Hazardous Weather Conditions
Current conditions at
Johnstown - Cambria County Airport (KJST)
Lat: 40.31°NLon: 78.83°WElev: 2274ft.
Light Rain Fog/Mist
63°F
17°C
| Humidity | 97% |
| Wind Speed | Calm |
| Barometer | 30.02 in (1015.6 mb) |
| Dewpoint | 62°F (17°C) |
| Visibility | 2.50 mi |
| Last update | 20 Aug 8:54 am EDT |
Extended Forecast for
Johnstown-Cambria County Airport PA
Flood Watch until August 20, 04:00pm
NOW until 4:00pm Thu
Flood Watch
Today
High: 69 °F
Showers
Tonight
Low: 58 °F
Mostly Cloudy
Friday
High: 73 °F
Becoming
SunnyFriday Night
Low: 61 °F
Chance
ShowersSaturday
High: 75 °F
Chance
Showers then
Showers
LikelySaturday Night
Low: 60 °F
Showers
LikelySunday
High: 70 °F
Chance
ShowersSunday Night
Low: 55 °F
Partly Cloudy
Detailed Forecast
Today
Showers and possibly a thunderstorm before 4pm, then a chance of showers and thunderstorms, mainly between 4pm and 5pm. High near 69. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Tonight
Mostly cloudy, with a low around 58. East wind 3 to 5 mph.
Friday
Partly sunny, then gradually becoming sunny, with a high near 73. East wind 5 to 7 mph.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 61. Southeast wind around 6 mph. Chance of precipitation is 40%.
Saturday
A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 75. Light and variable wind becoming southwest 5 to 7 mph in the morning. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Showers and thunderstorms likely before 11pm, then a chance of showers between 11pm and 2am. Mostly cloudy, with a low around 60. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
A chance of showers after 8am. Partly sunny, with a high near 70. Chance of precipitation is 50%.
Sunday Night
Partly cloudy, with a low around 55.
Monday
Mostly sunny, with a high near 69.
Monday Night
Partly cloudy, with a low around 54.
Tuesday
Mostly sunny, with a high near 72.
Tuesday Night
Partly cloudy, with a low around 57.
Wednesday
Mostly sunny, with a high near 75.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
Johnstown-Cambria County Airport PA
40.33°N 78.84°W (Elev. 2116 ft)
40.33°N 78.84°W (Elev. 2116 ft)
8:31 am EDT Aug 20, 2026
9am EDT Aug 20, 2026-6pm EDT Aug 26, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
