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.

Mostly Cloudy

36°F

2°C

Humidity 89%
Wind Speed E 5 mph
Barometer 30.13 in (1021.2 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 10 Jan 3:54 am EST
Extended Forecast for

Portage PA

  • Today

    Today: Rain, mainly after noon. Patchy fog before 9am. High near 43. Calm wind becoming southeast 5 to 8 mph in the morning. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 43 °F

    Chance Rain
    and Patchy
    Fog then Rain

  • Tonight

    Tonight: Rain before 10pm, then showers likely between 10pm and midnight. Low around 27. Southeast wind 6 to 14 mph becoming west after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 27 °F

    Rain then
    Mostly Cloudy

  • Sunday

    Sunday: Snow showers likely, mainly after 1pm. Mostly cloudy, with a high near 31. Breezy, with a west wind 14 to 23 mph, with gusts as high as 44 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    High: 31 °F

    Snow Showers
    Likely and
    Breezy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 23. Breezy, with a west wind 20 to 23 mph, with gusts as high as 46 mph.

    Low: 23 °F

    Mostly Cloudy
    and Breezy

  • Monday

    Monday: Partly sunny, with a high near 34. West wind 13 to 16 mph, with gusts as high as 30 mph.

    High: 34 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 28.

    Low: 28 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 43.

    High: 43 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers after 1am. Mostly cloudy, with a low around 36. Chance of precipitation is 30%.

    Low: 36 °F

    Mostly Cloudy
    then Chance
    Showers

  • Wednesday

    Wednesday: Showers likely, mainly after 1pm. Mostly cloudy, with a high near 40. Chance of precipitation is 60%.

    High: 40 °F

    Showers
    Likely

Detailed Forecast

Today
Rain, mainly after noon. Patchy fog before 9am. High near 43. Calm wind becoming southeast 5 to 8 mph in the morning. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
Rain before 10pm, then showers likely between 10pm and midnight. Low around 27. Southeast wind 6 to 14 mph becoming west after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
Snow showers likely, mainly after 1pm. Mostly cloudy, with a high near 31. Breezy, with a west wind 14 to 23 mph, with gusts as high as 44 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Sunday Night
Mostly cloudy, with a low around 23. Breezy, with a west wind 20 to 23 mph, with gusts as high as 46 mph.
Monday
Partly sunny, with a high near 34. West wind 13 to 16 mph, with gusts as high as 30 mph.
Monday Night
Partly cloudy, with a low around 28.
Tuesday
Partly sunny, with a high near 43.
Tuesday Night
A chance of showers after 1am. Mostly cloudy, with a low around 36. Chance of precipitation is 30%.
Wednesday
Showers likely, mainly after 1pm. Mostly cloudy, with a high near 40. Chance of precipitation is 60%.
Wednesday Night
A chance of rain and snow showers before 1am, then a chance of snow showers. Mostly cloudy, with a low around 21. Chance of precipitation is 40%.
Thursday
A chance of snow showers. Partly sunny, with a high near 25. Chance of precipitation is 30%.
Thursday Night
Partly cloudy, with a low around 16.
Friday
Partly sunny, with a high near 28.
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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:
1:06 am EST Jan 10, 2026
Forecast Valid:
4am EST Jan 10, 2026-6pm EST Jan 16, 2026
 
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Additional Resources

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Chance of Precipitation