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

Hazardous Weather Conditions

Current conditions at

Johnstown - Cambria County Airport (KJST)

Lat: 40.31°NLon: 78.83°WElev: 2274ft.

Fair

63°F

17°C

Humidity 93%
Wind Speed Calm
Barometer 30.08 in (1018.0 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 20 Aug 7:54 pm EDT
Extended Forecast for

Geistown PA

  • Tonight

    Tonight: Patchy fog after 9pm. Otherwise, mostly cloudy, with a low around 58. Northeast wind around 5 mph becoming calm in the evening.

    Low: 58 °F

    Patchy Fog

  • Friday

    Friday: Patchy fog before 9am. Otherwise, mostly sunny, with a high near 75. East wind 3 to 6 mph.

    High: 75 °F

    Patchy Fog
    then Sunny

  • Friday Night

    Friday Night: A chance of showers and thunderstorms, mainly between 3am and 5am. Partly cloudy, with a low around 60. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.

    Low: 60 °F

    Mostly Clear
    then Chance
    Showers

  • Saturday

    Saturday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 75. Light and variable wind becoming south around 6 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 75 °F

    Chance
    Showers then
    Showers
    Likely

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm before 2am, then a chance of showers. Mostly cloudy, with a low around 59. South wind 3 to 5 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 59 °F

    Showers
    Likely

  • Sunday

    Sunday: A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 70. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 70 °F

    Chance
    Showers then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of thunderstorms before 8pm. Partly cloudy, with a low around 54. Chance of precipitation is 30%.

    Low: 54 °F

    Chance
    T-storms then
    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 69.

    High: 69 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 52.

    Low: 52 °F

    Partly Cloudy

Detailed Forecast

Tonight
Patchy fog after 9pm. Otherwise, mostly cloudy, with a low around 58. Northeast wind around 5 mph becoming calm in the evening.
Friday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 75. East wind 3 to 6 mph.
Friday Night
A chance of showers and thunderstorms, mainly between 3am and 5am. Partly cloudy, with a low around 60. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.
Saturday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 75. Light and variable wind becoming south around 6 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Showers likely and possibly a thunderstorm before 2am, then a chance of showers. Mostly cloudy, with a low around 59. South wind 3 to 5 mph. Chance of precipitation is 70%. New rainfall 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 70. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A chance of thunderstorms before 8pm. Partly cloudy, with a low around 54. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 69.
Monday Night
Partly cloudy, with a low around 52.
Tuesday
Mostly sunny, with a high near 73.
Tuesday Night
Partly cloudy, with a low around 56.
Wednesday
Mostly sunny, with a high near 77.
Wednesday Night
Partly cloudy, with a low around 61.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 77. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
Geistown PA
 40.29°N 78.87°W (Elev. 1896 ft)
Last Update:
8:06 pm EDT Aug 20, 2026
Forecast Valid:
8pm EDT Aug 20, 2026-6pm EDT Aug 27, 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