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.

Partly Cloudy

70°F

21°C

Humidity 73%
Wind Speed W 9 mph
Barometer 30.15 in (1020.0 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 26 Jun 2:54 pm EDT
Extended Forecast for

3 Miles SW Revloc PA

  • Tonight

    Tonight: A chance of rain before 2am, then a chance of rain and thunderstorms between 2am and 3am, then rain likely and possibly a thunderstorm after 3am. Cloudy, with a low around 59. Light and variable wind. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 59 °F

    Rain Likely

  • Saturday

    Saturday: Rain and possibly a thunderstorm before 4pm, then showers and possibly a thunderstorm, mainly after 4pm. High near 73. East wind 3 to 5 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 73 °F

    Showers

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms. Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 61. Light east wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 61 °F

    Chance
    T-storms then
    Chance
    Showers and
    Patchy Fog

  • Sunday

    Sunday: A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 78. Calm wind becoming northeast around 5 mph in the afternoon. Chance of precipitation is 40%.

    High: 78 °F

    Chance
    Showers then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of thunderstorms before 8pm. Partly cloudy, with a low around 61. Calm wind. Chance of precipitation is 30%.

    Low: 61 °F

    Chance
    T-storms then
    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 83.

    High: 83 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 65.

    Low: 65 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 87.

    High: 87 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 69.

    Low: 69 °F

    Mostly Clear

Detailed Forecast

Tonight
A chance of rain before 2am, then a chance of rain and thunderstorms between 2am and 3am, then rain likely and possibly a thunderstorm after 3am. Cloudy, with a low around 59. Light and variable wind. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
Rain and possibly a thunderstorm before 4pm, then showers and possibly a thunderstorm, mainly after 4pm. High near 73. East wind 3 to 5 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
A chance of showers and thunderstorms. Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 61. Light east wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 78. Calm wind becoming northeast around 5 mph in the afternoon. Chance of precipitation is 40%.
Sunday Night
A chance of thunderstorms before 8pm. Partly cloudy, with a low around 61. Calm wind. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 83.
Monday Night
Partly cloudy, with a low around 65.
Tuesday
Mostly sunny, with a high near 87.
Tuesday Night
Mostly clear, with a low around 69.
Wednesday
Sunny, with a high near 89.
Wednesday Night
Mostly clear, with a low around 71.
Thursday
Sunny, with a high near 91.
Thursday Night
Mostly clear, with a low around 70.
Friday
Mostly sunny, with a high near 87.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SW Revloc PA
 40.46°N 78.79°W (Elev. 1798 ft)
Last Update:
2:21 pm EDT Jun 26, 2026
Forecast Valid:
3pm EDT Jun 26, 2026-6pm EDT Jul 3, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation