National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Johnstown - Cambria County Airport (KJST)

Lat: 40.31°NLon: 78.83°WElev: 2274ft.

Fair

55°F

13°C

Humidity 80%
Wind Speed W 7 mph
Barometer 29.90 in (1011.9 mb)
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Wind Chill53°F (12°C)
Last update 5 Nov 10:54 pm EST
Extended Forecast for

4 Miles W Alum Bank PA

  • Tonight

    Tonight: Mostly cloudy, with a low around 47. West wind around 8 mph.

    Low: 47 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 58. West wind 7 to 10 mph, with gusts as high as 21 mph.

    High: 58 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 37. West wind 9 to 15 mph, with gusts as high as 28 mph.

    Low: 37 °F

    Decreasing
    Clouds

  • Saturday

    Saturday: Scattered showers before 3pm, then scattered showers after 5pm. Mostly cloudy, with a high near 42. West wind 16 to 18 mph, with gusts as high as 32 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    High: 42 °F

    Scattered
    Showers

  • Saturday Night

    Saturday Night: Scattered showers, mainly before 7pm. Mostly cloudy, with a low around 38. Breezy, with a west wind 21 to 23 mph, with gusts as high as 34 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 38 °F

    Scattered
    Showers and
    Breezy

  • Sunday

    Sunday: Mostly sunny, with a high near 50. Breezy.

    High: 50 °F

    Partly Sunny
    and Breezy
    then Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 40. Breezy.

    Low: 40 °F

    Partly Cloudy
    and Breezy

  • Monday

    Monday: Mostly sunny, with a high near 49. Breezy.

    High: 49 °F

    Mostly Sunny
    and Breezy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 41.

    Low: 41 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 47. West wind around 8 mph.
Friday
Mostly cloudy, with a high near 58. West wind 7 to 10 mph, with gusts as high as 21 mph.
Friday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 37. West wind 9 to 15 mph, with gusts as high as 28 mph.
Saturday
Scattered showers before 3pm, then scattered showers after 5pm. Mostly cloudy, with a high near 42. West wind 16 to 18 mph, with gusts as high as 32 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
Scattered showers, mainly before 7pm. Mostly cloudy, with a low around 38. Breezy, with a west wind 21 to 23 mph, with gusts as high as 34 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Mostly sunny, with a high near 50. Breezy.
Sunday Night
Partly cloudy, with a low around 40. Breezy.
Monday
Mostly sunny, with a high near 49. Breezy.
Monday Night
Partly cloudy, with a low around 41.
Tuesday
Mostly sunny, with a high near 54.
Tuesday Night
Partly cloudy, with a low around 39.
Veterans Day
Mostly sunny, with a high near 51.
Wednesday Night
Mostly cloudy, with a low around 37.
Thursday
Partly sunny, with a high near 47.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles W Alum Bank PA
 40.21°N 78.71°W (Elev. 2595 ft)
Last Update:
11:01 pm EST Nov 5, 2026
Forecast Valid:
11pm EST Nov 5, 2026-6pm EST Nov 12, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation