Current conditions at

Johnstown - Cambria County Airport (KJST)

Lat: 40.31°NLon: 78.83°WElev: 2274ft.

Fair

60°F

16°C

Humidity 78%
Wind Speed SE 3 mph
Barometer 30.11 in (1018.8 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Last update 21 Aug 10:54 pm EDT
Extended Forecast for

Portage PA

  • Tonight

    Tonight: Partly cloudy, with a low around 58. Southeast wind 3 to 6 mph.

    Low: 58 °F

    Partly Cloudy

  • Saturday

    Saturday: A chance of showers before 2pm, then a chance of showers and thunderstorms between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm.  Mostly cloudy, with a high near 72. Southeast wind 6 to 8 mph.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 72 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm.  Low around 60. Southeast wind 6 to 8 mph becoming southwest after midnight.  Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 60 °F

    Showers

  • Sunday

    Sunday: Showers likely, with thunderstorms also possible after 2pm.  Partly sunny, with a high near 68. West wind 9 to 14 mph, with gusts as high as 25 mph.  Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 68 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 8pm.  Partly cloudy, with a low around 54. West wind 7 to 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 30%.

    Low: 54 °F

    Chance
    Showers then
    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 67.

    High: 67 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 52.

    Low: 52 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 70.

    High: 70 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 56.

    Low: 56 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 58. Southeast wind 3 to 6 mph.
Saturday
A chance of showers before 2pm, then a chance of showers and thunderstorms between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Mostly cloudy, with a high near 72. Southeast wind 6 to 8 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. Low around 60. Southeast wind 6 to 8 mph becoming southwest after midnight. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
Showers likely, with thunderstorms also possible after 2pm. Partly sunny, with a high near 68. West wind 9 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. 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 before 8pm. Partly cloudy, with a low around 54. West wind 7 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 67.
Monday Night
Mostly clear, with a low around 52.
Tuesday
Mostly sunny, with a high near 70.
Tuesday Night
Partly cloudy, with a low around 56.
Wednesday
Mostly sunny, with a high near 75.
Wednesday Night
Mostly cloudy, with a low around 60.
Thursday
A chance of showers. Partly sunny, with a high near 75. Chance of precipitation is 40%.
Thursday Night
A chance of showers. Partly cloudy, with a low around 61. Chance of precipitation is 30%.
Friday
Partly sunny, with a high near 75.
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ABOUT THIS FORECAST

 
Point Forecast:
Portage PA
 40.36°N 78.66°W (Elev. 2103 ft)
8:11 pm EDT Aug 21, 2026
11pm EDT Aug 21, 2026-6pm EDT Aug 28, 2026
 
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Additional Resources

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