Hazardous Weather Conditions
Current conditions at
Johnstown - Cambria County Airport (KJST)
Lat: 40.31°NLon: 78.83°WElev: 2274ft.
Fair
60°F
16°C
| Humidity | 80% |
| Wind Speed | S 8 mph |
| Barometer | 29.91 in (1012.0 mb) |
| Dewpoint | 54°F (12°C) |
| Visibility | 10.00 mi |
| Last update | 11 Mar 5:54 am EDT |
Extended Forecast for
Portage PA
Today

High: 72 °F
Severe
ThunderstormsTonight
Low: 31 °F
Showers then
Rain/SnowThursday

High: 39 °F
Decreasing
CloudsThursday Night

Low: 29 °F
Mostly Clear
Friday

High: 51 °F
Slight Chance
Rain/Snow and
BreezyFriday Night
Low: 28 °F
Slight Chance
Rain/Snow
then Slight
Chance SnowSaturday

High: 43 °F
Mostly Sunny
Saturday Night

Low: 32 °F
Mostly Cloudy
Sunday

High: 56 °F
Mostly Cloudy
Detailed Forecast
Today
Showers and thunderstorms likely before 10am, then showers and possibly a thunderstorm between 10am and 3pm, then a chance of showers and thunderstorms after 3pm. Some of the storms could be severe. High near 72. South wind 6 to 15 mph, with gusts as high as 32 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
Rain showers before 5am, then a chance of rain and snow showers. Some thunder is also possible. Low around 31. Southwest wind 13 to 15 mph, with gusts as high as 34 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
Thursday
Cloudy, then gradually becoming mostly sunny, with a high near 39. Northwest wind around 17 mph, with gusts as high as 40 mph.
Thursday Night
Mostly clear, with a low around 29. Northwest wind 5 to 8 mph, with gusts as high as 20 mph.
Friday
A slight chance of snow before 11am, then a slight chance of rain and snow between 11am and 2pm, then a slight chance of rain after 2pm. Mostly cloudy, with a high near 51. Breezy, with a south wind 8 to 13 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 39 mph. Chance of precipitation is 20%.
Friday Night
A slight chance of rain before 11pm, then a slight chance of snow between 11pm and 2am. Partly cloudy, with a low around 28. Chance of precipitation is 20%.
Saturday
Mostly sunny, with a high near 43.
Saturday Night
Mostly cloudy, with a low around 32.
Sunday
Mostly cloudy, with a high near 56.
Sunday Night
Showers, mainly after 2am. Low around 36. Breezy. Chance of precipitation is 80%.
Monday
Rain and snow showers. High near 48. Breezy. Chance of precipitation is 80%.
Monday Night
A chance of snow showers. Mostly cloudy, with a low around 19. Chance of precipitation is 30%.
Tuesday
Partly sunny, with a high near 29.
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)
4:11 am EDT Mar 11, 2026
6am EDT Mar 11, 2026-6pm EDT Mar 17, 2026



