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

67°F

19°C

Humidity 87%
Wind Speed NW 7 mph
Barometer 29.78 in (1008.9 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 29 Jul 2:56 am EDT
Extended Forecast for

Mercer PASimilar City Names

  • Overnight

    Overnight: Partly cloudy, with a low around 60. North wind around 7 mph.

    Low: 60 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 77. Northwest wind 9 to 14 mph.

    High: 77 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 56. Northwest wind 5 to 9 mph.

    Low: 56 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 79. Northwest wind 6 to 11 mph.

    High: 79 °F

    Sunny

  • Thursday Night

    Thursday Night: Patchy fog after 1am. Otherwise, mostly clear, with a low around 56. Northwest wind around 5 mph becoming calm in the evening.

    Low: 56 °F

    Mostly Clear
    then Patchy
    Fog

  • Friday

    Friday: Areas of fog before 9am. Otherwise, sunny, with a high near 83.

    High: 83 °F

    Areas Fog
    then Mostly
    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 62.

    Low: 62 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 84.

    High: 84 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms between 8pm and 2am, then showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 64. Chance of precipitation is 60%.

    Low: 64 °F

    Chance
    T-storms then
    Showers
    Likely

Detailed Forecast

Overnight
Partly cloudy, with a low around 60. North wind around 7 mph.
Wednesday
Partly sunny, with a high near 77. Northwest wind 9 to 14 mph.
Wednesday Night
Mostly clear, with a low around 56. Northwest wind 5 to 9 mph.
Thursday
Sunny, with a high near 79. Northwest wind 6 to 11 mph.
Thursday Night
Patchy fog after 1am. Otherwise, mostly clear, with a low around 56. Northwest wind around 5 mph becoming calm in the evening.
Friday
Areas of fog before 9am. Otherwise, sunny, with a high near 83.
Friday Night
Mostly cloudy, with a low around 62.
Saturday
Mostly cloudy, with a high near 84.
Saturday Night
A chance of showers and thunderstorms between 8pm and 2am, then showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 64. Chance of precipitation is 60%.
Sunday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 80. Chance of precipitation is 60%.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 63. Chance of precipitation is 40%.
Monday
A chance of showers and thunderstorms. Partly sunny, with a high near 83. Chance of precipitation is 30%.
Monday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 63. Chance of precipitation is 30%.
Tuesday
A chance of showers. Mostly sunny, with a high near 85. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mercer PASimilar City Names
 41.23°N 80.25°W (Elev. 1234 ft)
Last Update:
2:21 am EDT Jul 29, 2026
Forecast Valid:
3am EDT Jul 29, 2026-6pm EDT Aug 4, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation