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.

Fog/Mist

23°F

-5°C

Humidity 85%
Wind Speed W 17 G 32 mph
Barometer 30.13 in (1023.4 mb)
Dewpoint 19°F (-7°C)
Visibility 6.00 mi
Wind Chill9°F (-13°C)
Last update 11 Jan 8:54 pm EST
Extended Forecast for

2 Miles SSE Portage PA

  • Tonight

    Tonight: Mostly cloudy, with a low around 23. Breezy, with a west wind 18 to 24 mph, with gusts as high as 44 mph.

    Low: 23 °F

    Mostly Cloudy
    and Breezy

  • Monday

    Monday: Mostly cloudy, then gradually becoming sunny, with a high near 33. West wind 15 to 17 mph, with gusts as high as 31 mph.

    High: 33 °F

    Decreasing
    Clouds

  • Monday Night

    Monday Night: Mostly clear, with a low around 27. West wind 13 to 15 mph, with gusts as high as 28 mph.

    Low: 27 °F

    Mostly Clear

  • Tuesday

    Tuesday: Increasing clouds, with a high near 41. Southwest wind around 10 mph, with gusts as high as 22 mph.

    High: 41 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: A chance of showers, mainly after 1am. Mostly cloudy, with a low around 36. Southwest wind 11 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 30%.

    Low: 36 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A chance of rain showers before 1pm, then rain, possibly mixed with snow showers. High near 39. Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 39 °F

    Chance
    Showers then
    Rain/Snow

  • Wednesday Night

    Wednesday Night: Rain and snow, becoming all snow after 1am. Low around 24. Chance of precipitation is 80%.

    Low: 24 °F

    Rain/Snow

  • Thursday

    Thursday: Snow likely, mainly before 1pm. Mostly cloudy, with a high near 26. Chance of precipitation is 60%.

    High: 26 °F

    Snow Likely

  • Thursday Night

    Thursday Night: A chance of snow before 1am. Mostly cloudy, with a low around 14. Chance of precipitation is 30%.

    Low: 14 °F

    Chance Snow

Detailed Forecast

Tonight
Mostly cloudy, with a low around 23. Breezy, with a west wind 18 to 24 mph, with gusts as high as 44 mph.
Monday
Mostly cloudy, then gradually becoming sunny, with a high near 33. West wind 15 to 17 mph, with gusts as high as 31 mph.
Monday Night
Mostly clear, with a low around 27. West wind 13 to 15 mph, with gusts as high as 28 mph.
Tuesday
Increasing clouds, with a high near 41. Southwest wind around 10 mph, with gusts as high as 22 mph.
Tuesday Night
A chance of showers, mainly after 1am. Mostly cloudy, with a low around 36. Southwest wind 11 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 30%.
Wednesday
A chance of rain showers before 1pm, then rain, possibly mixed with snow showers. High near 39. Chance of precipitation is 80%. Little or no snow accumulation expected.
Wednesday Night
Rain and snow, becoming all snow after 1am. Low around 24. Chance of precipitation is 80%.
Thursday
Snow likely, mainly before 1pm. Mostly cloudy, with a high near 26. Chance of precipitation is 60%.
Thursday Night
A chance of snow before 1am. Mostly cloudy, with a low around 14. Chance of precipitation is 30%.
Friday
Partly sunny, with a high near 24.
Friday Night
Partly cloudy, with a low around 18.
Saturday
A chance of snow showers. Mostly cloudy, with a high near 29. Chance of precipitation is 40%.
Saturday Night
A chance of snow showers. Mostly cloudy, with a low around 17. Chance of precipitation is 30%.
Sunday
A chance of snow showers. Mostly cloudy, with a high near 24. Chance of precipitation is 30%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSE Portage PA
 40.36°N 78.66°W (Elev. 2103 ft)
Last Update:
8:26 pm EST Jan 11, 2026
Forecast Valid:
9pm EST Jan 11, 2026-6pm EST Jan 18, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation