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.

Fair

13°F

-11°C

Humidity 59%
Wind Speed W 18 G 25 mph
Barometer 29.77 in (1012.0 mb)
Dewpoint 1°F (-17°C)
Visibility 10.00 mi
Wind Chill-4°F (-20°C)
Last update 1 Jan 2:54 pm EST
Extended Forecast for

Southmont PA

  • Tonight

    Tonight: Scattered snow showers, mainly between 8pm and 5am. Mostly cloudy, with a low around 14. Southwest wind 5 to 7 mph. Chance of precipitation is 50%. Total nighttime snow accumulation of less than a half inch possible.

    Low: 14 °F

    Scattered
    Snow Showers

  • Friday

    Friday: Partly sunny, with a high near 26. West wind 6 to 11 mph, with gusts as high as 24 mph.

    High: 26 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 15. West wind 5 to 7 mph becoming calm after midnight.

    Low: 15 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 28. Calm wind.

    High: 28 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 17. Calm wind.

    Low: 17 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 27.

    High: 27 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 15.

    Low: 15 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 37.

    High: 37 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 29.

    Low: 29 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Scattered snow showers, mainly between 8pm and 5am. Mostly cloudy, with a low around 14. Southwest wind 5 to 7 mph. Chance of precipitation is 50%. Total nighttime snow accumulation of less than a half inch possible.
Friday
Partly sunny, with a high near 26. West wind 6 to 11 mph, with gusts as high as 24 mph.
Friday Night
Mostly cloudy, with a low around 15. West wind 5 to 7 mph becoming calm after midnight.
Saturday
Mostly cloudy, with a high near 28. Calm wind.
Saturday Night
Mostly cloudy, with a low around 17. Calm wind.
Sunday
Partly sunny, with a high near 27.
Sunday Night
Mostly cloudy, with a low around 15.
Monday
Mostly cloudy, with a high near 37.
Monday Night
Mostly cloudy, with a low around 29.
Tuesday
Mostly cloudy, with a high near 45.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 37. Chance of precipitation is 40%.
Wednesday
A chance of showers. Mostly cloudy, with a high near 47. Chance of precipitation is 40%.
Wednesday Night
Mostly cloudy, with a low around 31.
Thursday
Partly sunny, with a high near 47.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Southmont PA
 40.32°N 78.93°W (Elev. 1670 ft)
Last Update:
1:26 pm EST Jan 1, 2026
Forecast Valid:
3pm EST Jan 1, 2026-6pm EST Jan 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