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Hazardous Weather Conditions

Current conditions at

Johnstown - Cambria County Airport (KJST)

Lat: 40.31°NLon: 78.83°WElev: 2274ft.

Overcast

43°F

6°C

Humidity 93%
Wind Speed S 15 mph
Barometer 29.82 in (1011.0 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Wind Chill36°F (2°C)
Last update 10 Jan 2:54 pm EST
Extended Forecast for

Portage PA

Wind Advisory January 11, 10:00am until January 12, 01:00am
Click here for hazard details and duration
Wind Advisory

  • This Afternoon

    This Afternoon: Showers, mainly before 5pm. High near 43. Southeast wind around 8 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    High: 43 °F

    Showers

  • Tonight

    Tonight: Showers, mainly before midnight. Low around 29. South wind 6 to 13 mph becoming west after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 29 °F

    Showers then
    Slight Chance
    Showers

  • Sunday

    Sunday: A chance of snow showers, mainly after 9am. Mostly cloudy, with a high near 32. Breezy, with a west wind 11 to 21 mph, with gusts as high as 40 mph. Chance of precipitation is 50%. New snow accumulation of less than one inch possible.

    High: 32 °F

    Chance Snow
    Showers and
    Breezy

  • Sunday Night

    Sunday Night: A chance of snow showers, mainly before 9pm. Mostly cloudy, with a low around 23. Breezy, with a west wind 16 to 21 mph, with gusts as high as 44 mph. Chance of precipitation is 30%.

    Low: 23 °F

    Chance Snow
    Showers and
    Breezy then
    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 34. West wind 14 to 16 mph, with gusts as high as 31 mph.

    High: 34 °F

    Mostly 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: Mostly cloudy, with a low around 36.

    Low: 36 °F

    Mostly Cloudy

  • Wednesday

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

    High: 40 °F

    Rain Likely

Detailed Forecast

This Afternoon
Showers, mainly before 5pm. High near 43. Southeast wind around 8 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Showers, mainly before midnight. Low around 29. South wind 6 to 13 mph becoming west after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
A chance of snow showers, mainly after 9am. Mostly cloudy, with a high near 32. Breezy, with a west wind 11 to 21 mph, with gusts as high as 40 mph. Chance of precipitation is 50%. New snow accumulation of less than one inch possible.
Sunday Night
A chance of snow showers, mainly before 9pm. Mostly cloudy, with a low around 23. Breezy, with a west wind 16 to 21 mph, with gusts as high as 44 mph. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 34. West wind 14 to 16 mph, with gusts as high as 31 mph.
Monday Night
Partly cloudy, with a low around 28.
Tuesday
Partly sunny, with a high near 43.
Tuesday Night
Mostly cloudy, with a low around 36.
Wednesday
Rain likely, mainly after 1pm. Cloudy, with a high near 40. Chance of precipitation is 60%.
Wednesday Night
A chance of rain and snow before 1am. Mostly cloudy, with a low around 19. Chance of precipitation is 40%.
Thursday
Partly sunny, with a high near 25.
Thursday Night
Partly cloudy, with a low around 15.
Friday
A chance of snow showers. Partly sunny, with a high near 30. Chance of precipitation is 30%.
Friday Night
A chance of snow showers. Mostly cloudy, with a low around 22. Chance of precipitation is 30%.
Saturday
A chance of snow showers. Mostly cloudy, with a high near 31.
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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:
1:06 pm EST Jan 10, 2026
Forecast Valid:
3pm EST Jan 10, 2026-6pm EST Jan 17, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation