Current conditions at

Johnstown - Cambria County Airport (KJST)

Lat: 40.31°NLon: 78.83°WElev: 2274ft.

Overcast

58°F

14°C

Humidity 78%
Wind Speed SE 6 mph
Barometer 30.18 in (1021.6 mb)
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Last update 15 Oct 12:54 pm EDT
Extended Forecast for

Portage PA

  • This Afternoon

    This Afternoon: A chance of showers, mainly after 5pm.  Partly sunny, with a high near 59. Southeast wind around 8 mph.  Chance of precipitation is 30%.

    High: 59 °F

    Chance
    Showers

  • Tonight

    Tonight: A chance of rain and thunderstorms before 3am, then rain likely and possibly a thunderstorm between 3am and 5am, then a chance of rain and thunderstorms after 5am.  Mostly cloudy, with a low around 55. South wind 8 to 10 mph, with gusts as high as 22 mph.  Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 55 °F

    Rain Likely

  • Friday

    Friday: Rain and thunderstorms likely, then showers and possibly a thunderstorm after 4pm.  High near 72. Southwest wind 11 to 18 mph, with gusts as high as 36 mph.  Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 72 °F

    Slight Chance
    Rain then
    Showers

  • Friday Night

    Friday Night: Showers likely, mainly before 11pm.  Mostly cloudy, with a low around 38. West wind around 17 mph, with gusts as high as 32 mph.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 38 °F

    Showers
    Likely

  • Saturday

    Saturday: Mostly sunny, with a high near 45. North wind 14 to 16 mph, with gusts as high as 31 mph.

    High: 45 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Widespread frost, mainly after midnight.  Otherwise, clear, with a low around 31.

    Low: 31 °F

    Frost

  • Sunday

    Sunday: Widespread frost before 9am.  Otherwise, sunny, with a high near 54.

    High: 54 °F

    Frost then
    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 36.

    Low: 36 °F

    Mostly Clear

  • Monday

    Monday: Areas of frost before 8am.  Otherwise, sunny, with a high near 58.

    High: 58 °F

    Areas Frost
    then Sunny

Detailed Forecast

This Afternoon
A chance of showers, mainly after 5pm. Partly sunny, with a high near 59. Southeast wind around 8 mph. Chance of precipitation is 30%.
Tonight
A chance of rain and thunderstorms before 3am, then rain likely and possibly a thunderstorm between 3am and 5am, then a chance of rain and thunderstorms after 5am. Mostly cloudy, with a low around 55. South wind 8 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
Rain and thunderstorms likely, then showers and possibly a thunderstorm after 4pm. High near 72. Southwest wind 11 to 18 mph, with gusts as high as 36 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
Showers likely, mainly before 11pm. Mostly cloudy, with a low around 38. West wind around 17 mph, with gusts as high as 32 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Mostly sunny, with a high near 45. North wind 14 to 16 mph, with gusts as high as 31 mph.
Saturday Night
Widespread frost, mainly after midnight. Otherwise, clear, with a low around 31.
Sunday
Widespread frost before 9am. Otherwise, sunny, with a high near 54.
Sunday Night
Mostly clear, with a low around 36.
Monday
Areas of frost before 8am. Otherwise, sunny, with a high near 58.
Monday Night
Partly cloudy, with a low around 41.
Tuesday
Mostly sunny, with a high near 60.
Tuesday Night
Mostly clear, with a low around 41.
Wednesday
Sunny, with a high near 59.
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ABOUT THIS FORECAST

 
Point Forecast:
Portage PA
 40.38°N 78.66°W (Elev. 2096 ft)
12:31 pm EDT Oct 15, 2026
1pm EDT Oct 15, 2026-6pm EDT Oct 21, 2026
 
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