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

41°F

5°C

Humidity 47%
Wind Speed S 7 mph
Barometer 30.42 in (1032.6 mb)
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Wind Chill36°F (2°C)
Last update 29 Mar 9:56 am EDT
Extended Forecast for

4 Miles ESE Mercer PA

  • Today

    Today: Partly sunny, with a high near 56. Southwest wind 7 to 10 mph.

    High: 56 °F

    Partly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 43. South wind 6 to 9 mph.

    Low: 43 °F

    Partly Cloudy

  • Monday

    Monday: A slight chance of rain after 2pm. Mostly cloudy, with a high near 64. Southwest wind 10 to 13 mph. Chance of precipitation is 20%.

    High: 64 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Monday Night

    Monday Night: A slight chance of rain and thunderstorms, then rain likely and possibly a thunderstorm after 8pm. Mostly cloudy, with a low around 55. Southwest wind 8 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 55 °F

    Rain Likely

  • Tuesday

    Tuesday: A chance of rain, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 73. Southwest wind 14 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 73 °F

    Chance Rain

  • Tuesday Night

    Tuesday Night: A chance of rain and thunderstorms, then rain likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 50. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 50 °F

    Chance
    T-storms then
    Rain Likely

  • Wednesday

    Wednesday: Rain likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 61. Chance of precipitation is 70%.

    High: 61 °F

    Rain Likely

  • Wednesday Night

    Wednesday Night: A chance of rain and thunderstorms. Mostly cloudy, with a low around 39. Chance of precipitation is 50%.

    Low: 39 °F

    Chance
    T-storms then
    Chance Rain

  • Thursday

    Thursday: Rain likely, mainly after 2pm. Mostly cloudy, with a high near 63. Chance of precipitation is 60%.

    High: 63 °F

    Rain Likely

Detailed Forecast

Today
Partly sunny, with a high near 56. Southwest wind 7 to 10 mph.
Tonight
Partly cloudy, with a low around 43. South wind 6 to 9 mph.
Monday
A slight chance of rain after 2pm. Mostly cloudy, with a high near 64. Southwest wind 10 to 13 mph. Chance of precipitation is 20%.
Monday Night
A slight chance of rain and thunderstorms, then rain likely and possibly a thunderstorm after 8pm. Mostly cloudy, with a low around 55. Southwest wind 8 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
A chance of rain, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 73. Southwest wind 14 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
A chance of rain and thunderstorms, then rain likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 50. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
Rain likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 61. Chance of precipitation is 70%.
Wednesday Night
A chance of rain and thunderstorms. Mostly cloudy, with a low around 39. Chance of precipitation is 50%.
Thursday
Rain likely, mainly after 2pm. Mostly cloudy, with a high near 63. Chance of precipitation is 60%.
Thursday Night
Rain likely. Mostly cloudy, with a low around 44. Chance of precipitation is 70%.
Friday
Rain likely. Mostly cloudy, with a high near 67. Chance of precipitation is 70%.
Friday Night
A chance of rain. Mostly cloudy, with a low around 52. Chance of precipitation is 50%.
Saturday
Rain likely. Mostly cloudy, with a high near 72. Chance of precipitation is 60%.
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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:
7:26 am EDT Mar 29, 2026
Forecast Valid:
10am EDT Mar 29, 2026-6pm EDT Apr 4, 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