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

33°F

1°C

Humidity 58%
Wind Speed S 9 mph
Barometer 30.07 in (1020.5 mb)
Dewpoint 20°F (-7°C)
Visibility 10.00 mi
Wind Chill25°F (-4°C)
Last update 19 Mar 5:54 am EDT
Extended Forecast for

Johnstown-Cambria County Airport PA

  • Today

    Today: A chance of rain, mainly before 4pm. Cloudy, with a high near 46. South wind 6 to 10 mph becoming west in the afternoon. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 46 °F

    Cloudy then
    Chance Rain

  • Tonight

    Tonight: Mostly cloudy, with a low around 36. West wind around 6 mph becoming light and variable.

    Low: 36 °F

    Mostly Cloudy

  • Friday

    Friday: Showers likely after 2pm. Mostly cloudy, with a high near 56. Southwest wind 8 to 15 mph, with gusts as high as 29 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 56 °F

    Mostly Cloudy
    then Showers
    Likely

  • Friday Night

    Friday Night: Showers, mainly before 2am. Low around 42. West wind around 11 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 42 °F

    Showers

  • Saturday

    Saturday: Partly sunny, with a high near 57. West wind around 10 mph.

    High: 57 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 45.

    Low: 45 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of showers after 2pm. Partly sunny, with a high near 67. Chance of precipitation is 30%.

    High: 67 °F

    Partly Sunny
    then Chance
    Showers

  • Sunday Night

    Sunday Night: Showers likely, mainly between 8pm and 2am. Mostly cloudy, with a low around 36. Chance of precipitation is 60%.

    Low: 36 °F

    Showers
    Likely

  • Monday

    Monday: A chance of showers before 8am. Mostly cloudy, with a high near 42. Chance of precipitation is 30%.

    High: 42 °F

    Chance
    Showers then
    Partly Sunny

Detailed Forecast

Today
A chance of rain, mainly before 4pm. Cloudy, with a high near 46. South wind 6 to 10 mph becoming west in the afternoon. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Mostly cloudy, with a low around 36. West wind around 6 mph becoming light and variable.
Friday
Showers likely after 2pm. Mostly cloudy, with a high near 56. Southwest wind 8 to 15 mph, with gusts as high as 29 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
Showers, mainly before 2am. Low around 42. West wind around 11 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Saturday
Partly sunny, with a high near 57. West wind around 10 mph.
Saturday Night
Mostly cloudy, with a low around 45.
Sunday
A chance of showers after 2pm. Partly sunny, with a high near 67. Chance of precipitation is 30%.
Sunday Night
Showers likely, mainly between 8pm and 2am. Mostly cloudy, with a low around 36. Chance of precipitation is 60%.
Monday
A chance of showers before 8am. Mostly cloudy, with a high near 42. Chance of precipitation is 30%.
Monday Night
Partly cloudy, with a low around 23.
Tuesday
Mostly sunny, with a high near 43.
Tuesday Night
Mostly cloudy, with a low around 29.
Wednesday
Mostly sunny, with a high near 49.
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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:
5:41 am EDT Mar 19, 2026
Forecast Valid:
6am EDT Mar 19, 2026-6pm EDT Mar 25, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation