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.

Overcast

37°F

3°C

Humidity 75%
Wind Speed NW 8 mph
Barometer 29.88 in
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill31°F (-1°C)
Last update 3 May 1:35 am EDT
Extended Forecast for

Saint Clair PA

Frost Advisory until May 3, 09:00am
Click here for hazard details and duration
Frost Advisory
  •  
    Frost Advisory until May 3, 09:00am

    NOW until 9:00am Sun

    Frost Advisory

  • Overnight

    Low: 35 °F

    Frost

  • Sunday

    Sunday: Widespread frost, mainly before 8am. Otherwise, sunny, with a high near 58. Northwest wind 6 to 9 mph, with gusts as high as 23 mph.

    High: 58 °F

    Frost then
    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 42. Light west wind.

    Low: 42 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 69. Southwest wind 6 to 8 mph, with gusts as high as 21 mph.

    High: 69 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 52. Light south wind.

    Low: 52 °F

    Mostly Clear

  • Tuesday

    Tuesday: A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 77. Chance of precipitation is 30%.

    High: 77 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Showers likely, mainly after 2am. Mostly cloudy, with a low around 57. Chance of precipitation is 60%.

    Low: 57 °F

    Chance
    Showers then
    Showers
    Likely

  • Wednesday

    Wednesday: Showers. High near 66. Chance of precipitation is 90%.

    High: 66 °F

    Showers

Detailed Forecast

Overnight
Widespread frost, mainly after 5am. Otherwise, mostly clear, with a low around 35. North wind around 5 mph.
Sunday
Widespread frost, mainly before 8am. Otherwise, sunny, with a high near 58. Northwest wind 6 to 9 mph, with gusts as high as 23 mph.
Sunday Night
Mostly clear, with a low around 42. Light west wind.
Monday
Mostly sunny, with a high near 69. Southwest wind 6 to 8 mph, with gusts as high as 21 mph.
Monday Night
Mostly clear, with a low around 52. Light south wind.
Tuesday
A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 77. Chance of precipitation is 30%.
Tuesday Night
Showers likely, mainly after 2am. Mostly cloudy, with a low around 57. Chance of precipitation is 60%.
Wednesday
Showers. High near 66. Chance of precipitation is 90%.
Wednesday Night
Showers likely. Mostly cloudy, with a low around 46. Chance of precipitation is 70%.
Thursday
Showers likely, mainly before 2pm. Mostly cloudy, with a high near 58. Chance of precipitation is 60%.
Thursday Night
A chance of showers. Partly cloudy, with a low around 40. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 58.
Friday Night
Partly cloudy, with a low around 40.
Saturday
A chance of showers. Partly sunny, with a high near 57. Chance of precipitation is 40%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Saint Clair PA
 40.74°N 76.2°W (Elev. 988 ft)
Last Update:
1:57 am EDT May 3, 2026
Forecast Valid:
2am EDT May 3, 2026-6pm EDT May 9, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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