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

3 Miles WSW Mercer PA

  • Veterans Day

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

    High: 58 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Tonight

    Tonight: Rain. Low around 40. Calm wind becoming northeast around 5 mph after midnight. 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 chance of rain after 4pm. High near 48. North wind 6 to 14 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 48 °F

    Rain

  • Thursday Night

    Thursday Night: Rain likely before 4am, then a slight chance of snow. Mostly cloudy, with a low around 28. North wind 8 to 11 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 42. Northwest wind 8 to 13 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.

    High: 42 °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 43. Chance of precipitation is 40%.

    High: 43 °F

    Chance
    Rain/Snow

  • Saturday Night

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

    Low: 30 °F

    Chance Rain

  • Sunday

    Sunday: Mostly cloudy, with a high near 46.

    High: 46 °F

    Mostly Cloudy

Detailed Forecast

Veterans Day
Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 58. Calm wind becoming south around 5 mph.
Tonight
Rain. Low around 40. Calm wind becoming northeast around 5 mph after midnight. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Rain before 3pm, then a chance of rain after 4pm. High near 48. North wind 6 to 14 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Rain likely before 4am, then a slight chance of snow. Mostly cloudy, with a low around 28. North wind 8 to 11 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 42. Northwest wind 8 to 13 mph. Chance of precipitation is 40%. 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 43. Chance of precipitation is 40%.
Saturday Night
A chance of rain before 1am. Mostly cloudy, with a low around 30. 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 47.
Monday Night
Patchy fog. Otherwise, mostly cloudy, with a low around 27.
Tuesday
Patchy fog. Otherwise, partly sunny, with a high near 48.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WSW Mercer PA
 41.21°N 80.28°W (Elev. 1132 ft)
Last Update:
1:21 am EST Nov 11, 2026
Forecast Valid:
5am EST Nov 11, 2026-6pm EST Nov 17, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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