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

62°F

17°C

Humidity 100%
Wind Speed Vrbl 6 mph
Barometer 29.80 in (1009.9 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 5 Nov 2:56 am EST
Extended Forecast for

Mercer PA

  • Overnight

    Overnight: A chance of rain. Mostly cloudy, with a steady temperature around 62. Southwest wind around 9 mph, with gusts as high as 22 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 62 °F

    Chance Rain

  • Thursday

    Thursday: A chance of rain before 7am. Mostly cloudy, then gradually becoming sunny, with a high near 66. Southwest wind 8 to 14 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 66 °F

    Chance Rain
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 44. Southwest wind 3 to 5 mph.

    Low: 44 °F

    Mostly Cloudy

  • Friday

    Friday: Rain likely after 10am. Mostly cloudy, with a high near 57. Southwest wind 5 to 9 mph becoming west in the afternoon. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 57 °F

    Rain Likely

  • Friday Night

    Friday Night: A chance of rain. Mostly cloudy, with a low around 34. West wind 5 to 7 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 34 °F

    Chance Rain

  • Saturday

    Saturday: Rain likely. Mostly cloudy, with a high near 51. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 51 °F

    Rain Likely

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 32.

    Low: 32 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 54.

    High: 54 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 31.

    Low: 31 °F

    Partly Cloudy

Detailed Forecast

Overnight
A chance of rain. Mostly cloudy, with a steady temperature around 62. Southwest wind around 9 mph, with gusts as high as 22 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
A chance of rain before 7am. Mostly cloudy, then gradually becoming sunny, with a high near 66. Southwest wind 8 to 14 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Mostly cloudy, with a low around 44. Southwest wind 3 to 5 mph.
Friday
Rain likely after 10am. Mostly cloudy, with a high near 57. Southwest wind 5 to 9 mph becoming west in the afternoon. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
A chance of rain. Mostly cloudy, with a low around 34. West wind 5 to 7 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Rain likely. Mostly cloudy, with a high near 51. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
Mostly cloudy, with a low around 32.
Sunday
Mostly sunny, with a high near 54.
Sunday Night
Partly cloudy, with a low around 31.
Monday
Mostly sunny, with a high near 56.
Monday Night
Mostly clear, with a low around 33.
Tuesday
Sunny, with a high near 61.
Tuesday Night
Mostly clear, with a low around 31.
Veterans Day
Mostly sunny, with a high near 55.
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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:
2:21 am EST Nov 5, 2026
Forecast Valid:
3am EST Nov 5, 2026-6pm EST Nov 11, 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