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

38°F

3°C

Humidity 43%
Wind Speed W 17 G 28 mph
Barometer 30.11 in (1021.1 mb)
Dewpoint 17°F (-8°C)
Visibility 10.00 mi
Wind Chill29°F (-2°C)
Last update 14 Mar 12:54 pm EDT
Extended Forecast for

Johnstown-Cambria County Airport PA

  • This Afternoon

    This Afternoon: Sunny, with a high near 42. West wind 15 to 17 mph, with gusts as high as 29 mph.

    High: 42 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 34. Light and variable wind becoming southeast 5 to 10 mph in the evening. Winds could gust as high as 20 mph.

    Low: 34 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Cloudy, then gradually becoming mostly sunny, with a high near 52. Breezy, with a south wind 18 to 22 mph, with gusts as high as 37 mph.

    High: 52 °F

    Decreasing
    Clouds and
    Breezy

  • Sunday Night

    Sunday Night: A chance of showers. Mostly cloudy, with a low around 46. Breezy, with a southeast wind 17 to 20 mph, with gusts as high as 36 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 46 °F

    Chance
    Showers and
    Breezy

  • Monday

    Monday: Showers. High near 59. South wind around 17 mph becoming southwest in the afternoon. Winds could gust as high as 31 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 59 °F

    Showers

  • Monday Night

    Monday Night: A chance of snow showers, mainly before 2am. Mostly cloudy, with a low around 18. Breezy. Chance of precipitation is 50%. New snow accumulation of around an inch possible.

    Low: 18 °F

    Chance Snow
    Showers and
    Breezy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 24. Breezy.

    High: 24 °F

    Mostly Cloudy
    and Breezy

  • Tuesday Night

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

    Low: 15 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 34.

    High: 34 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
Sunny, with a high near 42. West wind 15 to 17 mph, with gusts as high as 29 mph.
Tonight
Increasing clouds, with a low around 34. Light and variable wind becoming southeast 5 to 10 mph in the evening. Winds could gust as high as 20 mph.
Sunday
Cloudy, then gradually becoming mostly sunny, with a high near 52. Breezy, with a south wind 18 to 22 mph, with gusts as high as 37 mph.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 46. Breezy, with a southeast wind 17 to 20 mph, with gusts as high as 36 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Monday
Showers. High near 59. South wind around 17 mph becoming southwest in the afternoon. Winds could gust as high as 31 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Monday Night
A chance of snow showers, mainly before 2am. Mostly cloudy, with a low around 18. Breezy. Chance of precipitation is 50%. New snow accumulation of around an inch possible.
Tuesday
Mostly cloudy, with a high near 24. Breezy.
Tuesday Night
Mostly cloudy, with a low around 15.
Wednesday
Mostly cloudy, with a high near 34.
Wednesday Night
Mostly cloudy, with a low around 27.
Thursday
Mostly cloudy, with a high near 47.
Thursday Night
Mostly cloudy, with a low around 35.
Friday
Partly sunny, with a high near 53.
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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:
12:51 pm EDT Mar 14, 2026
Forecast Valid:
1pm EDT Mar 14, 2026-6pm EDT Mar 20, 2026
 
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Additional Resources

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Chance of Precipitation