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.

Mostly Cloudy

70°F

21°C

Humidity 100%
Wind Speed Calm
Barometer 29.96 in (1015.2 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Last update 13 Aug 10:56 pm EDT
Extended Forecast for

3 Miles ENE Mercer PA

  • Tonight

    Tonight: Areas of fog after 2am. Otherwise, mostly cloudy, with a low around 64. Calm wind.

    Low: 64 °F

    Areas Fog

  • Thursday

    Thursday: Patchy fog before 7am. Otherwise, mostly sunny, with a high near 84. Calm wind becoming north 5 to 7 mph in the morning.

    High: 84 °F

    Patchy Fog
    then Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 59. North wind around 5 mph becoming calm in the evening.

    Low: 59 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 87. Calm wind.

    High: 87 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 61. Calm wind.

    Low: 61 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 89.

    High: 89 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 65.

    Low: 65 °F

    Mostly Clear

  • Sunday

    Sunday: A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 88. Chance of precipitation is 40%.

    High: 88 °F

    Mostly Sunny
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 64. Chance of precipitation is 30%.

    Low: 64 °F

    Chance
    T-storms then
    Partly Cloudy

Detailed Forecast

Tonight
Areas of fog after 2am. Otherwise, mostly cloudy, with a low around 64. Calm wind.
Thursday
Patchy fog before 7am. Otherwise, mostly sunny, with a high near 84. Calm wind becoming north 5 to 7 mph in the morning.
Thursday Night
Mostly clear, with a low around 59. North wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 87. Calm wind.
Friday Night
Mostly clear, with a low around 61. Calm wind.
Saturday
Sunny, with a high near 89.
Saturday Night
Mostly clear, with a low around 65.
Sunday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 88. Chance of precipitation is 40%.
Sunday Night
A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 64. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 86.
Monday Night
Partly cloudy, with a low around 62.
Tuesday
A chance of showers. Mostly sunny, with a high near 85. Chance of precipitation is 30%.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 61. Chance of precipitation is 30%.
Wednesday
Mostly sunny, with a high near 79.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ENE Mercer PA
 41.25°N 80.19°W (Elev. 1158 ft)
Last Update:
10:34 pm EDT Aug 13, 2025
Forecast Valid:
11pm EDT Aug 13, 2025-6pm EDT Aug 20, 2025
 
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Additional Resources

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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