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

58°F

14°C

Humidity 93%
Wind Speed Calm
Barometer 30.19 in (1021.6 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 30 Sep 5:54 am EDT
Extended Forecast for

Johnstown PA

  • Today

    Today: Partly sunny, with a high near 79. Calm wind becoming northeast around 6 mph in the afternoon.

    High: 79 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 48. Northeast wind 3 to 5 mph.

    Low: 48 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 72. Northeast wind 3 to 7 mph.

    High: 72 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 42. East wind 3 to 5 mph.

    Low: 42 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 69. Southeast wind 3 to 7 mph.

    High: 69 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 44.

    Low: 44 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 73.

    High: 73 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Patchy fog after 5am.  Otherwise, mostly clear, with a low around 46.

    Low: 46 °F

    Mostly Clear
    then Patchy
    Fog

  • Saturday

    Saturday: Patchy fog between 8am and 9am.  Otherwise, sunny, with a high near 77.

    High: 77 °F

    Patchy Fog
    then Sunny

Detailed Forecast

Today
Partly sunny, with a high near 79. Calm wind becoming northeast around 6 mph in the afternoon.
Tonight
Mostly clear, with a low around 48. Northeast wind 3 to 5 mph.
Wednesday
Sunny, with a high near 72. Northeast wind 3 to 7 mph.
Wednesday Night
Mostly clear, with a low around 42. East wind 3 to 5 mph.
Thursday
Sunny, with a high near 69. Southeast wind 3 to 7 mph.
Thursday Night
Partly cloudy, with a low around 44.
Friday
Mostly sunny, with a high near 73.
Friday Night
Patchy fog after 5am. Otherwise, mostly clear, with a low around 46.
Saturday
Patchy fog between 8am and 9am. Otherwise, sunny, with a high near 77.
Saturday Night
Mostly clear, with a low around 49.
Sunday
Sunny, with a high near 79.
Sunday Night
Mostly clear, with a low around 51.
Monday
Sunny, with a high near 79.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Johnstown PA
 40.32°N 78.93°W (Elev. 1670 ft)
6:11 am EDT Sep 30, 2025
6am EDT Sep 30, 2025-6pm EDT Oct 6, 2025
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database