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.

Fog

33°F

1°C

Humidity 100%
Wind Speed Calm
Barometer 29.94 in (1015.7 mb)
Dewpoint 33°F (1°C)
Visibility 0.25 mi
Last update 16 Feb 3:54 am EST
Extended Forecast for

Johnstown-Cambria County Airport PA

Dense Fog Advisory until February 16, 11:00am
Click here for hazard details and duration
Dense Fog Advisory
  •  
    Dense Fog Advisory until February 16, 11:00am

    NOW until 11:00am Mon

    Dense Fog Advisory

  • Overnight

    Low: 31 °F

    Areas Dense
    Fog

  • Washington's Birthday

    Washington's Birthday: Areas of dense fog before 10am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 43. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 43 °F

    Areas Dense
    Fog then
    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 34. Southwest wind 6 to 8 mph.

    Low: 34 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 50. West wind 5 to 8 mph.

    High: 50 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A chance of rain after 1am. Cloudy, with a low around 41. South wind around 7 mph. Chance of precipitation is 30%.

    Low: 41 °F

    Cloudy then
    Chance Rain

  • Wednesday

    Wednesday: Rain. High near 54. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 54 °F

    Rain

  • Wednesday Night

    Wednesday Night: A chance of rain before 1am. Mostly cloudy, with a low around 42. Chance of precipitation is 30%.

    Low: 42 °F

    Chance Rain

  • Thursday

    Thursday: A chance of rain after 1pm. Partly sunny, with a high near 54. Chance of precipitation is 30%.

    High: 54 °F

    Partly Sunny
    then Chance
    Rain

Detailed Forecast

Overnight
Areas of dense fog. Otherwise, mostly cloudy, with a low around 31. Calm wind.
Washington's Birthday
Areas of dense fog before 10am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 43. Calm wind becoming southwest around 6 mph in the afternoon.
Monday Night
Mostly cloudy, with a low around 34. Southwest wind 6 to 8 mph.
Tuesday
Partly sunny, with a high near 50. West wind 5 to 8 mph.
Tuesday Night
A chance of rain after 1am. Cloudy, with a low around 41. South wind around 7 mph. Chance of precipitation is 30%.
Wednesday
Rain. High near 54. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
A chance of rain before 1am. Mostly cloudy, with a low around 42. Chance of precipitation is 30%.
Thursday
A chance of rain after 1pm. Partly sunny, with a high near 54. Chance of precipitation is 30%.
Thursday Night
Rain likely, mainly after 1am. Mostly cloudy, with a low around 37. Chance of precipitation is 70%.
Friday
Rain likely, mainly before 1pm. Mostly cloudy, with a high near 46. Chance of precipitation is 60%.
Friday Night
A chance of rain and snow. Mostly cloudy, with a low around 33. Chance of precipitation is 40%.
Saturday
A chance of rain and snow. Mostly cloudy, with a high near 39. Chance of precipitation is 30%.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 26. Chance of precipitation is 30%.
Sunday
A chance of snow. Mostly cloudy, with a high near 32. Chance of precipitation is 50%.
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:
1:05 am EST Feb 16, 2026
Forecast Valid:
4am EST Feb 16, 2026-6pm EST Feb 22, 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