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Current conditions at

Johnstown - Cambria County Airport (KJST)

Lat: 40.31°NLon: 78.83°WElev: 2274ft.

Light Snow Fog/Mist

20°F

-7°C

Humidity 89%
Wind Speed W 13 mph
Barometer 30.04 in (1020.8 mb)
Dewpoint 17°F (-8°C)
Visibility 4.00 mi
Wind Chill7°F (-14°C)
Last update 3 Feb 2:54 am EST
Extended Forecast for

Portage PA

  • Overnight

    Overnight: A chance of light snow. Mostly cloudy, with a low around 17. West wind around 5 mph. Chance of precipitation is 50%. Total nighttime snow accumulation of less than a half inch possible.

    Low: 17 °F

    Chance Light
    Snow

  • Tuesday

    Tuesday: A chance of light snow, mainly before 7am. Mostly cloudy, with a high near 26. West wind 5 to 8 mph. Chance of precipitation is 30%.

    High: 26 °F

    Chance Light
    Snow then
    Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 5. Light west wind.

    Low: 5 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 22. Calm wind becoming northwest around 6 mph in the afternoon.

    High: 22 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 4. Light northwest wind.

    Low: 4 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 19.

    High: 19 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 9.

    Low: 9 °F

    Mostly Cloudy

  • Friday

    Friday: Snow. High near 28. Chance of precipitation is 80%.

    High: 28 °F

    Snow

  • Friday Night

    Friday Night: A chance of snow showers before 1am. Mostly cloudy, with a low around 5. Chance of precipitation is 30%.

    Low: 5 °F

    Chance Snow
    Showers

Detailed Forecast

Overnight
A chance of light snow. Mostly cloudy, with a low around 17. West wind around 5 mph. Chance of precipitation is 50%. Total nighttime snow accumulation of less than a half inch possible.
Tuesday
A chance of light snow, mainly before 7am. Mostly cloudy, with a high near 26. West wind 5 to 8 mph. Chance of precipitation is 30%.
Tuesday Night
Mostly cloudy, with a low around 5. Light west wind.
Wednesday
Mostly sunny, with a high near 22. Calm wind becoming northwest around 6 mph in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 4. Light northwest wind.
Thursday
Partly sunny, with a high near 19.
Thursday Night
Mostly cloudy, with a low around 9.
Friday
Snow. High near 28. Chance of precipitation is 80%.
Friday Night
A chance of snow showers before 1am. Mostly cloudy, with a low around 5. Chance of precipitation is 30%.
Saturday
Partly sunny, with a high near 13.
Saturday Night
Mostly cloudy, with a low around 2.
Sunday
Partly sunny, with a high near 15.
Sunday Night
Partly cloudy, with a low around -2.
Monday
Mostly sunny, with a high near 18.
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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:
2:56 am EST Feb 3, 2026
Forecast Valid:
3am EST Feb 3, 2026-6pm EST Feb 9, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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