Current conditions at

Johnstown - Cambria County Airport (KJST)

Lat: 40.31°NLon: 78.83°WElev: 2274ft.

Fair

68°F

20°C

Humidity 49%
Wind Speed NA
Barometer 30.18 in (1021.2 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 21 Aug 11:54 am EDT
Extended Forecast for

Summerhill PA

  • This Afternoon

    This Afternoon: Sunny, with a high near 76. Light east wind.

    High: 76 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 55. Light east wind.

    Low: 55 °F

    Partly Cloudy

  • Saturday

    Saturday: A chance of showers before noon, then a chance of showers and thunderstorms between noon and 5pm, then showers likely and possibly a thunderstorm after 5pm.  Partly sunny, with a high near 75. South wind 3 to 7 mph.  Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 75 °F

    Chance
    Showers then
    Showers
    Likely

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm.  Low around 61. South wind around 6 mph becoming light and variable  after midnight.  Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 61 °F

    Showers

  • Sunday

    Sunday: Showers likely, with thunderstorms also possible after 2pm.  Mostly cloudy, with a high near 71. West wind 7 to 13 mph, with gusts as high as 23 mph.  Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 71 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 53.

    Low: 53 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 71.

    High: 71 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 53.

    Low: 53 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 73.

    High: 73 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 76. Light east wind.
Tonight
Partly cloudy, with a low around 55. Light east wind.
Saturday
A chance of showers before noon, then a chance of showers and thunderstorms between noon and 5pm, then showers likely and possibly a thunderstorm after 5pm. Partly sunny, with a high near 75. South wind 3 to 7 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Showers and possibly a thunderstorm. Low around 61. South wind around 6 mph becoming light and variable after midnight. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 71. West wind 7 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Partly cloudy, with a low around 53.
Monday
Mostly sunny, with a high near 71.
Monday Night
Mostly clear, with a low around 53.
Tuesday
Sunny, with a high near 73.
Tuesday Night
Partly cloudy, with a low around 57.
Wednesday
Mostly sunny, with a high near 78.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 62. Chance of precipitation is 30%.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 78. Chance of precipitation is 50%.
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ABOUT THIS FORECAST

 
Point Forecast:
Summerhill PA
 40.37°N 78.77°W (Elev. 1542 ft)
11:16 am EDT Aug 21, 2026
12pm EDT Aug 21, 2026-6pm EDT Aug 27, 2026
 
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Additional Resources

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