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.

Mostly Cloudy

57°F

14°C

Humidity 93%
Wind Speed S 10 mph
Barometer 30.09 in (1019.1 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 5 Mar 11:54 am EST
Extended Forecast for

South Fork PA

  • This Afternoon

    This Afternoon: Rain, with thunderstorms also possible after 4pm. High near 60. South wind around 6 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    High: 60 °F

    Rain

  • Tonight

    Tonight: Rain and possibly a thunderstorm before 3am, then a slight chance of rain between 3am and 4am. Low around 52. South wind 3 to 6 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 52 °F

    Rain then
    Chance Rain

  • Friday

    Friday: A chance of rain, mainly after 1pm. Mostly cloudy, with a high near 64. Southwest wind 3 to 6 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    High: 64 °F

    Chance Rain

  • Friday Night

    Friday Night: A chance of rain, mainly before 1am. Mostly cloudy, with a low around 53. Southeast wind 3 to 6 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 53 °F

    Chance Rain

  • Saturday

    Saturday: A chance of rain before 1pm, then showers between 1pm and 4pm, then showers and possibly a thunderstorm after 4pm. High near 73. Southwest wind 6 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 73 °F

    Chance Rain
    then Showers

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm before 7pm, then showers between 7pm and 1am, then a chance of rain after 1am. Low around 46. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 46 °F

    Showers

  • Sunday

    Sunday: Mostly sunny, with a high near 59.

    High: 59 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 44.

    Low: 44 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 66.

    High: 66 °F

    Sunny

Detailed Forecast

This Afternoon
Rain, with thunderstorms also possible after 4pm. High near 60. South wind around 6 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
Rain and possibly a thunderstorm before 3am, then a slight chance of rain between 3am and 4am. Low around 52. South wind 3 to 6 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Friday
A chance of rain, mainly after 1pm. Mostly cloudy, with a high near 64. Southwest wind 3 to 6 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
A chance of rain, mainly before 1am. Mostly cloudy, with a low around 53. Southeast wind 3 to 6 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
A chance of rain before 1pm, then showers between 1pm and 4pm, then showers and possibly a thunderstorm after 4pm. High near 73. Southwest wind 6 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Showers and possibly a thunderstorm before 7pm, then showers between 7pm and 1am, then a chance of rain after 1am. Low around 46. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
Mostly sunny, with a high near 59.
Sunday Night
Mostly clear, with a low around 44.
Monday
Sunny, with a high near 66.
Monday Night
Mostly clear, with a low around 51.
Tuesday
A chance of showers. Partly sunny, with a high near 71. Chance of precipitation is 40%.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 58. Chance of precipitation is 40%.
Wednesday
Showers likely. Mostly cloudy, with a high near 74. Chance of precipitation is 60%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
South Fork PA
 40.35°N 78.78°W (Elev. 1683 ft)
Last Update:
7:06 am EST Mar 5, 2026
Forecast Valid:
12pm EST Mar 5, 2026-6pm EDT Mar 11, 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