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

50°F

10°C

Humidity 63%
Wind Speed S 7 mph
Barometer 29.83 in (1010.3 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Wind Chill47°F (8°C)
Last update 8 Nov 9:54 pm EST
Extended Forecast for

Portage PA

  • Tonight

    Tonight: A slight chance of showers after 4am. Mostly cloudy, with a low around 42. Light south wind. Chance of precipitation is 20%.

    Low: 42 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Sunday

    Sunday: Showers, mainly before 2pm. High near 56. Light and variable wind becoming southwest 6 to 11 mph in the morning. Winds could gust as high as 22 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 56 °F

    Showers

  • Sunday Night

    Sunday Night: Rain showers likely before 10pm, then rain and snow showers likely between 10pm and 1am, then snow showers likely after 1am. Cloudy, with a low around 30. West wind around 10 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 30 °F

    Rain/Snow
    Likely

  • Monday

    Monday: A chance of snow showers. Mostly cloudy, with a high near 36. West wind 10 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

    High: 36 °F

    Chance Snow
    Showers

  • Monday Night

    Monday Night: A chance of snow showers. Mostly cloudy, with a low around 22. West wind 10 to 14 mph, with gusts as high as 29 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

    Low: 22 °F

    Chance Snow
    Showers

  • Veterans Day

    Veterans Day: A chance of snow showers before 1pm. Mostly cloudy, with a high near 34. Breezy. Chance of precipitation is 40%.

    High: 34 °F

    Chance Snow
    Showers and
    Breezy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 27.

    Low: 27 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of showers after 1pm. Partly sunny, with a high near 44. Breezy. Chance of precipitation is 30%.

    High: 44 °F

    Breezy.
    Partly Sunny
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of rain showers before 1am, then a chance of rain and snow showers. Mostly cloudy, with a low around 33. Chance of precipitation is 30%.

    Low: 33 °F

    Chance
    Showers then
    Chance
    Rain/Snow

Detailed Forecast

Tonight
A slight chance of showers after 4am. Mostly cloudy, with a low around 42. Light south wind. Chance of precipitation is 20%.
Sunday
Showers, mainly before 2pm. High near 56. Light and variable wind becoming southwest 6 to 11 mph in the morning. Winds could gust as high as 22 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
Rain showers likely before 10pm, then rain and snow showers likely between 10pm and 1am, then snow showers likely after 1am. Cloudy, with a low around 30. West wind around 10 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Monday
A chance of snow showers. Mostly cloudy, with a high near 36. West wind 10 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
Monday Night
A chance of snow showers. Mostly cloudy, with a low around 22. West wind 10 to 14 mph, with gusts as high as 29 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
Veterans Day
A chance of snow showers before 1pm. Mostly cloudy, with a high near 34. Breezy. Chance of precipitation is 40%.
Tuesday Night
Mostly cloudy, with a low around 27.
Wednesday
A chance of showers after 1pm. Partly sunny, with a high near 44. Breezy. Chance of precipitation is 30%.
Wednesday Night
A chance of rain showers before 1am, then a chance of rain and snow showers. Mostly cloudy, with a low around 33. Chance of precipitation is 30%.
Thursday
Partly sunny, with a high near 42. Breezy.
Thursday Night
Partly cloudy, with a low around 31.
Friday
Mostly sunny, with a high near 45.
Friday Night
Partly cloudy, with a low around 32.
Saturday
Partly sunny, with a high near 50.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Portage PA
 40.39°N 78.68°W (Elev. 1621 ft)
Last Update:
7:06 pm EST Nov 8, 2025
Forecast Valid:
10pm EST Nov 8, 2025-6pm EST Nov 15, 2025
 
Forecast Discussion
 
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Additional Resources

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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