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Hazardous Weather Conditions

Current conditions at

Johnstown - Cambria County Airport (KJST)

Lat: 40.31°NLon: 78.83°WElev: 2274ft.

Fog/Mist

31°F

-1°C

Humidity 96%
Wind Speed Calm
Barometer 30.13 in (1022.5 mb)
Dewpoint 30°F (-1°C)
Visibility 6.00 mi
Last update 20 Nov 3:54 am EST
Extended Forecast for

Johnstown-Cambria County Airport PA

Dense Fog Advisory November 20, 04:55am until November 20, 09:00am
Click here for hazard details and duration
...
  •  
    Dense Fog Advisory November 20, 04:55am until November 20, 09:00am

    NOW until 9:00am Thu

    Dense Fog Advisory

  • Today

    High: 44 °F

    Cloudy

  • Tonight

    Tonight: Cloudy, with a low around 38. Southwest wind around 6 mph.

    Low: 38 °F

    Cloudy

  • Friday

    Friday: A chance of rain. Cloudy, with a high near 52. Southwest wind around 7 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    High: 52 °F

    Chance Rain

  • Friday Night

    Friday Night: Rain likely, mainly before 1am. Cloudy, with a low around 38. Northwest wind around 7 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 38 °F

    Rain Likely

  • Saturday

    Saturday: A slight chance of rain before 1pm. Partly sunny, with a high near 44. Northwest wind 7 to 9 mph. Chance of precipitation is 20%.

    High: 44 °F

    Slight Chance
    Rain

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 29.

    Low: 29 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 48.

    High: 48 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 34.

    Low: 34 °F

    Partly Cloudy

Detailed Forecast

Today
Cloudy, with a high near 44. South wind 3 to 6 mph.
Tonight
Cloudy, with a low around 38. Southwest wind around 6 mph.
Friday
A chance of rain. Cloudy, with a high near 52. Southwest wind around 7 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
Rain likely, mainly before 1am. Cloudy, with a low around 38. Northwest wind around 7 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Saturday
A slight chance of rain before 1pm. Partly sunny, with a high near 44. Northwest wind 7 to 9 mph. Chance of precipitation is 20%.
Saturday Night
Partly cloudy, with a low around 29.
Sunday
Mostly sunny, with a high near 48.
Sunday Night
Partly cloudy, with a low around 34.
Monday
Partly sunny, with a high near 49.
Monday Night
A chance of rain after 1am. Mostly cloudy, with a low around 37. Chance of precipitation is 30%.
Tuesday
Rain likely. Cloudy, with a high near 49. Chance of precipitation is 60%.
Tuesday Night
Rain likely. Mostly cloudy, with a low around 41. Chance of precipitation is 70%.
Wednesday
A chance of rain. Mostly cloudy, with a high near 52. 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:
4:51 am EST Nov 20, 2025
Forecast Valid:
4am EST Nov 20, 2025-6pm EST Nov 26, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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