Hazardous Weather Conditions
Current conditions at
Johnstown - Cambria County Airport (KJST)
Lat: 40.31°NLon: 78.83°WElev: 2274ft.
Light Rain
67°F
19°C
| Humidity | 97% |
| Wind Speed | SE 8 mph |
| Barometer | 30.04 in (1016.0 mb) |
| Dewpoint | 66°F (19°C) |
| Visibility | 10.00 mi |
| Last update | 12 Sep 10:54 pm EDT |
Extended Forecast for
Summerhill PA
Flood Watch until September 13, 04:00am
NOW until 4:00am Sun

Flood Watch
Tonight

Low: 64 °F
Showers and
Patchy FogSunday
High: 80 °F
Chance
Showers and
Patchy Fog
then Partly
SunnySunday Night

Low: 55 °F
Showers
LikelyMonday

High: 69 °F
Decreasing
CloudsMonday Night

Low: 47 °F
Mostly Clear
Tuesday

High: 75 °F
Sunny
Tuesday Night

Low: 55 °F
Mostly Clear
Wednesday

High: 83 °F
Mostly Sunny
Detailed Forecast
Tonight
Showers and possibly a thunderstorm before 2am, then a chance of showers. Patchy fog after 4am. Low around 64. Southwest wind around 5 mph becoming calm after midnight. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Sunday
A chance of showers, mainly before 9am. Patchy fog before 10am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 80. Calm wind becoming west 5 to 8 mph in the morning. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
Showers and thunderstorms likely before 4am, then a chance of showers. Mostly cloudy, with a low around 55. West wind around 6 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
Mostly cloudy, then gradually becoming sunny, with a high near 69. Northwest wind 7 to 9 mph.
Monday Night
Mostly clear, with a low around 47. Calm wind.
Tuesday
Sunny, with a high near 75.
Tuesday Night
Mostly clear, with a low around 55.
Wednesday
Mostly sunny, with a high near 83.
Wednesday Night
Partly cloudy, with a low around 62.
Thursday
A chance of showers after 2pm. Mostly sunny, with a high near 83. Chance of precipitation is 40%.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 62. Chance of precipitation is 40%.
Friday
A chance of showers. Partly sunny, with a high near 78. Chance of precipitation is 50%.
Friday Night
A chance of showers. Mostly cloudy, with a low around 56. Chance of precipitation is 30%.
Saturday
A chance of showers. Partly sunny, with a high near 74. Chance of precipitation is 40%.
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)
10:26 pm EDT Sep 12, 2026
11pm EDT Sep 12, 2026-6pm EDT Sep 19, 2026



