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

34°F

1°C

Humidity 100%
Wind Speed Calm
Barometer 30.36 in (1030.1 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 20 Oct 4:56 am EDT
Extended Forecast for

Mercer PA

  • Today

    Today: Patchy fog before 9am. Otherwise, sunny, with a high near 69. Calm wind becoming north 5 to 7 mph in the afternoon.

    High: 69 °F

    Patchy Fog
    then Sunny

  • Tonight

    Tonight: Patchy fog after 3am. Patchy frost after 5am. Otherwise, clear, with a low around 35. East wind around 6 mph.

    Low: 35 °F

    Clear then
    Patchy Frost
    and Patchy
    Fog

  • Wednesday

    Wednesday: Patchy fog before 9am. Patchy frost before 9am. Otherwise, sunny, with a high near 66. Light and variable wind.

    High: 66 °F

    Patchy Frost
    and Patchy
    Fog then
    Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog after 3am. Patchy frost after 5am. Otherwise, mostly clear, with a low around 35. Light north wind.

    Low: 35 °F

    Clear then
    Patchy Frost
    and Patchy
    Fog

  • Thursday

    Thursday: Patchy fog before 9am. Patchy frost before 9am. Otherwise, sunny, with a high near 67. Light north wind increasing to 5 to 10 mph in the afternoon.

    High: 67 °F

    Patchy Frost
    and Patchy
    Fog then
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 36.

    Low: 36 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 62.

    High: 62 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 34.

    Low: 34 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 62.

    High: 62 °F

    Sunny

Detailed Forecast

Today
Patchy fog before 9am. Otherwise, sunny, with a high near 69. Calm wind becoming north 5 to 7 mph in the afternoon.
Tonight
Patchy fog after 3am. Patchy frost after 5am. Otherwise, clear, with a low around 35. East wind around 6 mph.
Wednesday
Patchy fog before 9am. Patchy frost before 9am. Otherwise, sunny, with a high near 66. Light and variable wind.
Wednesday Night
Patchy fog after 3am. Patchy frost after 5am. Otherwise, mostly clear, with a low around 35. Light north wind.
Thursday
Patchy fog before 9am. Patchy frost before 9am. Otherwise, sunny, with a high near 67. Light north wind increasing to 5 to 10 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 36.
Friday
Sunny, with a high near 62.
Friday Night
Clear, with a low around 34.
Saturday
Sunny, with a high near 62.
Saturday Night
Mostly clear, with a low around 36.
Sunday
Sunny, with a high near 67.
Sunday Night
Partly cloudy, with a low around 41.
Monday
Mostly sunny, with a high near 67.
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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 EDT Oct 20, 2026
Forecast Valid:
5am EDT Oct 20, 2026-6pm EDT Oct 26, 2026
 
Forecast Discussion
 
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Additional Resources

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