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

Johnstown - Cambria County Airport (KJST)

Lat: 40.31°NLon: 78.83°WElev: 2274ft.

A Few Clouds

17°F

-8°C

Humidity 74%
Wind Speed W 15 mph
Barometer 29.75 in (1011.3 mb)
Dewpoint 10°F (-12°C)
Visibility 10.00 mi
Wind Chill2°F (-17°C)
Last update 2 Jan 6:54 pm EST
Extended Forecast for

South Fork PA

  • Tonight

    Tonight: Mostly cloudy, with a low around 14. West wind 6 to 10 mph, with gusts as high as 22 mph.

    Low: 14 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 27. West wind around 5 mph becoming calm in the afternoon.

    High: 27 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: A slight chance of snow between 10pm and 1am. Mostly cloudy, with a low around 19. Calm wind becoming west around 5 mph after midnight. Chance of precipitation is 20%.

    Low: 19 °F

    Slight Chance
    Snow

  • Sunday

    Sunday: Mostly cloudy, with a high near 27. West wind 6 to 11 mph, with gusts as high as 22 mph.

    High: 27 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 16. Northwest wind 5 to 8 mph becoming calm in the evening.

    Low: 16 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 34.

    High: 34 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 26.

    Low: 26 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A chance of rain after 1pm. Mostly cloudy, with a high near 46. Chance of precipitation is 40%.

    High: 46 °F

    Mostly Cloudy
    then Chance
    Rain

  • Tuesday Night

    Tuesday Night: A chance of showers before 1am. Mostly cloudy, with a low around 37. Chance of precipitation is 40%.

    Low: 37 °F

    Chance
    Showers

Detailed Forecast

Tonight
Mostly cloudy, with a low around 14. West wind 6 to 10 mph, with gusts as high as 22 mph.
Saturday
Mostly cloudy, with a high near 27. West wind around 5 mph becoming calm in the afternoon.
Saturday Night
A slight chance of snow between 10pm and 1am. Mostly cloudy, with a low around 19. Calm wind becoming west around 5 mph after midnight. Chance of precipitation is 20%.
Sunday
Mostly cloudy, with a high near 27. West wind 6 to 11 mph, with gusts as high as 22 mph.
Sunday Night
Mostly cloudy, with a low around 16. Northwest wind 5 to 8 mph becoming calm in the evening.
Monday
Mostly cloudy, with a high near 34.
Monday Night
Mostly cloudy, with a low around 26.
Tuesday
A chance of rain after 1pm. Mostly cloudy, with a high near 46. Chance of precipitation is 40%.
Tuesday Night
A chance of showers before 1am. Mostly cloudy, with a low around 37. Chance of precipitation is 40%.
Wednesday
Mostly cloudy, with a high near 46.
Wednesday Night
Mostly cloudy, with a low around 34.
Thursday
A chance of showers. Mostly cloudy, with a high near 49. Chance of precipitation is 30%.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 39. Chance of precipitation is 40%.
Friday
A chance of showers. Mostly cloudy, with a high near 54. Chance of precipitation is 50%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
South Fork PA
 40.35°N 78.78°W (Elev. 1683 ft)
Last Update:
7:06 pm EST Jan 2, 2026
Forecast Valid:
7pm EST Jan 2, 2026-6pm EST Jan 9, 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