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.

Fair

71°F

22°C

Humidity 59%
Wind Speed N 6 mph
Barometer 30.05 in (1016.3 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 11 Sep 6:54 pm EDT
Extended Forecast for

Nanty Glo PA

  • Tonight

    Tonight: Increasing clouds, with a low around 61. Calm wind becoming southeast around 5 mph after midnight.

    Low: 61 °F

    Increasing
    Clouds

  • Saturday

    Saturday: A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 77. South wind around 9 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 77 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm before midnight, then a chance of showers and thunderstorms between midnight and 2am, then a chance of showers after 2am. Low around 64. South wind 3 to 6 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 64 °F

    Showers then
    Chance
    Showers

  • Sunday

    Sunday: A chance of showers, with thunderstorms also possible after 5pm. Cloudy, then gradually becoming mostly sunny, with a high near 77. West wind 5 to 8 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 77 °F

    Mostly Cloudy
    then Chance
    Showers

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 57. Northwest wind 3 to 6 mph. Chance of precipitation is 30%.

    Low: 57 °F

    Chance
    Showers

  • Monday

    Monday: A chance of showers before 8am. Mostly sunny, with a high near 70. Chance of precipitation is 30%.

    High: 70 °F

    Chance
    Showers then
    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 50.

    Low: 50 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 74.

    High: 74 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 58.

    Low: 58 °F

    Partly Cloudy

Detailed Forecast

Tonight
Increasing clouds, with a low around 61. Calm wind becoming southeast around 5 mph after midnight.
Saturday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 77. South wind around 9 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. 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 midnight, then a chance of showers and thunderstorms between midnight and 2am, then a chance of showers after 2am. Low around 64. South wind 3 to 6 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Sunday
A chance of showers, with thunderstorms also possible after 5pm. Cloudy, then gradually becoming mostly sunny, with a high near 77. West wind 5 to 8 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 57. Northwest wind 3 to 6 mph. Chance of precipitation is 30%.
Monday
A chance of showers before 8am. Mostly sunny, with a high near 70. Chance of precipitation is 30%.
Monday Night
Mostly clear, with a low around 50.
Tuesday
Sunny, with a high near 74.
Tuesday Night
Partly cloudy, with a low around 58.
Wednesday
A chance of showers after 2pm. Mostly sunny, with a high near 81. Chance of precipitation is 30%.
Wednesday Night
A chance of showers. Partly cloudy, with a low around 63. Chance of precipitation is 30%.
Thursday
Showers likely. Partly sunny, with a high near 77. Chance of precipitation is 60%.
Thursday Night
Showers likely. Mostly cloudy, with a low around 57. Chance of precipitation is 60%.
Friday
A chance of showers. Mostly sunny, with a high near 74. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
Nanty Glo PA
 40.47°N 78.85°W (Elev. 1939 ft)
Last Update:
2:21 pm EDT Sep 11, 2026
Forecast Valid:
7pm EDT Sep 11, 2026-6pm EDT Sep 18, 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