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

Hazardous Weather Conditions

Current conditions at

Johnstown - Cambria County Airport (KJST)

Lat: 40.31°NLon: 78.83°WElev: 2274ft.

Fair

28°F

-2°C

Humidity 34%
Wind Speed SW 15 G 25 mph
Barometer 30.02 in (1018.9 mb)
Dewpoint 3°F (-16°C)
Visibility 10.00 mi
Wind Chill16°F (-9°C)
Last update 22 Jan 4:54 pm EST
Extended Forecast for

Summerhill PA

Winter Storm Watch January 24, 10:00pm until January 26, 01:00pm
Extreme Cold Watch January 23, 06:00pm until January 24, 10:00am
Click here for hazard details and duration
Winter Storm Watch
Extreme Cold Watch

  • Tonight

    Tonight: Partly cloudy, with a low around 18. West wind around 10 mph, with gusts as high as 24 mph.

    Low: 18 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a temperature rising to near 22 by 11am, then falling to around 12 during the remainder of the day. Wind chill values as low as -5. West wind 13 to 17 mph, with gusts as high as 33 mph.

    High: 22 °F⇓

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around -3. Wind chill values as low as -15. Northwest wind 8 to 13 mph becoming light after midnight. Winds could gust as high as 26 mph.

    Low: -3 °F

    Partly Cloudy

  • Saturday

    Saturday: A slight chance of snow after 1pm. Mostly cloudy, with a high near 12. Wind chill values as low as -5. Light and variable wind. Chance of precipitation is 20%.

    High: 12 °F

    Partly Sunny
    then Slight
    Chance Snow

  • Saturday Night

    Saturday Night: Snow. The snow could be heavy at times. Low around 8. Light east wind becoming southeast 5 to 10 mph in the evening. Winds could gust as high as 22 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

    Low: 8 °F

    Heavy Snow

  • Sunday

    Sunday: Snow. The snow could be heavy at times. High near 20. Chance of precipitation is 100%. New snow accumulation of 5 to 9 inches possible.

    High: 20 °F

    Heavy Snow

  • Sunday Night

    Sunday Night: Snow. Low around 11. Chance of precipitation is 90%.

    Low: 11 °F

    Snow

  • Monday

    Monday: A chance of snow. Mostly cloudy, with a high near 17. Chance of precipitation is 50%.

    High: 17 °F

    Chance Snow

  • Monday Night

    Monday Night: Mostly cloudy, with a low around -2.

    Low: -2 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 18. West wind around 10 mph, with gusts as high as 24 mph.
Friday
Mostly sunny, with a temperature rising to near 22 by 11am, then falling to around 12 during the remainder of the day. Wind chill values as low as -5. West wind 13 to 17 mph, with gusts as high as 33 mph.
Friday Night
Partly cloudy, with a low around -3. Wind chill values as low as -15. Northwest wind 8 to 13 mph becoming light after midnight. Winds could gust as high as 26 mph.
Saturday
A slight chance of snow after 1pm. Mostly cloudy, with a high near 12. Wind chill values as low as -5. Light and variable wind. Chance of precipitation is 20%.
Saturday Night
Snow. The snow could be heavy at times. Low around 8. Light east wind becoming southeast 5 to 10 mph in the evening. Winds could gust as high as 22 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.
Sunday
Snow. The snow could be heavy at times. High near 20. Chance of precipitation is 100%. New snow accumulation of 5 to 9 inches possible.
Sunday Night
Snow. Low around 11. Chance of precipitation is 90%.
Monday
A chance of snow. Mostly cloudy, with a high near 17. Chance of precipitation is 50%.
Monday Night
Mostly cloudy, with a low around -2.
Tuesday
Partly sunny, with a high near 15.
Tuesday Night
Mostly cloudy, with a low around 8.
Wednesday
A chance of snow. Mostly cloudy, with a high near 21. Chance of precipitation is 30%.
Wednesday Night
A chance of snow. Mostly cloudy, with a low around 5. Chance of precipitation is 30%.
Thursday
A chance of snow. Mostly cloudy, with a high near 16. Chance of precipitation is 30%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Summerhill PA
 40.37°N 78.77°W (Elev. 1542 ft)
Last Update:
4:41 pm EST Jan 22, 2026
Forecast Valid:
5pm EST Jan 22, 2026-6pm EST Jan 29, 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