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

Hazardous Weather Conditions

Current conditions at

Schuylkill County/Joe Zerbey Airport (KZER)

Lat: 40.71°NLon: 76.37°WElev: 1730ft.

Mostly Cloudy

70°F

21°C

Humidity 94%
Wind Speed SE 10 mph
Barometer 29.96 in
Dewpoint 68°F (20°C)
Visibility 7.00 mi
Last update 2 Aug 6:35 am EDT
Extended Forecast for

Saint Clair PA

  • Today

    Today: A chance of showers before 2pm, then a chance of showers and thunderstorms between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Cloudy, with a high near 80. Calm wind becoming south 5 to 7 mph in the morning. Winds could gust as high as 21 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 80 °F

    Mostly Cloudy
    then Showers
    Likely

  • Tonight

    Tonight: Showers and possibly a thunderstorm. Low around 68. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 68 °F

    Showers

  • Monday

    Monday: Showers and thunderstorms likely, mainly before 4pm. Mostly cloudy, with a high near 82. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 82 °F

    Showers
    Likely

  • Monday Night

    Monday Night: A slight chance of showers between 8pm and 2am. Patchy fog after 2am. Otherwise, partly cloudy, with a low around 63. Calm wind. Chance of precipitation is 20%.

    Low: 63 °F

    Slight Chance
    Showers and
    Patchy Fog

  • Tuesday

    Tuesday: A chance of showers after 2pm. Patchy fog before 8am. Otherwise, mostly sunny, with a high near 83. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 83 °F

    Patchy Fog
    then Chance
    Showers

  • Tuesday Night

    Tuesday Night: A chance of showers, mainly before 8pm. Mostly cloudy, with a low around 66. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 66 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 83. Chance of precipitation is 60%.

    High: 83 °F

    Partly Sunny
    then Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm before 2am. Mostly cloudy, with a low around 68. Chance of precipitation is 60%.

    Low: 68 °F

    Showers
    Likely

  • Thursday

    Thursday: A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 85. Chance of precipitation is 50%.

    High: 85 °F

    Partly Sunny
    then Chance
    T-storms

Detailed Forecast

Today
A chance of showers before 2pm, then a chance of showers and thunderstorms between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Cloudy, with a high near 80. Calm wind becoming south 5 to 7 mph in the morning. Winds could gust as high as 21 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and possibly a thunderstorm. Low around 68. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Monday
Showers and thunderstorms likely, mainly before 4pm. Mostly cloudy, with a high near 82. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday Night
A slight chance of showers between 8pm and 2am. Patchy fog after 2am. Otherwise, partly cloudy, with a low around 63. Calm wind. Chance of precipitation is 20%.
Tuesday
A chance of showers after 2pm. Patchy fog before 8am. Otherwise, mostly sunny, with a high near 83. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
A chance of showers, mainly before 8pm. Mostly cloudy, with a low around 66. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 83. Chance of precipitation is 60%.
Wednesday Night
Showers likely and possibly a thunderstorm before 2am. Mostly cloudy, with a low around 68. Chance of precipitation is 60%.
Thursday
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 85. Chance of precipitation is 50%.
Thursday Night
A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 68. Chance of precipitation is 40%.
Friday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 85. Chance of precipitation is 60%.
Friday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 67. Chance of precipitation is 60%.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 85. Chance of precipitation is 50%.
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ABOUT THIS FORECAST

 
Point Forecast:
Saint Clair PA
 40.72°N 76.21°W (Elev. 817 ft)
Last Update:
6:11 am EDT Aug 2, 2026
Forecast Valid:
6am EDT Aug 2, 2026-6pm EDT Aug 8, 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