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.

Fair

43°F

6°C

Humidity 49%
Wind Speed SE 12 G 20 mph
Barometer 30.14 in (1021.9 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill37°F (3°C)
Last update 24 Nov 9:54 pm EST
Extended Forecast for

Summerhill PA

  • Tonight

    Tonight: Mostly cloudy, with a low around 40. Southeast wind around 6 mph.

    Low: 40 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Periods of rain, mainly after 10am. High near 54. South wind 5 to 10 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 54 °F

    Rain Likely
    then Rain

  • Tuesday Night

    Tuesday Night: Showers. Low around 46. South wind around 7 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 46 °F

    Showers

  • Wednesday

    Wednesday: Showers, mainly before 1pm. High near 59. Southwest wind 6 to 16 mph, with gusts as high as 32 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 59 °F

    Showers

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 27. Breezy, with a west wind 17 to 20 mph, with gusts as high as 41 mph.

    Low: 27 °F

    Mostly Cloudy
    then Mostly
    Cloudy and
    Breezy

  • Thanksgiving Day

    Thanksgiving Day: Mostly cloudy, with a high near 32. Breezy.

    High: 32 °F

    Mostly Cloudy
    and Breezy

  • Thursday Night

    Thursday Night: A chance of snow showers after 1am. Mostly cloudy, with a low around 22. Breezy. Chance of precipitation is 30%.

    Low: 22 °F

    Breezy.
    Mostly Cloudy
    then Chance
    Snow Showers

  • Friday

    Friday: Mostly cloudy, with a high near 30. Breezy.

    High: 30 °F

    Mostly Cloudy
    and Breezy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 21.

    Low: 21 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 40. Southeast wind around 6 mph.
Tuesday
Periods of rain, mainly after 10am. High near 54. South wind 5 to 10 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday Night
Showers. Low around 46. South wind around 7 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
Showers, mainly before 1pm. High near 59. Southwest wind 6 to 16 mph, with gusts as high as 32 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Mostly cloudy, with a low around 27. Breezy, with a west wind 17 to 20 mph, with gusts as high as 41 mph.
Thanksgiving Day
Mostly cloudy, with a high near 32. Breezy.
Thursday Night
A chance of snow showers after 1am. Mostly cloudy, with a low around 22. Breezy. Chance of precipitation is 30%.
Friday
Mostly cloudy, with a high near 30. Breezy.
Friday Night
Mostly cloudy, with a low around 21.
Saturday
Mostly cloudy, with a high near 34.
Saturday Night
A chance of snow showers. Mostly cloudy, with a low around 25. Chance of precipitation is 30%.
Sunday
A chance of rain. Mostly cloudy, with a high near 42. Chance of precipitation is 40%.
Sunday Night
Rain likely. Cloudy, with a low around 31. Chance of precipitation is 60%.
Monday
Rain likely. Mostly cloudy, with a high near 47. Chance of precipitation is 60%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Summerhill PA
 40.37°N 78.77°W (Elev. 1542 ft)
Last Update:
7:06 pm EST Nov 24, 2025
Forecast Valid:
10pm EST Nov 24, 2025-6pm EST Dec 1, 2025
 
Forecast Discussion
 
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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