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

61°F

16°C

Humidity 72%
Wind Speed SW 7 mph
Barometer 29.88 in (1011.0 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 5 Nov 5:54 pm EST
Extended Forecast for

Johnstown PA

  • Tonight

    Tonight: Increasing clouds, with a low around 47. Southwest wind around 6 mph becoming calm in the evening.

    Low: 47 °F

    Increasing
    Clouds

  • Friday

    Friday: A slight chance of showers between 4pm and 5pm. Mostly cloudy, with a high near 62. Calm wind becoming west 5 to 8 mph in the morning. Chance of precipitation is 20%.

    High: 62 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers, mainly before 11pm. Cloudy, then gradually becoming partly cloudy, with a low around 36. West wind around 6 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 36 °F

    Chance
    Showers then
    Mostly Cloudy

  • Saturday

    Saturday: A chance of showers, mainly after 7am. Mostly cloudy, with a high near 46. West wind 6 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    High: 46 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A slight chance of showers before 1am. Mostly cloudy, with a low around 35. West wind 8 to 11 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.

    Low: 35 °F

    Slight Chance
    Showers

  • Sunday

    Sunday: Mostly sunny, with a high near 53.

    High: 53 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 36.

    Low: 36 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 55.

    High: 55 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 38.

    Low: 38 °F

    Mostly Clear

Detailed Forecast

Tonight
Increasing clouds, with a low around 47. Southwest wind around 6 mph becoming calm in the evening.
Friday
A slight chance of showers between 4pm and 5pm. Mostly cloudy, with a high near 62. Calm wind becoming west 5 to 8 mph in the morning. Chance of precipitation is 20%.
Friday Night
A chance of showers, mainly before 11pm. Cloudy, then gradually becoming partly cloudy, with a low around 36. West wind around 6 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
A chance of showers, mainly after 7am. Mostly cloudy, with a high near 46. West wind 6 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
A slight chance of showers before 1am. Mostly cloudy, with a low around 35. West wind 8 to 11 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.
Sunday
Mostly sunny, with a high near 53.
Sunday Night
Partly cloudy, with a low around 36.
Monday
Mostly sunny, with a high near 55.
Monday Night
Mostly clear, with a low around 38.
Tuesday
Sunny, with a high near 60.
Tuesday Night
Mostly clear, with a low around 36.
Veterans Day
Mostly sunny, with a high near 55.
Wednesday Night
Partly cloudy, with a low around 31.
Thursday
Partly sunny, with a high near 53.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Johnstown PA
 40.32°N 78.93°W (Elev. 1670 ft)
Last Update:
2:16 pm EST Nov 5, 2026
Forecast Valid:
6pm EST Nov 5, 2026-6pm EST Nov 12, 2026
 
Forecast Discussion
 
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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation