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

20°F

-7°C

Humidity 78%
Wind Speed NW 3 mph
Barometer 30.34 in (1030.7 mb)
Dewpoint 14°F (-10°C)
Visibility 10.00 mi
Last update 24 Mar 7:54 am EDT
Extended Forecast for

Johnstown-Cambria County Airport PA

  • Today

    Today: Sunny, with a high near 46. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 46 °F

    Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 32. Northwest wind around 5 mph becoming calm in the evening.

    Low: 32 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 55. South wind 6 to 9 mph.

    High: 55 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 47. South wind 7 to 9 mph.

    Low: 47 °F

    Mostly Cloudy

  • Thursday

    Thursday: A chance of rain after 2pm. Mostly cloudy, with a high near 66. Southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    High: 66 °F

    Mostly Cloudy
    then Chance
    Rain

  • Thursday Night

    Thursday Night: A chance of rain and thunderstorms before 8pm, then rain and possibly a thunderstorm between 8pm and 2am, then rain after 2am. Low around 41. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 41 °F

    Rain

  • Friday

    Friday: A chance of rain before 2pm. Partly sunny, with a high near 48. Chance of precipitation is 40%.

    High: 48 °F

    Chance Rain

  • Friday Night

    Friday Night: Partly cloudy, with a low around 22.

    Low: 22 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 39.

    High: 39 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 46. Calm wind becoming southwest around 5 mph in the afternoon.
Tonight
Mostly cloudy, with a low around 32. Northwest wind around 5 mph becoming calm in the evening.
Wednesday
Mostly cloudy, with a high near 55. South wind 6 to 9 mph.
Wednesday Night
Mostly cloudy, with a low around 47. South wind 7 to 9 mph.
Thursday
A chance of rain after 2pm. Mostly cloudy, with a high near 66. Southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
A chance of rain and thunderstorms before 8pm, then rain and possibly a thunderstorm between 8pm and 2am, then rain after 2am. Low around 41. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Friday
A chance of rain before 2pm. Partly sunny, with a high near 48. Chance of precipitation is 40%.
Friday Night
Partly cloudy, with a low around 22.
Saturday
Sunny, with a high near 39.
Saturday Night
Mostly clear, with a low around 27.
Sunday
Sunny, with a high near 50.
Sunday Night
Partly cloudy, with a low around 37.
Monday
Partly sunny, with a high near 57.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Johnstown-Cambria County Airport PA
 40.31°N 78.84°W (Elev. 2221 ft)
Last Update:
8:05 am EDT Mar 24, 2026
Forecast Valid:
8am EDT Mar 24, 2026-6pm EDT Mar 30, 2026
 
Forecast Discussion
 
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Additional Resources

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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