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.

Overcast

50°F

10°C

Humidity 83%
Wind Speed W 13 G 25 mph
Barometer 29.89 in (1012.2 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Wind Chill45°F (7°C)
Last update 8 Mar 12:54 pm EDT
Extended Forecast for

Portage PA

  • This Afternoon

    This Afternoon: Sunny, with a high near 57. West wind around 14 mph, with gusts as high as 28 mph.

    High: 57 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 42. Southwest wind 6 to 8 mph, with gusts as high as 21 mph.

    Low: 42 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 64. Southwest wind 6 to 10 mph, with gusts as high as 21 mph.

    High: 64 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 48. Southwest wind around 5 mph.

    Low: 48 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 72. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 72 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers after 2am. Mostly cloudy, with a low around 57. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 57 °F

    Partly Cloudy
    then Chance
    Showers

  • Wednesday

    Wednesday: Showers likely, mainly between 8am and 2pm. Mostly cloudy, with a high near 73. Chance of precipitation is 70%.

    High: 73 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers, mainly after 8pm. Low around 36. Chance of precipitation is 90%.

    Low: 36 °F

    Showers

  • Thursday

    Thursday: A chance of rain and snow showers before 2pm. Mostly cloudy, with a high near 38. Breezy. Chance of precipitation is 40%.

    High: 38 °F

    Chance
    Rain/Snow and
    Breezy

Detailed Forecast

This Afternoon
Sunny, with a high near 57. West wind around 14 mph, with gusts as high as 28 mph.
Tonight
Clear, with a low around 42. Southwest wind 6 to 8 mph, with gusts as high as 21 mph.
Monday
Sunny, with a high near 64. Southwest wind 6 to 10 mph, with gusts as high as 21 mph.
Monday Night
Clear, with a low around 48. Southwest wind around 5 mph.
Tuesday
Sunny, with a high near 72. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday Night
A chance of showers after 2am. Mostly cloudy, with a low around 57. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Showers likely, mainly between 8am and 2pm. Mostly cloudy, with a high near 73. Chance of precipitation is 70%.
Wednesday Night
Showers, mainly after 8pm. Low around 36. Chance of precipitation is 90%.
Thursday
A chance of rain and snow showers before 2pm. Mostly cloudy, with a high near 38. Breezy. Chance of precipitation is 40%.
Thursday Night
Partly cloudy, with a low around 26.
Friday
A chance of rain and snow showers. Mostly cloudy, with a high near 50. Chance of precipitation is 40%.
Friday Night
A chance of showers. Mostly cloudy, with a low around 33. Chance of precipitation is 40%.
Saturday
Partly sunny, with a high near 44.
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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:
8:06 am EDT Mar 8, 2026
Forecast Valid:
1pm EDT Mar 8, 2026-6pm EDT Mar 14, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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