Current conditions at
Johnstown - Cambria County Airport (KJST)
Lat: 40.31°NLon: 78.83°WElev: 2274ft.
Mostly Cloudy
76°F
24°C
| Humidity | 72% |
| Wind Speed | SW 6 mph |
| Barometer | 29.96 in (1012.9 mb) |
| Dewpoint | 66°F (19°C) |
| Visibility | 10.00 mi |
| Heat Index | 78°F (26°C) |
| Last update | 18 Jun 2:54 pm EDT |
Extended Forecast for
Saint Michael-Sidman PA
This Afternoon
High: 80 °F
Showers
LikelyTonight
Low: 68 °F
Chance
ShowersJuneteenth
High: 77 °F
Chance
T-storms then
T-stormsThursday Night
Low: 59 °F
T-storms then
Mostly CloudyFriday
High: 78 °F
Mostly Sunny
Friday Night
Low: 62 °F
Partly Cloudy
Saturday
High: 84 °F
Mostly Sunny
Saturday Night
Low: 67 °F
Mostly Clear
Sunday
High: 88 °F
Mostly Sunny
Detailed Forecast
This Afternoon
A chance of showers and thunderstorms before 4pm, then showers likely and possibly a thunderstorm between 4pm and 5pm, then a chance of showers and thunderstorms after 5pm. Partly sunny, with a high near 80. West wind around 8 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
A chance of showers and thunderstorms before 1am, then a slight chance of showers after 3am. Partly cloudy, with a low around 68. Southwest wind 6 to 8 mph, with gusts as high as 20 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Juneteenth
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2pm. High near 77. Southwest wind 11 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Showers and possibly a thunderstorm before 8pm. Low around 59. Northwest wind 7 to 10 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
Mostly sunny, with a high near 78. West wind 8 to 10 mph.
Friday Night
Partly cloudy, with a low around 62.
Saturday
Mostly sunny, with a high near 84.
Saturday Night
Mostly clear, with a low around 67.
Sunday
Mostly sunny, with a high near 88.
Sunday Night
Mostly clear, with a low around 71.
Monday
Sunny, with a high near 91.
Monday Night
Mostly clear, with a low around 72.
Tuesday
Sunny, with a high near 91.
Tuesday Night
Mostly clear, with a low around 72.
Wednesday
A chance of showers. Sunny, with a high near 90.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
Saint Michael-Sidman PA
40.33°N 78.75°W (Elev. 1696 ft)
40.33°N 78.75°W (Elev. 1696 ft)
1:30 pm EDT Jun 18, 2025
3pm EDT Jun 18, 2025-6pm EDT Jun 25, 2025
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
