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

19°F

-7°C

Humidity 92%
Wind Speed S 3 mph
Barometer 30.10 in (1022.9 mb)
Dewpoint 17°F (-8°C)
Visibility 7.00 mi
Last update 4 Jan 10:54 pm EST
Extended Forecast for

Johnstown-Cambria County Airport PA

  • Tonight

    Tonight: Mostly cloudy, with a low around 19. West wind around 5 mph becoming light and variable.

    Low: 19 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 40. Southwest wind 7 to 9 mph.

    High: 40 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 32. Southwest wind 6 to 8 mph.

    Low: 32 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Rain likely, mainly after 1pm. Mostly cloudy, with a high near 47. South wind 7 to 10 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 47 °F

    Mostly Cloudy
    then Rain
    Likely

  • Tuesday Night

    Tuesday Night: Rain likely, mainly before 1am. Cloudy, with a low around 36. West wind 10 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 36 °F

    Rain Likely

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 41.

    High: 41 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 32.

    Low: 32 °F

    Mostly Cloudy

  • Thursday

    Thursday: A chance of rain after 1pm. Partly sunny, with a high near 50. Chance of precipitation is 30%.

    High: 50 °F

    Mostly Sunny
    then Chance
    Rain

  • Thursday Night

    Thursday Night: Rain likely. Mostly cloudy, with a low around 40. Chance of precipitation is 60%.

    Low: 40 °F

    Rain Likely

Detailed Forecast

Tonight
Mostly cloudy, with a low around 19. West wind around 5 mph becoming light and variable.
Monday
Partly sunny, with a high near 40. Southwest wind 7 to 9 mph.
Monday Night
Mostly cloudy, with a low around 32. Southwest wind 6 to 8 mph.
Tuesday
Rain likely, mainly after 1pm. Mostly cloudy, with a high near 47. South wind 7 to 10 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
Rain likely, mainly before 1am. Cloudy, with a low around 36. West wind 10 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Mostly cloudy, with a high near 41.
Wednesday Night
Mostly cloudy, with a low around 32.
Thursday
A chance of rain after 1pm. Partly sunny, with a high near 50. Chance of precipitation is 30%.
Thursday Night
Rain likely. Mostly cloudy, with a low around 40. Chance of precipitation is 60%.
Friday
Rain likely. Mostly cloudy, with a high near 50. Chance of precipitation is 70%.
Friday Night
Rain likely. Mostly cloudy, with a low around 39. Chance of precipitation is 60%.
Saturday
A chance of rain. Mostly cloudy, with a high near 45. Chance of precipitation is 50%.
Saturday Night
A chance of rain and snow. Mostly cloudy, with a low around 25. Chance of precipitation is 30%.
Sunday
A chance of snow. Mostly cloudy, with a high near 29. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Johnstown-Cambria County Airport PA
 40.31°N 78.84°W (Elev. 2221 ft)
Last Update:
10:06 pm EST Jan 4, 2026
Forecast Valid:
11pm EST Jan 4, 2026-6pm EST Jan 11, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation