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.

Overcast

67°F

19°C

Humidity 87%
Wind Speed SE 7 mph
Barometer 30.11 in (1018.6 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 15 Jun 9:54 am EDT
Extended Forecast for

South Fork PA

  • Today

    Today: Scattered showers and thunderstorms before 2pm, then showers likely and possibly a thunderstorm between 2pm and 5pm, then scattered showers and thunderstorms after 5pm. Cloudy, with a high near 69. Southeast wind 3 to 6 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 69 °F

    Scattered
    Showers then
    Showers
    Likely

  • Tonight

    Tonight: Scattered showers and thunderstorms. Patchy fog between 9pm and midnight. Otherwise, mostly cloudy, with a low around 60. Southeast wind 3 to 6 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 60 °F

    Chance
    T-storms and
    Patchy Fog
    then Chance
    Showers

  • Monday

    Monday: A chance of showers. Mostly cloudy, with a high near 69. Southeast wind around 7 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    High: 69 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 62. Southeast wind 3 to 6 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 62 °F

    Chance
    T-storms then
    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 76. South wind 3 to 6 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 76 °F

    Chance
    Showers then
    Showers

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms after 8pm. Low around 66. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 66 °F

    Showers then
    Chance
    T-storms

  • Wednesday

    Wednesday: Showers likely after 2pm. Partly sunny, with a high near 83. Chance of precipitation is 60%.

    High: 83 °F

    Mostly Cloudy
    then Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers likely, with thunderstorms also possible after 8pm. Mostly cloudy, with a low around 68. Chance of precipitation is 60%.

    Low: 68 °F

    Showers
    Likely then
    Chance
    T-storms

  • Juneteenth

    Juneteenth: Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 79. Chance of precipitation is 70%.

    High: 79 °F

    Showers
    Likely

Detailed Forecast

Today
Scattered showers and thunderstorms before 2pm, then showers likely and possibly a thunderstorm between 2pm and 5pm, then scattered showers and thunderstorms after 5pm. Cloudy, with a high near 69. Southeast wind 3 to 6 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Scattered showers and thunderstorms. Patchy fog between 9pm and midnight. Otherwise, mostly cloudy, with a low around 60. Southeast wind 3 to 6 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
A chance of showers. Mostly cloudy, with a high near 69. Southeast wind around 7 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 62. Southeast wind 3 to 6 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 76. South wind 3 to 6 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms after 8pm. Low around 66. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
Showers likely after 2pm. Partly sunny, with a high near 83. Chance of precipitation is 60%.
Wednesday Night
Showers likely, with thunderstorms also possible after 8pm. Mostly cloudy, with a low around 68. Chance of precipitation is 60%.
Juneteenth
Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 79. Chance of precipitation is 70%.
Thursday Night
A chance of thunderstorms before 8pm. Mostly cloudy, with a low around 61. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 76.
Friday Night
Mostly clear, with a low around 60.
Saturday
Mostly sunny, with a high near 82.
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ABOUT THIS FORECAST

 
Point Forecast:
South Fork PA
 40.37°N 78.8°W (Elev. 1572 ft)
Last Update:
9:48 am EDT Jun 15, 2025
Forecast Valid:
10am EDT Jun 15, 2025-6pm EDT Jun 21, 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