Hazardous Weather Conditions
Current conditions at
Johnstown - Cambria County Airport (KJST)
Lat: 40.31°NLon: 78.83°WElev: 2274ft.
Fair
59°F
15°C
| Humidity | 96% |
| Wind Speed | Calm |
| Barometer | 30.14 in (1020.0 mb) |
| Dewpoint | 58°F (14°C) |
| Visibility | 10.00 mi |
| Last update | 21 Aug 12:54 am EDT |
Extended Forecast for
Loretto PA
Dense Fog Advisory until August 21, 10:00am
NOW until 10:00am Fri
Dense Fog Advisory
Overnight
Low: 55 °F
Patchy Fog
Friday
High: 74 °F
Dense Fog
then SunnyFriday Night
Low: 56 °F
Mostly Clear
Saturday
High: 74 °F
Chance
Showers then
Showers
LikelySaturday Night
Low: 58 °F
Showers
LikelySunday
High: 70 °F
Chance
Showers then
Chance
T-stormsSunday Night
Low: 53 °F
Chance
T-storms then
Partly CloudyMonday
High: 69 °F
Mostly Sunny
Detailed Forecast
Overnight
Patchy fog. Otherwise, partly cloudy, with a low around 55. Light northeast wind.
Friday
Widespread dense fog before 11am. Otherwise, sunny, with a high near 74. Calm wind becoming east around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 56. East wind 3 to 5 mph.
Saturday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5pm. Partly sunny, with a high near 74. Southeast wind 6 to 8 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
A chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 58. South wind around 6 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 70. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A chance of thunderstorms before 8pm. Partly cloudy, with a low around 53. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 69.
Monday Night
Mostly clear, with a low around 51.
Tuesday
Mostly sunny, with a high near 72.
Tuesday Night
Partly cloudy, with a low around 56.
Wednesday
Mostly sunny, with a high near 76.
Wednesday Night
Mostly cloudy, with a low around 60.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 76. Chance of precipitation is 30%.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
Loretto PA
40.51°N 78.63°W (Elev. 1998 ft)
40.51°N 78.63°W (Elev. 1998 ft)
1:26 am EDT Aug 21, 2026
1am EDT Aug 21, 2026-6pm EDT Aug 27, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
