Hazardous Weather Conditions
Current conditions at
Johnstown - Cambria County Airport (KJST)
Lat: 40.31°NLon: 78.83°WElev: 2274ft.
Light Rain Fog
64°F
18°C
| Humidity | 100% |
| Wind Speed | E 3 mph |
| Barometer | 30.21 in (1021.7 mb) |
| Dewpoint | 64°F (18°C) |
| Visibility | 0.15 mi |
| Last update | 15 Aug 4:54 am EDT |
Extended Forecast for
Lilly PASimilar City Names
Dense Fog Advisory until August 15, 09:00am
NOW until 9:00am Sat

Dense Fog Advisory
Overnight

Low: 59 °F
Areas Dense
FogSaturday
High: 80 °F
Areas Dense
Fog then
Mostly SunnySaturday Night
Low: 65 °F
Mostly Cloudy
then Chance
ShowersSunday

High: 76 °F
Showers
Sunday Night

Low: 67 °F
Showers
Monday

High: 77 °F
Chance
ShowersMonday Night

Low: 57 °F
Partly Cloudy
Tuesday

High: 75 °F
Sunny
Detailed Forecast
Overnight
Areas of dense fog. Otherwise, partly cloudy, with a low around 59. Light east wind.
Saturday
Areas of dense fog before 8am. Otherwise, mostly sunny, with a high near 80. Light southeast wind.
Saturday Night
A chance of showers, with thunderstorms also possible after 5am. Mostly cloudy, with a low around 65. East wind 3 to 6 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
Showers and thunderstorms before 1pm, then showers likely and possibly a thunderstorm between 1pm and 5pm, then a chance of showers and thunderstorms after 5pm. High near 76. Southeast wind 7 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Sunday Night
Showers and possibly a thunderstorm. Low around 67. West wind around 10 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Monday
A chance of showers, with thunderstorms also possible after 11am. Partly sunny, with a high near 77. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday Night
Partly cloudy, with a low around 57.
Tuesday
Sunny, with a high near 75.
Tuesday Night
Mostly clear, with a low around 59.
Wednesday
Sunny, with a high near 79.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 62. Chance of precipitation is 50%.
Thursday
A chance of showers. Partly sunny, with a high near 75. Chance of precipitation is 30%.
Thursday Night
A chance of showers. Partly cloudy, with a low around 56. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 72.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Lilly PASimilar City Names
40.42°N 78.62°W (Elev. 1906 ft)
40.42°N 78.62°W (Elev. 1906 ft)
3:06 am EDT Aug 15, 2026
5am EDT Aug 15, 2026-6pm EDT Aug 21, 2026



