Current conditions at
Johnstown - Cambria County Airport (KJST)
Lat: 40.31°NLon: 78.83°WElev: 2274ft.
A Few Clouds
53°F
12°C
| Humidity | 64% |
| Wind Speed | SW 7 mph |
| Barometer | 30.08 in (1018.9 mb) |
| Dewpoint | 41°F (5°C) |
| Visibility | 10.00 mi |
| Wind Chill | 51°F (11°C) |
| Last update | 15 May 11:54 pm EDT |
Extended Forecast for
Johnstown PA
Overnight
Low: 48 °F
Mostly Clear
Saturday
High: 80 °F
Sunny then
Chance
ShowersSaturday Night
Low: 59 °F
Showers
LikelySunday
High: 82 °F
Chance
ShowersSunday Night
Low: 62 °F
Mostly Clear
Monday
High: 91 °F
Sunny then
Slight Chance
ShowersMonday Night
Low: 66 °F
Mostly Clear
Tuesday
High: 90 °F
Sunny
Tuesday Night
Low: 66 °F
Chance
Showers
Detailed Forecast
Overnight
Mostly clear, with a low around 48. Calm wind.
Saturday
A chance of showers, mainly after 5pm. Increasing clouds, with a high near 80. Light south wind becoming southwest 5 to 10 mph in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
Showers likely, mainly between 8pm and midnight. Mostly cloudy, with a low around 59. Southwest wind 3 to 6 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 82. West wind 3 to 5 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Mostly clear, with a low around 62. Calm wind.
Monday
A slight chance of showers after 2pm. Sunny, with a high near 91. Chance of precipitation is 20%.
Monday Night
Mostly clear, with a low around 66.
Tuesday
Sunny, with a high near 90.
Tuesday Night
A chance of showers after 8pm. Mostly cloudy, with a low around 66. Chance of precipitation is 40%.
Wednesday
Showers, mainly after 2pm. High near 78. Chance of precipitation is 80%.
Wednesday Night
Showers. Low around 54. Chance of precipitation is 80%.
Thursday
Partly sunny, with a high near 69.
Thursday Night
Partly cloudy, with a low around 51.
Friday
Mostly sunny, with a high near 73.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Johnstown PA
40.34°N 78.89°W (Elev. 1299 ft)
40.34°N 78.89°W (Elev. 1299 ft)
8:06 pm EDT May 15, 2026
12am EDT May 16, 2026-6pm EDT May 22, 2026
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