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

38°F

3°C

Humidity 65%
Wind Speed W 14 G 23 mph
Barometer 30.13 in (1021.5 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill30°F (-1°C)
Last update 6 Nov 7:54 am EST
Extended Forecast for

Portage PA

  • Today

    Today: Mostly sunny, with a high near 48. Northwest wind 10 to 16 mph, with gusts as high as 28 mph.

    High: 48 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 33. Calm wind becoming south around 6 mph after midnight.

    Low: 33 °F

    Partly Cloudy

  • Friday

    Friday: Showers likely after 1pm. Mostly cloudy, with a high near 60. South wind 9 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 60 °F

    Partly Sunny
    then Showers
    Likely

  • Friday Night

    Friday Night: Showers, mainly before 1am. Low around 46. West wind 8 to 10 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 46 °F

    Showers

  • Saturday

    Saturday: Partly sunny, with a high near 57. West wind 8 to 10 mph, with gusts as high as 20 mph.

    High: 57 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A chance of showers after 1am. Mostly cloudy, with a low around 42. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 42 °F

    Mostly Cloudy
    then Chance
    Showers

  • Sunday

    Sunday: Showers likely, mainly before 1pm. Mostly cloudy, with a high near 54. Chance of precipitation is 70%.

    High: 54 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: A chance of rain and snow showers before 1am, then a chance of snow showers. Mostly cloudy, with a low around 27. Chance of precipitation is 50%.

    Low: 27 °F

    Chance
    Rain/Snow

  • Monday

    Monday: A chance of snow showers. Mostly cloudy, with a high near 33. Chance of precipitation is 50%.

    High: 33 °F

    Chance Snow
    Showers

Detailed Forecast

Today
Mostly sunny, with a high near 48. Northwest wind 10 to 16 mph, with gusts as high as 28 mph.
Tonight
Partly cloudy, with a low around 33. Calm wind becoming south around 6 mph after midnight.
Friday
Showers likely after 1pm. Mostly cloudy, with a high near 60. South wind 9 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
Showers, mainly before 1am. Low around 46. West wind 8 to 10 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
Partly sunny, with a high near 57. West wind 8 to 10 mph, with gusts as high as 20 mph.
Saturday Night
A chance of showers after 1am. Mostly cloudy, with a low around 42. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Showers likely, mainly before 1pm. Mostly cloudy, with a high near 54. Chance of precipitation is 70%.
Sunday Night
A chance of rain and snow showers before 1am, then a chance of snow showers. Mostly cloudy, with a low around 27. Chance of precipitation is 50%.
Monday
A chance of snow showers. Mostly cloudy, with a high near 33. Chance of precipitation is 50%.
Monday Night
A chance of snow showers. Mostly cloudy, with a low around 24. Chance of precipitation is 50%.
Veterans Day
Mostly cloudy, with a high near 37.
Tuesday Night
Mostly cloudy, with a low around 29.
Wednesday
Mostly sunny, with a high near 45. Breezy.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Portage PA
 40.39°N 78.68°W (Elev. 1621 ft)
Last Update:
7:33 am EST Nov 6, 2025
Forecast Valid:
8am EST Nov 6, 2025-6pm EST Nov 12, 2025
 
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Additional Resources

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High Temperature

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Chance of Precipitation