



Marine and Coastal Impacts from Imelda; Unsettled Weather in the West
Swells and high surf from both Imelda and Humberto are expected to bring dangerous marine conditions and rip currents to much of the East Coast over the next several days. A series of Pacific frontal systems will bring waves of showers and thunderstorms to portions of northern California and the Pacific Northwest through midweek. Read More >
Current conditions at
Johnstown - Cambria County Airport (KJST)
Lat: 40.31°NLon: 78.83°WElev: 2274ft.
Fair
61°F
16°C
Humidity | 81% |
Wind Speed | Calm |
Barometer | 30.18 in (1021.0 mb) |
Dewpoint | 55°F (13°C) |
Visibility | 10.00 mi |
Last update | 30 Sep 4:54 am EDT |
Extended Forecast for
Twin Rocks PA
Today
High: 77 °F
Decreasing
CloudsTonight
Low: 49 °F
Mostly Clear
Wednesday
High: 70 °F
Sunny
Wednesday Night
Low: 44 °F
Mostly Clear
Thursday
High: 67 °F
Sunny
Thursday Night
Low: 46 °F
Partly Cloudy
Friday
High: 72 °F
Mostly Sunny
Friday Night
Low: 48 °F
Clear
Saturday
High: 75 °F
Sunny
Detailed Forecast
Today
Mostly cloudy, then gradually becoming sunny, with a high near 77. Calm wind becoming northeast 5 to 7 mph in the afternoon.
Tonight
Mostly clear, with a low around 49. Northeast wind 6 to 8 mph.
Wednesday
Sunny, with a high near 70. East wind around 7 mph.
Wednesday Night
Mostly clear, with a low around 44. East wind around 7 mph.
Thursday
Sunny, with a high near 67. Southeast wind 6 to 8 mph.
Thursday Night
Partly cloudy, with a low around 46.
Friday
Mostly sunny, with a high near 72.
Friday Night
Clear, with a low around 48.
Saturday
Sunny, with a high near 75.
Saturday Night
Clear, with a low around 50.
Sunday
Sunny, with a high near 77.
Sunday Night
Mostly clear, with a low around 53.
Monday
Sunny, with a high near 77.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Twin Rocks PA
40.53°N 78.84°W (Elev. 1900 ft)
40.53°N 78.84°W (Elev. 1900 ft)
2:05 am EDT Sep 30, 2025
5am EDT Sep 30, 2025-6pm EDT Oct 6, 2025