National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
News Headlines

Hazardous Weather Conditions

Current conditions at

Johnstown - Cambria County Airport (KJST)

Lat: 40.31°NLon: 78.83°WElev: 2274ft.

Mostly Cloudy

30°F

-1°C

Humidity 39%
Wind Speed SW 3 mph
Barometer 29.98 in (1017.7 mb)
Dewpoint 8°F (-13°C)
Visibility 10.00 mi
Last update 10 Feb 4:54 am EST
Extended Forecast for

Johnstown PA

  • Today

    Today: Cloudy, then gradually becoming mostly sunny, with a high near 46. Calm wind becoming south 5 to 7 mph in the afternoon.

    High: 46 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: A chance of rain before 1am, then a chance of snow showers and freezing rain between 1am and 4am, then a chance of snow showers after 4am. Mostly cloudy, with a low around 28. West wind 6 to 11 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.

    Low: 28 °F

    Chance Rain
    then Chance
    Wintry Mix

  • Wednesday

    Wednesday: A chance of snow showers, mainly before 1pm. Mostly cloudy, with a high near 31. West wind 13 to 15 mph, with gusts as high as 31 mph. Chance of precipitation is 30%.

    High: 31 °F

    Chance Snow
    Showers

  • Wednesday Night

    Wednesday Night: A chance of snow showers. Mostly cloudy, with a low around 21. West wind around 10 mph, with gusts as high as 24 mph. Chance of precipitation is 40%.

    Low: 21 °F

    Chance Snow
    Showers

  • Thursday

    Thursday: A slight chance of snow showers before 1pm. Mostly cloudy, with a high near 27. West wind around 10 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.

    High: 27 °F

    Slight Chance
    Snow Showers

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 17.

    Low: 17 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 31.

    High: 31 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 20.

    Low: 20 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 37.

    High: 37 °F

    Sunny

Detailed Forecast

Today
Cloudy, then gradually becoming mostly sunny, with a high near 46. Calm wind becoming south 5 to 7 mph in the afternoon.
Tonight
A chance of rain before 1am, then a chance of snow showers and freezing rain between 1am and 4am, then a chance of snow showers after 4am. Mostly cloudy, with a low around 28. West wind 6 to 11 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.
Wednesday
A chance of snow showers, mainly before 1pm. Mostly cloudy, with a high near 31. West wind 13 to 15 mph, with gusts as high as 31 mph. Chance of precipitation is 30%.
Wednesday Night
A chance of snow showers. Mostly cloudy, with a low around 21. West wind around 10 mph, with gusts as high as 24 mph. Chance of precipitation is 40%.
Thursday
A slight chance of snow showers before 1pm. Mostly cloudy, with a high near 27. West wind around 10 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.
Thursday Night
Mostly cloudy, with a low around 17.
Friday
Partly sunny, with a high near 31.
Friday Night
Partly cloudy, with a low around 20.
Saturday
Sunny, with a high near 37.
Saturday Night
Mostly cloudy, with a low around 23.
Sunday
Rain and snow likely. Mostly cloudy, with a high near 36. Chance of precipitation is 60%.
Sunday Night
Rain and snow likely. Mostly cloudy, with a low around 30. Chance of precipitation is 70%.
Washington's Birthday
A chance of rain and snow. Mostly cloudy, with a high near 39. Chance of precipitation is 30%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Johnstown PA
 40.32°N 78.93°W (Elev. 1670 ft)
Last Update:
5:26 am EST Feb 10, 2026
Forecast Valid:
5am EST Feb 10, 2026-6pm EST Feb 16, 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