Current conditions at
Johnstown - Cambria County Airport (KJST)
Lat: 40.31°NLon: 78.83°WElev: 2274ft.
Fair
74°F
23°C
| Humidity | 52% |
| Wind Speed | NW 5 mph |
| Barometer | 30.04 in (1016.0 mb) |
| Dewpoint | 55°F (13°C) |
| Visibility | 10.00 mi |
| Last update | 11 Sep 4:54 pm EDT |
Extended Forecast for
Portage PA
Tonight

Low: 61 °F
Increasing
CloudsSaturday
High: 76 °F
Chance
Showers then
Showers
LikelySaturday Night
Low: 64 °F
Showers then
Chance
ShowersSunday

High: 78 °F
Partly Sunny
Sunday Night
Low: 57 °F
Partly Cloudy
then Slight
Chance
ShowersMonday

High: 70 °F
Mostly Sunny
Monday Night

Low: 50 °F
Mostly Clear
Tuesday

High: 73 °F
Sunny
Tuesday Night

Low: 57 °F
Mostly Clear
Detailed Forecast
Tonight
Increasing clouds, with a low around 61. Light and variable wind.
Saturday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 76. Southeast wind 6 to 9 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Showers and thunderstorms before 2am, then a chance of showers. Low around 64. South wind around 6 mph becoming calm in the evening. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Sunday
Partly sunny, with a high near 78. Light west wind increasing to 5 to 9 mph in the morning.
Sunday Night
A slight chance of showers after 2am. Mostly cloudy, with a low around 57. Northwest wind 3 to 6 mph. Chance of precipitation is 20%.
Monday
Mostly sunny, with a high near 70.
Monday Night
Mostly clear, with a low around 50.
Tuesday
Sunny, with a high near 73.
Tuesday Night
Mostly clear, with a low around 57.
Wednesday
A chance of showers after 2pm. Mostly sunny, with a high near 81. Chance of precipitation is 30%.
Wednesday Night
A chance of showers. Partly cloudy, with a low around 62. Chance of precipitation is 30%.
Thursday
Showers likely. Partly sunny, with a high near 78. Chance of precipitation is 60%.
Thursday Night
Showers likely. Mostly cloudy, with a low around 58. Chance of precipitation is 60%.
Friday
A chance of showers. Partly sunny, with a high near 74. Chance of precipitation is 30%.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Portage PA
40.39°N 78.68°W (Elev. 1621 ft)
40.39°N 78.68°W (Elev. 1621 ft)
2:21 pm EDT Sep 11, 2026
5pm EDT Sep 11, 2026-6pm EDT Sep 18, 2026


