Hazardous Weather Conditions

Current conditions at

Johnstown - Cambria County Airport (KJST)

Lat: 40.31°NLon: 78.83°WElev: 2274ft.

Light Rain

64°F

18°C

Humidity 93%
Wind Speed E 3 mph
Barometer 30.02 in (1015.3 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 20 Aug 5:54 am EDT
Extended Forecast for

Portage PA

  • Today

    Today: Showers and possibly a thunderstorm.  High near 68. Calm wind becoming east around 5 mph in the afternoon.  Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

    High: 68 °F

    Showers

  • Tonight

    Tonight: Mostly cloudy, with a low around 58. Light east wind.

    Low: 58 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, then gradually becoming sunny, with a high near 73. Southeast wind 3 to 7 mph.

    High: 73 °F

    Becoming
    Sunny

  • Friday Night

    Friday Night: A chance of showers before 11pm, then a chance of showers and thunderstorms between 11pm and 5am, then a chance of showers after 5am.  Mostly cloudy, with a low around 61. Southeast wind 3 to 5 mph.  Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 61 °F

    Chance
    Showers

  • Saturday

    Saturday: A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers and possibly a thunderstorm after 2pm.  High near 75. Light and variable wind becoming south around 6 mph in the morning.  Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 75 °F

    Chance
    Showers then
    Showers

  • Saturday Night

    Saturday Night: Showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am.  Low around 60. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 60 °F

    Showers then
    Chance
    Showers

  • Sunday

    Sunday: A chance of showers after 8am.  Partly sunny, with a high near 71. Chance of precipitation is 40%.

    High: 71 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 55.

    Low: 55 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 70.

    High: 70 °F

    Mostly Sunny

Detailed Forecast

Today
Showers and possibly a thunderstorm. High near 68. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Tonight
Mostly cloudy, with a low around 58. Light east wind.
Friday
Partly sunny, then gradually becoming sunny, with a high near 73. Southeast wind 3 to 7 mph.
Friday Night
A chance of showers before 11pm, then a chance of showers and thunderstorms between 11pm and 5am, then a chance of showers after 5am. Mostly cloudy, with a low around 61. Southeast wind 3 to 5 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 75. Light and variable wind becoming south around 6 mph in the morning. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Low around 60. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
A chance of showers after 8am. Partly sunny, with a high near 71. Chance of precipitation is 40%.
Sunday Night
Partly cloudy, with a low around 55.
Monday
Mostly sunny, with a high near 70.
Monday Night
Mostly clear, with a low around 54.
Tuesday
Mostly sunny, with a high near 73.
Tuesday Night
Partly cloudy, with a low around 58.
Wednesday
Mostly sunny, with a high near 76.
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ABOUT THIS FORECAST

 
Point Forecast:
Portage PA
 40.38°N 78.66°W (Elev. 2096 ft)
4:01 am EDT Aug 20, 2026
6am EDT Aug 20, 2026-6pm EDT Aug 26, 2026
 
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Additional Resources

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