Current conditions at

New Castle Municipal Airport (KUCP)

Lat: 41.02°NLon: 80.42°WElev: 1072ft.

Overcast

77°F

25°C

Humidity 85%
Wind Speed Calm
Barometer 29.71 in (1006.7 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 2 Aug 5:56 pm EDT
Extended Forecast for

3 Miles S Mercer PA

Flood Watch August 2, 06:28pm until August 3, 12:00am
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch August 2, 06:28pm until August 3, 12:00am

    NOW until 12:00am Mon

    Flood Watch

  • Tonight

    Low: 62 °F

    T-storms then
    Chance
    Showers

  • Monday

    Monday: Cloudy through mid morning, then gradual clearing, with a high near 78. North wind 7 to 9 mph.

    High: 78 °F

    Gradual
    Clearing

  • Monday Night

    Monday Night: Patchy fog after midnight.  Otherwise, mostly clear, with a low around 55. North wind around 6 mph becoming calm  in the evening.

    Low: 55 °F

    Mostly Clear
    then Patchy
    Fog

  • Tuesday

    Tuesday: Mostly sunny, with a high near 83. Calm wind becoming east around 5 mph in the afternoon.

    High: 83 °F

    Mostly Sunny

  • Tuesday Night

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

    Low: 61 °F

    Mostly Clear

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after 11am.  Partly sunny, with a high near 84. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 84 °F

    Chance
    Showers then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 64. Chance of precipitation is 40%.

    Low: 64 °F

    Chance
    T-storms

  • Thursday

    Thursday: A chance of showers, with thunderstorms also possible after 2pm.  Partly sunny, with a high near 84. Chance of precipitation is 50%.

    High: 84 °F

    Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

Tonight
Showers and thunderstorms, mainly before 10pm. Low around 62. South wind 5 to 7 mph becoming calm. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Monday
Cloudy through mid morning, then gradual clearing, with a high near 78. North wind 7 to 9 mph.
Monday Night
Patchy fog after midnight. Otherwise, mostly clear, with a low around 55. North wind around 6 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 83. Calm wind becoming east around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 61. Calm wind.
Wednesday
A chance of showers, with thunderstorms also possible after 11am. Partly sunny, with a high near 84. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Chance of precipitation is 40%.
Thursday
A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 84. Chance of precipitation is 50%.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 65. Chance of precipitation is 40%.
Friday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 82. Chance of precipitation is 60%.
Friday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 65. Chance of precipitation is 60%.
Saturday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 84. Chance of precipitation is 50%.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 65. Chance of precipitation is 30%.
Sunday
A chance of showers and thunderstorms. Partly sunny, with a high near 85. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles S Mercer PA
 41.18°N 80.25°W (Elev. 1171 ft)
2:21 pm EDT Aug 2, 2026
6pm EDT Aug 2, 2026-6pm EDT Aug 9, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database