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.

Overcast and Breezy

24°F

-4°C

Humidity 77%
Wind Speed W 24 G 36 mph
Barometer 30.13 in (1023.2 mb)
Dewpoint 18°F (-8°C)
Visibility 8.00 mi
Wind Chill8°F (-13°C)
Last update 11 Jan 11:54 pm EST
Extended Forecast for

South Fork PA

  • Overnight

    Overnight: Cloudy, with a low around 23. West wind 14 to 16 mph, with gusts as high as 37 mph.

    Low: 23 °F

    Cloudy

  • Monday

    Monday: Mostly cloudy, then gradually becoming sunny, with a high near 35. West wind 14 to 16 mph, with gusts as high as 30 mph.

    High: 35 °F

    Decreasing
    Clouds

  • Monday Night

    Monday Night: Mostly clear, with a low around 27. West wind 8 to 10 mph, with gusts as high as 24 mph.

    Low: 27 °F

    Mostly Clear

  • Tuesday

    Tuesday: Increasing clouds, with a high near 44. Southwest wind 7 to 10 mph, with gusts as high as 20 mph.

    High: 44 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: A chance of showers, mainly after 1am. Mostly cloudy, with a low around 37. Southwest wind 8 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.

    Low: 37 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers before 1pm, then rain after 1pm. High near 42. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 42 °F

    Chance
    Showers then
    Rain

  • Wednesday Night

    Wednesday Night: Rain before 1am, then rain and snow likely. Low around 24. Chance of precipitation is 80%.

    Low: 24 °F

    Rain then
    Rain/Snow

  • Thursday

    Thursday: Snow likely, mainly before 1pm. Mostly cloudy, with a high near 28. Chance of precipitation is 60%.

    High: 28 °F

    Snow Likely

  • Thursday Night

    Thursday Night: A chance of snow before 1am. Mostly cloudy, with a low around 15. Chance of precipitation is 30%.

    Low: 15 °F

    Chance Snow

Detailed Forecast

Overnight
Cloudy, with a low around 23. West wind 14 to 16 mph, with gusts as high as 37 mph.
Monday
Mostly cloudy, then gradually becoming sunny, with a high near 35. West wind 14 to 16 mph, with gusts as high as 30 mph.
Monday Night
Mostly clear, with a low around 27. West wind 8 to 10 mph, with gusts as high as 24 mph.
Tuesday
Increasing clouds, with a high near 44. Southwest wind 7 to 10 mph, with gusts as high as 20 mph.
Tuesday Night
A chance of showers, mainly after 1am. Mostly cloudy, with a low around 37. Southwest wind 8 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.
Wednesday
A chance of showers before 1pm, then rain after 1pm. High near 42. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Rain before 1am, then rain and snow likely. Low around 24. Chance of precipitation is 80%.
Thursday
Snow likely, mainly before 1pm. Mostly cloudy, with a high near 28. Chance of precipitation is 60%.
Thursday Night
A chance of snow before 1am. Mostly cloudy, with a low around 15. Chance of precipitation is 30%.
Friday
Partly sunny, with a high near 27.
Friday Night
Partly cloudy, with a low around 18.
Saturday
A chance of snow showers. Partly sunny, with a high near 32. Chance of precipitation is 50%.
Saturday Night
A chance of snow showers. Mostly cloudy, with a low around 18. Chance of precipitation is 40%.
Sunday
A chance of snow showers. Mostly cloudy, with a high near 26. Chance of precipitation is 40%.
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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:
10:06 pm EST Jan 11, 2026
Forecast Valid:
12am EST Jan 12, 2026-6pm EST Jan 18, 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