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

65°F

18°C

Humidity 84%
Wind Speed W 5 mph
Barometer 30.02 in (1015.4 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 26 Jul 8:54 am EDT
Extended Forecast for

Chest Springs PA

  • Today

    Today: Mostly sunny, with a high near 78. Northwest wind 3 to 8 mph.

    High: 78 °F

    Mostly Sunny

  • Tonight

    Tonight: A slight chance of showers and thunderstorms, then a chance of showers after 2am. Partly cloudy, with a low around 60. Light and variable wind. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 60 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Monday

    Monday: Mostly sunny, with a high near 80. West wind 3 to 8 mph.

    High: 80 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2am. Low around 63. South wind 3 to 6 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 63 °F

    Chance
    T-storms then
    Showers

  • Tuesday

    Tuesday: Showers and possibly a thunderstorm. High near 75. Southwest wind 8 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 75 °F

    Showers

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 59. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 59 °F

    Showers
    Likely

  • Wednesday

    Wednesday: A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 73. Chance of precipitation is 60%.

    High: 73 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm before 8pm. Partly cloudy, with a low around 56. Chance of precipitation is 60%.

    Low: 56 °F

    Showers
    Likely then
    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 74.

    High: 74 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 78. Northwest wind 3 to 8 mph.
Tonight
A slight chance of showers and thunderstorms, then a chance of showers after 2am. Partly cloudy, with a low around 60. Light and variable wind. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
Mostly sunny, with a high near 80. West wind 3 to 8 mph.
Monday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2am. Low around 63. South wind 3 to 6 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
Showers and possibly a thunderstorm. High near 75. Southwest wind 8 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 59. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 73. Chance of precipitation is 60%.
Wednesday Night
Showers likely and possibly a thunderstorm before 8pm. Partly cloudy, with a low around 56. Chance of precipitation is 60%.
Thursday
Mostly sunny, with a high near 74.
Thursday Night
Partly cloudy, with a low around 57.
Friday
Mostly sunny, with a high near 76.
Friday Night
Partly cloudy, with a low around 60.
Saturday
A chance of showers. Partly sunny, with a high near 77. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
Chest Springs PA
 40.58°N 78.62°W (Elev. 1896 ft)
Last Update:
8:05 am EDT Jul 26, 2026
Forecast Valid:
9am EDT Jul 26, 2026-6pm EDT Aug 1, 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