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

19°F

-7°C

Humidity 77%
Wind Speed N 3 mph
Barometer 30.30 in (1029.2 mb)
Dewpoint 13°F (-11°C)
Visibility 10.00 mi
Last update 24 Mar 5:54 am EDT
Extended Forecast for

Johnstown-Cambria County Airport PA

  • Today

    Today: Mostly sunny, with a high near 46. Northwest wind around 5 mph becoming calm.

    High: 46 °F

    Mostly 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
Mostly sunny, with a high near 46. Northwest wind around 5 mph becoming calm.
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.
Basemap Options
Click map to change the forecast location
Loading map...
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:
5:47 am EDT Mar 24, 2026
Forecast Valid:
6am EDT Mar 24, 2026-6pm EDT Mar 30, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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