Current conditions at
Johnstown - Cambria County Airport (KJST)
Lat: 40.31°NLon: 78.83°WElev: 2274ft.
Fair
50°F
10°C
| Humidity | 21% |
| Wind Speed | E 3 mph |
| Barometer | 30.58 in (1037.0 mb) |
| Dewpoint | 11°F (-12°C) |
| Visibility | 10.00 mi |
| Last update | 18 Oct 11:54 am EDT |
Extended Forecast for
Twin Rocks PA
This Afternoon
High: 58 °F
Sunny
Tonight
Low: 34 °F
Clear then
Areas FrostMonday
High: 64 °F
Frost then
SunnyMonday Night
Low: 36 °F
Clear
Tuesday
High: 63 °F
Areas Frost
then SunnyTuesday Night
Low: 35 °F
Mostly Clear
Wednesday
High: 63 °F
Patchy Frost
then SunnyWednesday Night
Low: 39 °F
Clear
Thursday
High: 62 °F
Patchy Frost
then Sunny
Detailed Forecast
This Afternoon
Sunny, with a high near 58. Calm wind.
Tonight
Areas of frost after 2am. Otherwise, clear, with a low around 34. Calm wind.
Monday
Widespread frost, mainly between 7am and 9am. Otherwise, sunny, with a high near 64. Light and variable wind.
Monday Night
Clear, with a low around 36. Calm wind.
Tuesday
Areas of frost before 9am. Otherwise, sunny, with a high near 63. Calm wind becoming north around 6 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 35.
Wednesday
Patchy frost before 9am. Otherwise, sunny, with a high near 63.
Wednesday Night
Clear, with a low around 39.
Thursday
Patchy frost between 7am and 8am. Otherwise, sunny, with a high near 62.
Thursday Night
Mostly clear, with a low around 42.
Friday
Sunny, with a high near 60.
Friday Night
Mostly clear, with a low around 41.
Saturday
Sunny, with a high near 59.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
Twin Rocks PA
40.51°N 78.87°W (Elev. 1831 ft)
40.51°N 78.87°W (Elev. 1831 ft)
8:06 am EDT Oct 18, 2026
12pm EDT Oct 18, 2026-6pm EDT Oct 24, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
