October Heat Wave in California; Tropical Cyclone Possible in the Gulf

Much higher than typical October temperatures will continue across coastal southern California up through the Bay Area and Central Valley through midweek resulting in result in Major to Extreme HeatRisk. A tropical depression is likely to form over the Gulf of America during the middle part of this week with further strengthening possible as it moves northeastward later this week. Read More >

Current conditions at

New Castle Municipal Airport (KUCP)

Lat: 41.02°NLon: 80.42°WElev: 1072ft.

Fair

62°F

17°C

Humidity 40%
Wind Speed Vrbl 5 mph
Barometer 30.15 in (1022.9 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 6 Oct 2:56 pm EDT
Extended Forecast for

Mercer PA

  • This Afternoon

    This Afternoon: Sunny, with a high near 60. Light southwest wind.

    High: 60 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 39. Calm wind becoming south around 5 mph.

    Low: 39 °F

    Mostly Clear

  • Wednesday

    Wednesday: Increasing clouds, with a high near 72. Southwest wind 6 to 13 mph.

    High: 72 °F

    Increasing
    Clouds

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 49. Southwest wind 5 to 8 mph.

    Low: 49 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 70. West wind 5 to 14 mph.

    High: 70 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 42.

    Low: 42 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 68.

    High: 68 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 44.

    Low: 44 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 75.

    High: 75 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 60. Light southwest wind.
Tonight
Mostly clear, with a low around 39. Calm wind becoming south around 5 mph.
Wednesday
Increasing clouds, with a high near 72. Southwest wind 6 to 13 mph.
Wednesday Night
Partly cloudy, with a low around 49. Southwest wind 5 to 8 mph.
Thursday
Sunny, with a high near 70. West wind 5 to 14 mph.
Thursday Night
Mostly clear, with a low around 42.
Friday
Sunny, with a high near 68.
Friday Night
Mostly clear, with a low around 44.
Saturday
Sunny, with a high near 75.
Saturday Night
Partly cloudy, with a low around 54.
Sunday
A chance of showers. Partly sunny, with a high near 71. Chance of precipitation is 40%.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 55. Chance of precipitation is 50%.
Columbus Day
Mostly cloudy, with a high near 72.
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ABOUT THIS FORECAST

 
Point Forecast:
Mercer PA
 41.23°N 80.22°W (Elev. 1102 ft)
2:21 pm EDT Oct 6, 2026
3pm EDT Oct 6, 2026-6pm EDT Oct 12, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database