National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Excessive Rainfall Areas Today; Tropical Storm Jerry Forms

Heavy to excessive rainfall is possible today and tonight ahead of and along a cold front crossing portions of Kentucky, middle Tennessee, the Ohio Valley and New Mexico. Tropical Storm Jerry, the tenth named storm of the 2025 season, has formed over the central tropical Atlantic. Jerry is expected to be near or north of the northern Leeward Islands on Thursday and Friday. Read More >

Current conditions at

Schuylkill County/Joe Zerbey Airport (KZER)

Lat: 40.71°NLon: 76.37°WElev: 1730ft.

Fair

68°F

20°C

Humidity 78%
Wind Speed SE 8 mph
Barometer 30.07 in
Dewpoint 61°F (16°C)
Visibility 7.00 mi
Last update 7 Oct 5:35 pm EDT
Extended Forecast for

Saint Clair PA

  • This Afternoon

    This Afternoon: A chance of showers. Cloudy, with a high near 79. South wind around 8 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 79 °F

    Chance
    Showers

  • Tonight

    Tonight: Showers. Low around 56. South wind around 6 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

    Low: 56 °F

    Showers

  • Wednesday

    Wednesday: Showers likely, mainly before 10am. Cloudy through mid morning, then gradual clearing, with a high near 68. North wind 8 to 10 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 68 °F

    Showers
    Likely then
    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 40. North wind 5 to 8 mph, with gusts as high as 22 mph.

    Low: 40 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 60. North wind around 7 mph.

    High: 60 °F

    Sunny

  • Thursday Night

    Thursday Night: Areas of frost after 4am. Otherwise, clear, with a low around 35.

    Low: 35 °F

    Clear then
    Areas Frost

  • Friday

    Friday: Areas of frost before 9am. Otherwise, sunny, with a high near 63.

    High: 63 °F

    Areas Frost
    then Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 40.

    Low: 40 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 67.

    High: 67 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A chance of showers. Cloudy, with a high near 79. South wind around 8 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Showers. Low around 56. South wind around 6 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.
Wednesday
Showers likely, mainly before 10am. Cloudy through mid morning, then gradual clearing, with a high near 68. North wind 8 to 10 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
Mostly clear, with a low around 40. North wind 5 to 8 mph, with gusts as high as 22 mph.
Thursday
Sunny, with a high near 60. North wind around 7 mph.
Thursday Night
Areas of frost after 4am. Otherwise, clear, with a low around 35.
Friday
Areas of frost before 9am. Otherwise, sunny, with a high near 63.
Friday Night
Mostly clear, with a low around 40.
Saturday
Mostly sunny, with a high near 67.
Saturday Night
Partly cloudy, with a low around 43.
Sunday
Mostly sunny, with a high near 67.
Sunday Night
Partly cloudy, with a low around 44.
Columbus Day
Mostly sunny, with a high near 65.
Monday Night
Partly cloudy, with a low around 46.
Tuesday
Mostly sunny, with a high near 67.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Saint Clair PA
 40.72°N 76.21°W (Elev. 817 ft)
Last Update:
2:05 pm EDT Oct 7, 2025
Forecast Valid:
5pm EDT Oct 7, 2025-6pm EDT Oct 14, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation