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Hazardous Weather Conditions

Current conditions at

Johnstown - Cambria County Airport (KJST)

Lat: 40.31°NLon: 78.83°WElev: 2274ft.

Fair

40°F

4°C

Humidity 73%
Wind Speed N 3 mph
Barometer 30.21 in (1023.8 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 6 Oct 7:54 am EDT
Extended Forecast for

South Fork PA

Frost Advisory October 6, 07:57am until October 6, 09:00am
Click here for hazard details and duration
...
  •  
    Frost Advisory October 6, 07:57am until October 6, 09:00am

    NOW until 9:00am Tue

    Frost Advisory

  • Today

    High: 61 °F

    Areas Frost
    and Patchy
    Fog then
    Sunny

  • Tonight

    Tonight: Clear, with a low around 41. Calm wind.

    Low: 41 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 69. Light southwest wind increasing to 5 to 9 mph in the morning.

    High: 69 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 53. Southwest wind around 6 mph.

    Low: 53 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 69. West wind 5 to 13 mph, with gusts as high as 23 mph.

    High: 69 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 43.

    Low: 43 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 65.

    High: 65 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 43.

    Low: 43 °F

    Mostly Clear

Detailed Forecast

Today
Patchy fog before 9am. Areas of frost before 9am. Otherwise, sunny, with a high near 61. Light northwest wind.
Tonight
Clear, with a low around 41. Calm wind.
Wednesday
Sunny, with a high near 69. Light southwest wind increasing to 5 to 9 mph in the morning.
Wednesday Night
Partly cloudy, with a low around 53. Southwest wind around 6 mph.
Thursday
Sunny, with a high near 69. West wind 5 to 13 mph, with gusts as high as 23 mph.
Thursday Night
Mostly clear, with a low around 43.
Friday
Sunny, with a high near 65.
Friday Night
Mostly clear, with a low around 43.
Saturday
Sunny, with a high near 69.
Saturday Night
Partly cloudy, with a low around 48.
Sunday
A chance of showers. Partly sunny, with a high near 68. Chance of precipitation is 30%.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 52. Chance of precipitation is 50%.
Columbus Day
A chance of showers. Mostly cloudy, with a high near 69. Chance of precipitation is 40%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
South Fork PA
 40.37°N 78.77°W (Elev. 1542 ft)
Last Update:
7:11 am EDT Oct 6, 2026
Forecast Valid:
7am EDT Oct 6, 2026-6pm EDT Oct 12, 2026
 
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