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

Hazardous Weather Conditions

Current conditions at

Johnstown - Cambria County Airport (KJST)

Lat: 40.31°NLon: 78.83°WElev: 2274ft.

Fog/Mist

37°F

3°C

Humidity 100%
Wind Speed SE 5 mph
Barometer 30.12 in (1021.9 mb)
Dewpoint 37°F (3°C)
Visibility 1.25 mi
Wind Chill33°F (1°C)
Last update 20 Nov 9:54 am EST
Extended Forecast for

2 Miles N Brownstown PA

Dense Fog Advisory November 20, 10:01am until November 20, 11:00am
Click here for hazard details and duration
...
  •  
    Dense Fog Advisory November 20, 10:01am until November 20, 11:00am

    NOW until 11:00am Thu

    Dense Fog Advisory

  • Today

    High: 49 °F

    Cloudy

  • Tonight

    Tonight: Patchy fog before 1am, then patchy fog after 2am. Otherwise, cloudy, with a low around 40. Calm wind.

    Low: 40 °F

    Cloudy then
    Patchy Fog

  • Friday

    Friday: A chance of rain. Cloudy, with a high near 57. Calm wind becoming west around 6 mph in the afternoon. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    High: 57 °F

    Chance Rain

  • Friday Night

    Friday Night: Rain likely, mainly before 1am. Cloudy, with a low around 39. Calm wind. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 39 °F

    Rain Likely

  • Saturday

    Saturday: A slight chance of rain before 1pm. Partly sunny, with a high near 49. Calm wind becoming northwest around 6 mph in the morning. Chance of precipitation is 20%.

    High: 49 °F

    Slight Chance
    Rain

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 28.

    Low: 28 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 52.

    High: 52 °F

    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 49. Calm wind.
Tonight
Patchy fog before 1am, then patchy fog after 2am. Otherwise, cloudy, with a low around 40. Calm wind.
Friday
A chance of rain. Cloudy, with a high near 57. Calm wind becoming west around 6 mph in the afternoon. 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 39. Calm wind. 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 49. Calm wind becoming northwest around 6 mph in the morning. Chance of precipitation is 20%.
Saturday Night
Partly cloudy, with a low around 28.
Sunday
Sunny, with a high near 52.
Sunday Night
Partly cloudy, with a low around 34.
Monday
Partly sunny, with a high near 54.
Monday Night
A chance of rain after 1am. Mostly cloudy, with a low around 37. Chance of precipitation is 30%.
Tuesday
Rain likely. Mostly cloudy, with a high near 56. Chance of precipitation is 60%.
Tuesday Night
Rain likely. Mostly cloudy, with a low around 44. Chance of precipitation is 70%.
Wednesday
A chance of rain. Mostly cloudy, with a high near 58. Chance of precipitation is 40%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles N Brownstown PA
 40.37°N 78.95°W (Elev. 1198 ft)
Last Update:
8:56 am EST Nov 20, 2025
Forecast Valid:
10am EST Nov 20, 2025-6pm EST Nov 26, 2025
 
Forecast Discussion
 
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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