Unsettled Weather in the West; Marine and Coastal Impacts Along the East Coast

A series of Pacific fronts will bring periodic waves of showers and thunderstorms to parts of the Great Basin and Pacific Northwest the next few days. Swells, high surf, dangerous rip currents and areas of coastal flooding continue along much of the East Coast from both Humberto and Imelda. Unseasonably hot temperatures continue for much of the Plains and Midwest through the remainder of the week. Read More >

Current conditions at

Johnstown - Cambria County Airport (KJST)

Lat: 40.31°NLon: 78.83°WElev: 2274ft.

Fair

54°F

12°C

Humidity 40%
Wind Speed E 3 mph
Barometer 30.30 in (1025.9 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 1 Oct 10:54 pm EDT
Extended Forecast for

3 Miles ESE Twin Rocks PA

Frost Advisory October 2, 12:00am until October 2, 09:00am
Click here for hazard details and duration
Frost Advisory
  • Tonight

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

    Low: 44 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 66. Southeast wind around 9 mph.

    High: 66 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 48. South wind 8 to 10 mph.

    Low: 48 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 71. South wind 3 to 6 mph.

    High: 71 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Clear, with a low around 49. Calm wind becoming south around 5 mph after midnight.

    Low: 49 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 75.

    High: 75 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 51.

    Low: 51 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 75.

    High: 75 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 53.

    Low: 53 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 44. East wind around 7 mph.
Thursday
Mostly sunny, with a high near 66. Southeast wind around 9 mph.
Thursday Night
Partly cloudy, with a low around 48. South wind 8 to 10 mph.
Friday
Mostly sunny, with a high near 71. South wind 3 to 6 mph.
Friday Night
Clear, with a low around 49. Calm wind becoming south around 5 mph after midnight.
Saturday
Sunny, with a high near 75.
Saturday Night
Mostly clear, with a low around 51.
Sunday
Sunny, with a high near 75.
Sunday Night
Mostly clear, with a low around 53.
Monday
Sunny, with a high near 75.
Monday Night
Partly cloudy, with a low around 58.
Tuesday
A chance of showers. Mostly sunny, with a high near 74. Chance of precipitation is 30%.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 56. Chance of precipitation is 40%.
Wednesday
A chance of showers. Partly sunny, with a high near 64. Chance of precipitation is 30%.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ESE Twin Rocks PA
 40.51°N 78.81°W (Elev. 2221 ft)
8:06 pm EDT Oct 1, 2025
11pm EDT Oct 1, 2025-6pm EDT Oct 8, 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