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

34°F

1°C

Humidity 97%
Wind Speed SW 6 mph
Barometer 30.19 in (1024.6 mb)
Dewpoint 33°F (1°C)
Visibility 8.00 mi
Wind Chill29°F (-2°C)
Last update 19 Nov 7:54 pm EST
Extended Forecast for

Johnstown-Cambria County Airport PA

  • Tonight

    Tonight: Mostly cloudy, with a low around 33. Calm wind becoming south around 5 mph after midnight.

    Low: 33 °F

    Mostly Cloudy

  • Thursday

    Thursday: Cloudy, with a high near 46. South wind around 6 mph.

    High: 46 °F

    Cloudy

  • Thursday Night

    Thursday Night: A slight chance of showers after 1am. Cloudy, with a low around 40. South wind around 6 mph. Chance of precipitation is 20%.

    Low: 40 °F

    Cloudy then
    Slight Chance
    Showers

  • Friday

    Friday: Showers likely, mainly after 1pm. Cloudy, with a high near 52. Southwest wind around 7 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 52 °F

    Showers
    Likely

  • Friday Night

    Friday Night: Showers likely, mainly before 1am. Cloudy, with a low around 38. Southwest wind around 7 mph becoming northwest after midnight. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 38 °F

    Showers
    Likely

  • Saturday

    Saturday: A chance of showers, mainly before 1pm. Partly sunny, with a high near 45. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 45 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 30.

    Low: 30 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 49.

    High: 49 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 36.

    Low: 36 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 33. Calm wind becoming south around 5 mph after midnight.
Thursday
Cloudy, with a high near 46. South wind around 6 mph.
Thursday Night
A slight chance of showers after 1am. Cloudy, with a low around 40. South wind around 6 mph. Chance of precipitation is 20%.
Friday
Showers likely, mainly after 1pm. Cloudy, with a high near 52. Southwest wind around 7 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
Showers likely, mainly before 1am. Cloudy, with a low around 38. Southwest wind around 7 mph becoming northwest after midnight. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Saturday
A chance of showers, mainly before 1pm. Partly sunny, with a high near 45. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
Partly cloudy, with a low around 30.
Sunday
Mostly sunny, with a high near 49.
Sunday Night
Partly cloudy, with a low around 36.
Monday
Partly sunny, with a high near 50.
Monday Night
Mostly cloudy, with a low around 38.
Tuesday
A chance of showers. Mostly cloudy, with a high near 50. Chance of precipitation is 40%.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 41. Chance of precipitation is 50%.
Wednesday
A chance of showers. Mostly cloudy, with a high near 51. Chance of precipitation is 30%.
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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:
7:05 pm EST Nov 19, 2025
Forecast Valid:
8pm EST Nov 19, 2025-6pm EST Nov 26, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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