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

    Today: Mostly cloudy, then gradually becoming sunny, with a high near 77. Calm wind becoming northeast 5 to 7 mph in the afternoon.

    High: 77 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: Mostly clear, with a low around 49. Northeast wind 6 to 8 mph.

    Low: 49 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 70. East wind around 7 mph.

    High: 70 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 44. East wind around 7 mph.

    Low: 44 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 67. Southeast wind 6 to 8 mph.

    High: 67 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 46.

    Low: 46 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 72.

    High: 72 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Clear, with a low around 48.

    Low: 48 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 75.

    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.
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ABOUT THIS FORECAST

 
Point Forecast:
Twin Rocks PA
 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
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database