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 and Breezy

24°F

-4°C

Humidity 77%
Wind Speed W 24 G 36 mph
Barometer 30.13 in (1023.2 mb)
Dewpoint 18°F (-8°C)
Visibility 8.00 mi
Wind Chill8°F (-13°C)
Last update 11 Jan 11:54 pm EST
Extended Forecast for

Johnstown PA

  • Overnight

    Overnight: Cloudy, with a low around 24. West wind 11 to 14 mph, with gusts as high as 29 mph.

    Low: 24 °F

    Cloudy

  • Monday

    Monday: Cloudy, then gradually becoming mostly sunny, with a high near 38. Southwest wind 10 to 13 mph, with gusts as high as 26 mph.

    High: 38 °F

    Decreasing
    Clouds

  • Monday Night

    Monday Night: Mostly clear, with a low around 29. West wind 6 to 8 mph, with gusts as high as 21 mph.

    Low: 29 °F

    Mostly Clear

  • Tuesday

    Tuesday: Increasing clouds, with a high near 46. Southwest wind 5 to 8 mph.

    High: 46 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: A chance of showers, mainly after 1am. Mostly cloudy, with a low around 38. Southwest wind 6 to 8 mph, with gusts as high as 21 mph. Chance of precipitation is 40%.

    Low: 38 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Showers likely before 1pm, then rain after 1pm. High near 43. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    High: 43 °F

    Showers
    Likely then
    Rain

  • Wednesday Night

    Wednesday Night: Rain before 1am, then rain and snow likely. Low around 25. Chance of precipitation is 80%.

    Low: 25 °F

    Rain then
    Rain/Snow

  • Thursday

    Thursday: Snow likely, mainly before 1pm. Mostly cloudy, with a high near 30. Chance of precipitation is 60%.

    High: 30 °F

    Snow Likely

  • Thursday Night

    Thursday Night: A chance of snow before 1am. Mostly cloudy, with a low around 16. Chance of precipitation is 30%.

    Low: 16 °F

    Chance Snow

Detailed Forecast

Overnight
Cloudy, with a low around 24. West wind 11 to 14 mph, with gusts as high as 29 mph.
Monday
Cloudy, then gradually becoming mostly sunny, with a high near 38. Southwest wind 10 to 13 mph, with gusts as high as 26 mph.
Monday Night
Mostly clear, with a low around 29. West wind 6 to 8 mph, with gusts as high as 21 mph.
Tuesday
Increasing clouds, with a high near 46. Southwest wind 5 to 8 mph.
Tuesday Night
A chance of showers, mainly after 1am. Mostly cloudy, with a low around 38. Southwest wind 6 to 8 mph, with gusts as high as 21 mph. Chance of precipitation is 40%.
Wednesday
Showers likely before 1pm, then rain after 1pm. High near 43. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Rain before 1am, then rain and snow likely. Low around 25. Chance of precipitation is 80%.
Thursday
Snow likely, mainly before 1pm. Mostly cloudy, with a high near 30. Chance of precipitation is 60%.
Thursday Night
A chance of snow before 1am. Mostly cloudy, with a low around 16. Chance of precipitation is 30%.
Friday
Partly sunny, with a high near 29.
Friday Night
Mostly cloudy, with a low around 19.
Saturday
A chance of snow showers. Partly sunny, with a high near 33. Chance of precipitation is 50%.
Saturday Night
A chance of snow showers. Mostly cloudy, with a low around 19. Chance of precipitation is 40%.
Sunday
A chance of snow showers. Partly sunny, with a high near 27. Chance of precipitation is 40%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Johnstown PA
 40.34°N 78.89°W (Elev. 1299 ft)
Last Update:
10:06 pm EST Jan 11, 2026
Forecast Valid:
12am EST Jan 12, 2026-6pm EST Jan 18, 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