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

Schuylkill County/Joe Zerbey Airport (KZER)

Lat: 40.71°NLon: 76.37°WElev: 1730ft.

Partly Cloudy

68°F

20°C

Humidity 73%
Wind Speed W 6 mph
Barometer 30.08 in
Dewpoint 59°F (15°C)
Visibility 7.00 mi
Last update 25 Aug 7:15 pm EDT
Extended Forecast for

Saint Clair PA

  • Tonight

    Tonight: Mostly clear, with a low around 57. Calm wind.

    Low: 57 °F

    Mostly Clear

  • Wednesday

    Wednesday: Patchy fog before 7am. Otherwise, mostly sunny, with a high near 79. Light and variable wind.

    High: 79 °F

    Patchy Fog
    then Mostly
    Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 64. Light southeast wind. Chance of precipitation is 20%.

    Low: 64 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Thursday

    Thursday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2pm. High near 81. South wind 3 to 6 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 81 °F

    Chance
    Showers then
    Showers

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm before 2am, then a chance of showers. Low around 63. Light south wind. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 63 °F

    Showers

  • Friday

    Friday: A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 80. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 80 °F

    Chance
    Showers then
    Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 60. Chance of precipitation is 30%.

    Low: 60 °F

    Chance
    T-storms then
    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 79.

    High: 79 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 57. Calm wind.
Wednesday
Patchy fog before 7am. Otherwise, mostly sunny, with a high near 79. Light and variable wind.
Wednesday Night
A slight chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 64. Light southeast wind. Chance of precipitation is 20%.
Thursday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2pm. High near 81. South wind 3 to 6 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
Showers and possibly a thunderstorm before 2am, then a chance of showers. Low around 63. Light south wind. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Friday
A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 80. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 60. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 79.
Saturday Night
Mostly clear, with a low around 60.
Sunday
Sunny, with a high near 80.
Sunday Night
Partly cloudy, with a low around 64.
Monday
Mostly sunny, with a high near 84.
Monday Night
Partly cloudy, with a low around 66.
Tuesday
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:
Saint Clair PA
 40.74°N 76.2°W (Elev. 988 ft)
Last Update:
3:16 pm EDT Aug 25, 2026
Forecast Valid:
7pm EDT Aug 25, 2026-6pm EDT Sep 1, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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