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.

Overcast

50°F

10°C

Humidity 96%
Wind Speed W 12 mph
Barometer 29.69 in (1004.4 mb)
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Wind Chill45°F (7°C)
Last update 23 Mar 4:54 am EDT
Extended Forecast for

Summerhill PA

  • Overnight

    Overnight: A chance of showers. Cloudy, with a steady temperature around 50. Northwest wind around 5 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 50 °F

    Chance
    Showers

  • Monday

    Monday: Showers likely, mainly before 9am. Cloudy, with a temperature falling to around 39 by 5pm. Northwest wind 11 to 16 mph, with gusts as high as 31 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 44 °F⇓

    Showers
    Likely then
    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 24. Northwest wind 6 to 14 mph, with gusts as high as 28 mph.

    Low: 24 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 50. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 50 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 31. Calm wind.

    Low: 31 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 61.

    High: 61 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 44.

    Low: 44 °F

    Mostly Cloudy

  • Thursday

    Thursday: A chance of showers after 2pm. Mostly cloudy, with a high near 66. Chance of precipitation is 30%.

    High: 66 °F

    Mostly Cloudy
    then Chance
    Showers

  • Thursday Night

    Thursday Night: Showers, mainly after 8pm. Low around 41. Chance of precipitation is 80%.

    Low: 41 °F

    Showers

Detailed Forecast

Overnight
A chance of showers. Cloudy, with a steady temperature around 50. Northwest wind around 5 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Monday
Showers likely, mainly before 9am. Cloudy, with a temperature falling to around 39 by 5pm. Northwest wind 11 to 16 mph, with gusts as high as 31 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday Night
Mostly cloudy, with a low around 24. Northwest wind 6 to 14 mph, with gusts as high as 28 mph.
Tuesday
Sunny, with a high near 50. Calm wind becoming southwest around 5 mph in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 31. Calm wind.
Wednesday
Partly sunny, with a high near 61.
Wednesday Night
Mostly cloudy, with a low around 44.
Thursday
A chance of showers after 2pm. Mostly cloudy, with a high near 66. Chance of precipitation is 30%.
Thursday Night
Showers, mainly after 8pm. Low around 41. Chance of precipitation is 80%.
Friday
Showers, mainly before 8am. High near 49. Chance of precipitation is 80%.
Friday Night
Partly cloudy, with a low around 24.
Saturday
Mostly sunny, with a high near 44.
Saturday Night
Partly cloudy, with a low around 27.
Sunday
Sunny, with a high near 51.
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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:
2:16 am EDT Mar 23, 2026
Forecast Valid:
5am EDT Mar 23, 2026-6pm EDT Mar 29, 2026
 
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