Current conditions at
Johnstown - Cambria County Airport (KJST)
Lat: 40.31°NLon: 78.83°WElev: 2274ft.
Light Rain Fog/Mist
55°F
13°C
| Humidity | 93% |
| Wind Speed | SE 7 mph |
| Barometer | 30.12 in (1020.0 mb) |
| Dewpoint | 53°F (12°C) |
| Visibility | 3.00 mi |
| Wind Chill | 53°F (12°C) |
| Last update | 15 Oct 4:54 pm EDT |
Extended Forecast for
Portage PA
This Afternoon
High: 61 °F
Slight Chance
ShowersTonight
Low: 55 °F
Chance
Showers then
Showers
LikelyFriday
High: 73 °F
Mostly Sunny
then Showers
and BreezyFriday Night
Low: 38 °F
Showers
LikelySaturday
High: 47 °F
Mostly Sunny
Saturday Night
Low: 30 °F
Frost
Sunday
High: 56 °F
Frost then
SunnySunday Night
Low: 35 °F
Clear
Monday
High: 61 °F
Areas Frost
then Sunny
Detailed Forecast
This Afternoon
A slight chance of showers. Mostly cloudy, with a high near 61. Southeast wind around 8 mph. Chance of precipitation is 20%.
Tonight
A chance of showers and thunderstorms before 2am, then showers likely and possibly a thunderstorm between 2am and 5am, then a chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 55. South wind around 8 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
A chance of showers before 2pm, then showers and possibly a thunderstorm between 2pm and 4pm, then a chance of showers and thunderstorms after 4pm. High near 73. Breezy, with a southwest wind 10 to 20 mph, with gusts as high as 36 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
Showers likely, mainly before midnight. Mostly cloudy, with a low around 38. Northwest wind 13 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Mostly sunny, with a high near 47. North wind around 14 mph, with gusts as high as 26 mph.
Saturday Night
Widespread frost, mainly after midnight. Otherwise, clear, with a low around 30.
Sunday
Widespread frost before 9am. Otherwise, sunny, with a high near 56.
Sunday Night
Clear, with a low around 35.
Monday
Areas of frost before 9am. Otherwise, sunny, with a high near 61.
Monday Night
Mostly clear, with a low around 40.
Tuesday
Mostly sunny, with a high near 64.
Tuesday Night
Mostly clear, with a low around 41.
Wednesday
Sunny, with a high near 64.
Wednesday Night
Mostly clear, with a low around 41.
Thursday
Sunny, with a high near 61.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT 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 Oct 15, 2026
5pm EDT Oct 15, 2026-6pm EDT Oct 22, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
