Current conditions at

New Castle Municipal Airport (KUCP)

Lat: 41.02°NLon: 80.42°WElev: 1072ft.

Fair

86°F

30°C

Humidity 65%
Wind Speed Vrbl 7 mph
Barometer 30.00 in (1016.2 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index93°F (34°C)
Last update 3 Sep 2:56 pm EDT
Extended Forecast for

Mercer PA

Flood Watch until September 4, 12:00am
Severe T-storm Watch until September 3, 10:00pm
Click here for hazard details and duration
Flood Watch
Severe T-storm Watch
  •  
    Flood Watch until September 4, 12:00am
    Severe T-storm Watch until September 3, 10:00pm

    NOW: Multiple hazards in effect

    Click HERE for Details

  • This Afternoon

    High: 87 °F

    Severe
    Thunderstorms

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly before 10pm, then showers likely and possibly a thunderstorm after 5am. Some of the storms could be severe.  Mostly cloudy, with a low around 67. Light and variable wind.  Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 67 °F

    Severe
    Thunderstorms
    then Showers
    Likely

  • Friday

    Friday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 3pm.  Patchy fog before 10am.  Otherwise, mostly cloudy, with a high near 82. Calm wind becoming west 5 to 7 mph in the morning.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 82 °F

    Showers
    Likely and
    Patchy Fog

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 2am, then a chance of showers after 3am.  Mostly cloudy, with a low around 63. Northwest wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 40%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 63 °F

    Chance
    T-storms then
    Chance
    Showers

  • Saturday

    Saturday: A chance of showers, mainly before 7am.  Partly sunny, with a high near 79. Calm wind becoming north 5 to 8 mph in the morning.  Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 79 °F

    Chance
    Showers then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 54.

    Low: 54 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 54.

    Low: 54 °F

    Mostly Clear

Detailed Forecast

This Afternoon
A chance of showers and thunderstorms, mainly after 4pm. Some of the storms could be severe. Partly sunny, with a high near 87. West wind around 9 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms likely, mainly before 10pm, then showers likely and possibly a thunderstorm after 5am. Some of the storms could be severe. Mostly cloudy, with a low around 67. Light and variable wind. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Friday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 3pm. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 82. Calm wind becoming west 5 to 7 mph in the morning. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
A chance of showers and thunderstorms before 2am, then a chance of showers after 3am. Mostly cloudy, with a low around 63. Northwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%. New precipitation amounts between a quarter and half of an inch possible.
Saturday
A chance of showers, mainly before 7am. Partly sunny, with a high near 79. Calm wind becoming north 5 to 8 mph in the morning. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
Mostly clear, with a low around 54.
Sunday
Sunny, with a high near 78.
Sunday Night
Mostly clear, with a low around 54.
Labor Day
Sunny, with a high near 78.
Monday Night
Partly cloudy, with a low around 56.
Tuesday
Mostly sunny, with a high near 80.
Tuesday Night
Mostly cloudy, with a low around 62.
Wednesday
A chance of showers. Partly sunny, with a high near 83. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
Mercer PA
 41.23°N 80.25°W (Elev. 1234 ft)
3:06 pm EDT Sep 3, 2026
3pm EDT Sep 3, 2026-6pm EDT Sep 9, 2026
 
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Additional Resources

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