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.

Mostly Cloudy

44°F

7°C

Humidity 60%
Wind Speed SW 9 mph
Barometer 30.11 in (1021.5 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 19 Mar 12:54 pm EDT
Extended Forecast for

Johnstown-Cambria County Airport PA

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 46. West wind around 10 mph.

    High: 46 °F

    Partly Sunny

  • Tonight

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

    Low: 36 °F

    Partly Cloudy

  • Friday

    Friday: Showers likely, mainly after 4pm. Increasing clouds, with a high near 56. South wind 8 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 56 °F

    Partly Sunny
    then Showers
    Likely

  • Friday Night

    Friday Night: Showers and thunderstorms likely before 11pm, then a chance of showers between 11pm and 2am. Mostly cloudy, with a low around 42. West wind 9 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 42 °F

    Showers
    Likely

  • Saturday

    Saturday: Partly sunny, with a high near 57. West wind around 9 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 after 8pm. Mostly cloudy, with a low around 36. Chance of precipitation is 60%.

    Low: 36 °F

    Showers
    Likely

  • Monday

    Monday: Mostly cloudy, with a high near 42.

    High: 42 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
Partly sunny, with a high near 46. West wind around 10 mph.
Tonight
Partly cloudy, with a low around 36. West wind around 6 mph becoming light and variable.
Friday
Showers likely, mainly after 4pm. Increasing clouds, with a high near 56. South wind 8 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
Showers and thunderstorms likely before 11pm, then a chance of showers between 11pm and 2am. Mostly cloudy, with a low around 42. West wind 9 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Saturday
Partly sunny, with a high near 57. West wind around 9 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 after 8pm. Mostly cloudy, with a low around 36. Chance of precipitation is 60%.
Monday
Mostly cloudy, with a high near 42.
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
Partly sunny, with a high near 49.
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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:
12:35 pm EDT Mar 19, 2026
Forecast Valid:
1pm EDT Mar 19, 2026-6pm EDT Mar 25, 2026
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation