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 76%
Wind Speed Calm
Barometer 29.93 in (1015.9 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 14 Nov 10:56 pm EST
Extended Forecast for

Mercer PA

  • Tonight

    Tonight: Patchy fog between 2am and 3am. Otherwise, mostly cloudy, with a low around 35. Calm wind.

    Low: 35 °F

    Patchy Fog

  • Saturday

    Saturday: A slight chance of rain before 8am, then rain likely after 11am. Cloudy, with a high near 60. Southwest wind 6 to 14 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 60 °F

    Rain Likely

  • Saturday Night

    Saturday Night: Rain and thunderstorms before 10pm, then a chance of rain between 10pm and 11pm. Low around 35. Northwest wind around 15 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 35 °F

    Rain then
    Mostly Cloudy

  • Sunday

    Sunday: A chance of rain and snow before 4pm, then a chance of snow. Mostly cloudy, with a high near 43. Northwest wind 14 to 18 mph, with gusts as high as 32 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.

    High: 43 °F

    Chance
    Rain/Snow

  • Sunday Night

    Sunday Night: A chance of snow, mainly before 1am. Mostly cloudy, with a low around 29. West wind around 14 mph, with gusts as high as 24 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 29 °F

    Chance Snow

  • Monday

    Monday: A slight chance of snow before 1pm. Mostly cloudy, with a high near 41. Chance of precipitation is 20%.

    High: 41 °F

    Slight Chance
    Snow

  • Monday Night

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

    Low: 25 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A chance of rain and snow before 1pm, then a chance of rain. Mostly cloudy, with a high near 42. Chance of precipitation is 40%.

    High: 42 °F

    Chance
    Rain/Snow

  • Tuesday Night

    Tuesday Night: A chance of rain before 1am. Patchy fog between 10pm and midnight. Otherwise, mostly cloudy, with a low around 27. Chance of precipitation is 30%.

    Low: 27 °F

    Chance Rain
    and Patchy
    Fog

Detailed Forecast

Tonight
Patchy fog between 2am and 3am. Otherwise, mostly cloudy, with a low around 35. Calm wind.
Saturday
A slight chance of rain before 8am, then rain likely after 11am. Cloudy, with a high near 60. Southwest wind 6 to 14 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
Rain and thunderstorms before 10pm, then a chance of rain between 10pm and 11pm. Low around 35. Northwest wind around 15 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
A chance of rain and snow before 4pm, then a chance of snow. Mostly cloudy, with a high near 43. Northwest wind 14 to 18 mph, with gusts as high as 32 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Sunday Night
A chance of snow, mainly before 1am. Mostly cloudy, with a low around 29. West wind around 14 mph, with gusts as high as 24 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Monday
A slight chance of snow before 1pm. Mostly cloudy, with a high near 41. Chance of precipitation is 20%.
Monday Night
Mostly cloudy, with a low around 25.
Tuesday
A chance of rain and snow before 1pm, then a chance of rain. Mostly cloudy, with a high near 42. Chance of precipitation is 40%.
Tuesday Night
A chance of rain before 1am. Patchy fog between 10pm and midnight. Otherwise, mostly cloudy, with a low around 27. Chance of precipitation is 30%.
Wednesday
Partly sunny, with a high near 48.
Wednesday Night
Mostly cloudy, with a low around 34.
Thursday
A chance of rain. Partly sunny, with a high near 54. Chance of precipitation is 50%.
Thursday Night
Rain likely. Mostly cloudy, with a low around 39. Chance of precipitation is 70%.
Friday
Rain likely. Mostly cloudy, with a high near 55. Chance of precipitation is 70%.
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ABOUT THIS FORECAST

 
Point Forecast:
Mercer PA
 41.23°N 80.22°W (Elev. 1102 ft)
Last Update:
10:59 pm EST Nov 14, 2025
Forecast Valid:
11pm EST Nov 14, 2025-6pm EST Nov 21, 2025
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation