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

Johnstown - Cambria County Airport (KJST)

Lat: 40.31°NLon: 78.83°WElev: 2274ft.

Fair

50°F

10°C

Humidity 48%
Wind Speed NW 14 mph
Barometer 30.12 in (1020.8 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Wind Chill45°F (7°C)
Last update 16 Oct 12:54 pm EDT
Extended Forecast for

South Fork PA

  • This Afternoon

    This Afternoon: Sunny, with a high near 57. Northwest wind around 11 mph, with gusts as high as 22 mph.

    High: 57 °F

    Sunny

  • Tonight

    Tonight: Widespread frost, mainly after 4am. Otherwise, clear, with a low around 32. Northwest wind 5 to 7 mph becoming calm in the evening.

    Low: 32 °F

    Clear then
    Frost

  • Friday

    Friday: Widespread frost, mainly before 9am. Otherwise, sunny, with a high near 60. Calm wind becoming northwest around 6 mph in the afternoon.

    High: 60 °F

    Frost then
    Mostly Sunny

  • Friday Night

    Friday Night: A slight chance of showers after 2am. Increasing clouds, with a low around 43. Calm wind. Chance of precipitation is 20%.

    Low: 43 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Saturday

    Saturday: Partly sunny, with a high near 70. Calm wind becoming south around 6 mph in the afternoon.

    High: 70 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A chance of showers after 2am. Partly cloudy, with a low around 52. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 52 °F

    Partly Cloudy
    then Chance
    Showers

  • Sunday

    Sunday: A chance of showers, then showers and possibly a thunderstorm after 2pm. High near 69. Chance of precipitation is 90%.

    High: 69 °F

    Chance
    Showers then
    Showers

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm before 8pm, then showers likely. Low around 44. Chance of precipitation is 80%.

    Low: 44 °F

    Showers

  • Monday

    Monday: A chance of showers before 2pm. Mostly sunny, with a high near 57. Chance of precipitation is 30%.

    High: 57 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
Sunny, with a high near 57. Northwest wind around 11 mph, with gusts as high as 22 mph.
Tonight
Widespread frost, mainly after 4am. Otherwise, clear, with a low around 32. Northwest wind 5 to 7 mph becoming calm in the evening.
Friday
Widespread frost, mainly before 9am. Otherwise, sunny, with a high near 60. Calm wind becoming northwest around 6 mph in the afternoon.
Friday Night
A slight chance of showers after 2am. Increasing clouds, with a low around 43. Calm wind. Chance of precipitation is 20%.
Saturday
Partly sunny, with a high near 70. Calm wind becoming south around 6 mph in the afternoon.
Saturday Night
A chance of showers after 2am. Partly cloudy, with a low around 52. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
A chance of showers, then showers and possibly a thunderstorm after 2pm. High near 69. Chance of precipitation is 90%.
Sunday Night
Showers and possibly a thunderstorm before 8pm, then showers likely. Low around 44. Chance of precipitation is 80%.
Monday
A chance of showers before 2pm. Mostly sunny, with a high near 57. Chance of precipitation is 30%.
Monday Night
Mostly clear, with a low around 40.
Tuesday
A chance of showers. Partly sunny, with a high near 64. Chance of precipitation is 50%.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 40. Chance of precipitation is 50%.
Wednesday
A chance of showers. Partly sunny, with a high near 50. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
South Fork PA
 40.37°N 78.8°W (Elev. 1572 ft)
Last Update:
12:16 pm EDT Oct 16, 2025
Forecast Valid:
1pm EDT Oct 16, 2025-6pm EDT Oct 22, 2025
 
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Additional Resources

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National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation