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.

Fog

64°F

18°C

Humidity 100%
Wind Speed W 3 mph
Barometer 30.04 in (1018.4 mb)
Dewpoint 64°F (18°C)
Visibility 0.50 mi
Last update 25 May 12:56 am EDT
Extended Forecast for

3 Miles S Mercer PA

  • Overnight

    Overnight: A chance of showers, mainly before 2am. Areas of fog. Otherwise, cloudy, with a low around 59. Light and variable wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 59 °F

    Chance
    Showers and
    Areas Fog

  • Memorial Day

    Memorial Day: Patchy fog before 7am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 77. North wind 5 to 7 mph.

    High: 77 °F

    Patchy Fog
    then Partly
    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 53. Light and variable wind.

    Low: 53 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 84. Light and variable wind.

    High: 84 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 59. Calm wind.

    Low: 59 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 84.

    High: 84 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 58.

    Low: 58 °F

    Mostly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 51.

    Low: 51 °F

    Mostly Clear

Detailed Forecast

Overnight
A chance of showers, mainly before 2am. Areas of fog. Otherwise, cloudy, with a low around 59. Light and variable wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Memorial Day
Patchy fog before 7am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 77. North wind 5 to 7 mph.
Monday Night
Partly cloudy, with a low around 53. Light and variable wind.
Tuesday
Mostly sunny, with a high near 84. Light and variable wind.
Tuesday Night
Mostly cloudy, with a low around 59. Calm wind.
Wednesday
Mostly cloudy, with a high near 84.
Wednesday Night
Mostly cloudy, with a low around 58.
Thursday
Sunny, with a high near 78.
Thursday Night
Mostly clear, with a low around 51.
Friday
Sunny, with a high near 77.
Friday Night
Partly cloudy, with a low around 50.
Saturday
Mostly sunny, with a high near 75.
Saturday Night
Partly cloudy, with a low around 52.
Sunday
Mostly sunny, with a high near 75.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles S Mercer PA
 41.18°N 80.23°W (Elev. 1083 ft)
Last Update:
12:58 am EDT May 25, 2026
Forecast Valid:
1am EDT May 25, 2026-6pm EDT May 31, 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