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.

Mostly Cloudy

34°F

1°C

Humidity 56%
Wind Speed N 3 mph
Barometer 30.07 in
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Last update 27 Mar 3:15 pm EDT
Extended Forecast for

Saint Clair PA

  • Tonight

    Tonight: Mostly clear, with a low around 24. Calm wind becoming north around 5 mph after midnight.

    Low: 24 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 42. Northwest wind 5 to 7 mph, with gusts as high as 23 mph.

    High: 42 °F

    Sunny

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 26. Calm wind.

    Low: 26 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Partly sunny, with a high near 53. Calm wind becoming south 5 to 7 mph in the afternoon. Winds could gust as high as 21 mph.

    High: 53 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 40. Light south wind.

    Low: 40 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 59.

    High: 59 °F

    Partly Sunny

  • Monday Night

    Monday Night: A chance of showers. Mostly cloudy, with a low around 51. Chance of precipitation is 40%.

    Low: 51 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers before 2pm. Partly sunny, with a high near 73. Chance of precipitation is 30%.

    High: 73 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 59.

    Low: 59 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 24. Calm wind becoming north around 5 mph after midnight.
Saturday
Sunny, with a high near 42. Northwest wind 5 to 7 mph, with gusts as high as 23 mph.
Saturday Night
Increasing clouds, with a low around 26. Calm wind.
Sunday
Partly sunny, with a high near 53. Calm wind becoming south 5 to 7 mph in the afternoon. Winds could gust as high as 21 mph.
Sunday Night
Partly cloudy, with a low around 40. Light south wind.
Monday
Partly sunny, with a high near 59.
Monday Night
A chance of showers. Mostly cloudy, with a low around 51. Chance of precipitation is 40%.
Tuesday
A chance of showers before 2pm. Partly sunny, with a high near 73. Chance of precipitation is 30%.
Tuesday Night
Mostly cloudy, with a low around 59.
Wednesday
Showers likely, mainly after 2pm. Partly sunny, with a high near 73. Chance of precipitation is 60%.
Wednesday Night
Showers likely. Mostly cloudy, with a low around 41. Chance of precipitation is 60%.
Thursday
A chance of showers. Mostly cloudy, with a high near 55. Chance of precipitation is 40%.
Thursday Night
Showers likely. Mostly cloudy, with a low around 40. Chance of precipitation is 60%.
Friday
Showers likely. Mostly cloudy, with a high near 50. Chance of precipitation is 60%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Saint Clair PA
 40.71°N 76.18°W (Elev. 699 ft)
Last Update:
2:21 pm EDT Mar 27, 2026
Forecast Valid:
3pm EDT Mar 27, 2026-6pm EDT Apr 3, 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