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

High: 76 °F
Sunny
Tonight

Low: 55 °F
Partly Cloudy
Saturday
High: 75 °F
Chance
Showers then
Showers
LikelySaturday Night

Low: 61 °F
Showers
Sunday

High: 71 °F
Showers
LikelySunday Night

Low: 53 °F
Partly Cloudy
Monday

High: 71 °F
Mostly Sunny
Monday Night

Low: 53 °F
Mostly Clear
Tuesday

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%.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Summerhill PA
40.37°N 78.77°W (Elev. 1542 ft)
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


