National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Johnstown - Cambria County Airport (KJST)

Lat: 40.31°NLon: 78.83°WElev: 2274ft.

Light Rain

45°F

7°C

Humidity 100%
Wind Speed S 8 mph
Barometer 29.77 in (1009.5 mb)
Dewpoint 45°F (7°C)
Visibility 9.00 mi
Wind Chill41°F (5°C)
Last update 10 Jan 6:54 pm EST
Extended Forecast for

2 Miles SSE Portage PA

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

  • Tonight

    Tonight: Rain, mainly before 11pm. Low around 28. South wind 6 to 16 mph becoming west after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 28 °F

    Rain then
    Chance Rain

  • Sunday

    Sunday: A chance of snow showers after 9am. The snow could be heavy at times. Mostly cloudy, with a high near 30. Breezy, with a west wind 13 to 18 mph increasing to 19 to 24 mph in the afternoon. Winds could gust as high as 45 mph. Chance of precipitation is 50%. New snow accumulation of less than one inch possible.

    High: 30 °F

    Heavy Snow
    and Breezy

  • Sunday Night

    Sunday Night: A chance of snow showers, mainly before 9pm. Mostly cloudy, with a low around 23. Windy, with a west wind 22 to 26 mph, with gusts as high as 47 mph. Chance of precipitation is 30%.

    Low: 23 °F

    Chance Snow
    Showers and
    Windy then
    Mostly Cloudy
    and Breezy

  • Monday

    Monday: Mostly cloudy, then gradually becoming sunny, with a high near 33. West wind around 18 mph, with gusts as high as 33 mph.

    High: 33 °F

    Decreasing
    Clouds

  • Monday Night

    Monday Night: Partly cloudy, with a low around 27. West wind 14 to 18 mph, with gusts as high as 33 mph.

    Low: 27 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 42.

    High: 42 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 35.

    Low: 35 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of rain before 1pm, then rain and snow likely. Cloudy, with a high near 39. Chance of precipitation is 60%.

    High: 39 °F

    Chance Rain
    then
    Rain/Snow
    Likely

  • Wednesday Night

    Wednesday Night: A chance of rain and snow before 1am. Mostly cloudy, with a low around 19. Chance of precipitation is 40%.

    Low: 19 °F

    Chance
    Rain/Snow

Detailed Forecast

Tonight
Rain, mainly before 11pm. Low around 28. South wind 6 to 16 mph becoming west after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
A chance of snow showers after 9am. The snow could be heavy at times. Mostly cloudy, with a high near 30. Breezy, with a west wind 13 to 18 mph increasing to 19 to 24 mph in the afternoon. Winds could gust as high as 45 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. Windy, with a west wind 22 to 26 mph, with gusts as high as 47 mph. Chance of precipitation is 30%.
Monday
Mostly cloudy, then gradually becoming sunny, with a high near 33. West wind around 18 mph, with gusts as high as 33 mph.
Monday Night
Partly cloudy, with a low around 27. West wind 14 to 18 mph, with gusts as high as 33 mph.
Tuesday
Partly sunny, with a high near 42.
Tuesday Night
Mostly cloudy, with a low around 35.
Wednesday
A chance of rain before 1pm, then rain and snow likely. Cloudy, with a high near 39. 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 23.
Thursday Night
Partly cloudy, with a low around 15.
Friday
A chance of snow showers. Mostly cloudy, with a high near 29. 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 30. Chance of precipitation is 40%.
Basemap Options
Click map to change the forecast location
Loading map...
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:
7:11 pm EST Jan 10, 2026
Forecast Valid:
7pm EST Jan 10, 2026-6pm EST Jan 17, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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