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.

Mostly Cloudy

43°F

6°C

Humidity 82%
Wind Speed NW 9 mph
Barometer 29.92 in (1014.0 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Wind Chill38°F (3°C)
Last update 22 Nov 11:54 am EST
Extended Forecast for

Johnstown PA

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 48. Northwest wind around 6 mph.

    High: 48 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 30. Calm wind.

    Low: 30 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 48. South wind 6 to 15 mph becoming west in the afternoon. Winds could gust as high as 32 mph.

    High: 48 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 29. West wind 5 to 10 mph becoming light after midnight. Winds could gust as high as 22 mph.

    Low: 29 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 51. Light and variable wind.

    High: 51 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 37.

    Low: 37 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Periods of rain. High near 55. Chance of precipitation is 80%.

    High: 55 °F

    Rain

  • Tuesday Night

    Tuesday Night: Rain likely, mainly before 1am. Cloudy, with a low around 45. Chance of precipitation is 70%.

    Low: 45 °F

    Rain Likely

  • Wednesday

    Wednesday: Rain likely. Mostly cloudy, with a high near 59. Chance of precipitation is 60%.

    High: 59 °F

    Rain Likely

Detailed Forecast

This Afternoon
Partly sunny, with a high near 48. Northwest wind around 6 mph.
Tonight
Mostly cloudy, with a low around 30. Calm wind.
Sunday
Mostly cloudy, with a high near 48. South wind 6 to 15 mph becoming west in the afternoon. Winds could gust as high as 32 mph.
Sunday Night
Partly cloudy, with a low around 29. West wind 5 to 10 mph becoming light after midnight. Winds could gust as high as 22 mph.
Monday
Mostly sunny, with a high near 51. Light and variable wind.
Monday Night
Mostly cloudy, with a low around 37.
Tuesday
Periods of rain. High near 55. Chance of precipitation is 80%.
Tuesday Night
Rain likely, mainly before 1am. Cloudy, with a low around 45. Chance of precipitation is 70%.
Wednesday
Rain likely. Mostly cloudy, with a high near 59. Chance of precipitation is 60%.
Wednesday Night
Mostly cloudy, with a low around 27.
Thanksgiving Day
Mostly cloudy, with a high near 35.
Thursday Night
Mostly cloudy, with a low around 22.
Friday
Partly sunny, with a high near 34.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Johnstown PA
 40.32°N 78.93°W (Elev. 1670 ft)
Last Update:
12:03 pm EST Nov 22, 2025
Forecast Valid:
12pm EST Nov 22, 2025-6pm EST Nov 28, 2025
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation