Nov 11, 2026-6pm EST Nov 17, 2026
 
Forecast Discussion
 
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Additional Resources

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