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.

Overcast

40°F

4°C

Humidity 86%
Wind Speed Calm
Barometer 29.88 in (1013.7 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Last update 18 Feb 2:56 am EST
Extended Forecast for

4 Miles ESE Mercer PA

  • Overnight

    Overnight: A chance of rain, mainly after 4am. Mostly cloudy, with a low around 38. Southeast wind around 6 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 38 °F

    Chance Rain

  • Wednesday

    Wednesday: Rain with a chance of sprinkles before 4pm, then a chance of sprinkles with a slight chance of rain after 5pm. High near 55. South wind 8 to 11 mph becoming southwest in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 55 °F

    Rain

  • Wednesday Night

    Wednesday Night: A slight chance of rain before 8pm. Mostly cloudy, with a low around 41. Southwest wind 5 to 7 mph becoming light and variable after midnight. Chance of precipitation is 20%.

    Low: 41 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Thursday

    Thursday: A chance of sprinkles with a slight chance of rain before 1pm, then a chance of rain after 1pm. Mostly cloudy, with a high near 56. Southeast wind 5 to 9 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    High: 56 °F

    Slight Chance
    Rain then
    Chance Rain

  • Thursday Night

    Thursday Night: Rain. Low around 40. Southeast wind 10 to 13 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 40 °F

    Rain

  • Friday

    Friday: Rain likely, mainly before 1pm. Partly sunny, with a high near 55. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 55 °F

    Rain Likely

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 30.

    Low: 30 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 42.

    High: 42 °F

    Mostly Sunny

  • Saturday Night

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

    Low: 28 °F

    Mostly Cloudy
    then Chance
    Snow

Detailed Forecast

Overnight
A chance of rain, mainly after 4am. Mostly cloudy, with a low around 38. Southeast wind around 6 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Rain with a chance of sprinkles before 4pm, then a chance of sprinkles with a slight chance of rain after 5pm. High near 55. South wind 8 to 11 mph becoming southwest in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
A slight chance of rain before 8pm. Mostly cloudy, with a low around 41. Southwest wind 5 to 7 mph becoming light and variable after midnight. Chance of precipitation is 20%.
Thursday
A chance of sprinkles with a slight chance of rain before 1pm, then a chance of rain after 1pm. Mostly cloudy, with a high near 56. Southeast wind 5 to 9 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Rain. Low around 40. Southeast wind 10 to 13 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Friday
Rain likely, mainly before 1pm. Partly sunny, with a high near 55. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
Mostly cloudy, with a low around 30.
Saturday
Mostly sunny, with a high near 42.
Saturday Night
A chance of snow after 1am. Mostly cloudy, with a low around 28. Chance of precipitation is 40%.
Sunday
Snow likely. Mostly cloudy, with a high near 36. Chance of precipitation is 70%.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 21. Chance of precipitation is 50%.
Monday
A chance of snow. Mostly cloudy, with a high near 30. Chance of precipitation is 30%.
Monday Night
Mostly cloudy, with a low around 12.
Tuesday
Partly sunny, with a high near 26.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ESE Mercer PA
 41.2°N 80.16°W (Elev. 1355 ft)
Last Update:
1:21 am EST Feb 18, 2026
Forecast Valid:
3am EST Feb 18, 2026-6pm EST Feb 24, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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