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.

Fair

64°F

18°C

Humidity 52%
Wind Speed NW 9 G 21 mph
Barometer 29.91 in
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 20 Jun 10:15 am EDT
Extended Forecast for

Saint Clair PA

  • Today

    Today: Mostly sunny, with a high near 77. Northwest wind around 8 mph, with gusts as high as 25 mph.

    High: 77 °F

    Mostly Sunny

  • Tonight

    Tonight: Patchy fog after 5am. Otherwise, partly cloudy, with a low around 55. Light northwest wind.

    Low: 55 °F

    Partly Cloudy
    then Patchy
    Fog

  • Sunday

    Sunday: Patchy fog between 7am and 8am. Otherwise, mostly sunny, with a high near 79. West wind 3 to 6 mph.

    High: 79 °F

    Patchy Fog
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: A chance of rain after 2am. Mostly cloudy, with a low around 59. Calm wind. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 59 °F

    Mostly Cloudy
    then Chance
    Rain

  • Monday

    Monday: Rain, with thunderstorms also possible after 11am. High near 73. East wind around 7 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.

    High: 73 °F

    Rain

  • Monday Night

    Monday Night: Rain likely and possibly a thunderstorm before 11pm, then rain likely between 11pm and 2am, then a slight chance of showers after 2am. Mostly cloudy, with a low around 58. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 58 °F

    Showers
    Likely

  • Tuesday

    Tuesday: Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 77. Northwest wind around 8 mph, with gusts as high as 25 mph.
Tonight
Patchy fog after 5am. Otherwise, partly cloudy, with a low around 55. Light northwest wind.
Sunday
Patchy fog between 7am and 8am. Otherwise, mostly sunny, with a high near 79. West wind 3 to 6 mph.
Sunday Night
A chance of rain after 2am. Mostly cloudy, with a low around 59. Calm wind. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Rain, with thunderstorms also possible after 11am. High near 73. East wind around 7 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Monday Night
Rain likely and possibly a thunderstorm before 11pm, then rain likely between 11pm and 2am, then a slight chance of showers after 2am. Mostly cloudy, with a low around 58. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday
Mostly sunny, with a high near 78.
Tuesday Night
Mostly clear, with a low around 55.
Wednesday
Sunny, with a high near 79.
Wednesday Night
A chance of showers after 2am. Partly cloudy, with a low around 58. Chance of precipitation is 30%.
Thursday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 79. Chance of precipitation is 60%.
Thursday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 59. Chance of precipitation is 60%.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 79. Chance of precipitation is 50%.
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ABOUT THIS FORECAST

 
Point Forecast:
Saint Clair PA
 40.74°N 76.2°W (Elev. 988 ft)
Last Update:
8:05 am EDT Jun 20, 2026
Forecast Valid:
10am EDT Jun 20, 2026-6pm EDT Jun 26, 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