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

56°F

13°C

Humidity 40%
Wind Speed Vrbl 3 mph
Barometer 30.10 in (1020.2 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 6 Oct 4:54 pm EDT
Extended Forecast for

Johnstown PA

  • Tonight

    Tonight: Clear, with a low around 42. Calm wind.

    Low: 42 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 71. Calm wind becoming west 5 to 9 mph in the afternoon.

    High: 71 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 53. Southwest wind around 6 mph.

    Low: 53 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 70. Light west wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 23 mph.

    High: 70 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 44. Light and variable wind.

    Low: 44 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 67.

    High: 67 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 47.

    Low: 47 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 74.

    High: 74 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 54.

    Low: 54 °F

    Partly Cloudy

Detailed Forecast

Tonight
Clear, with a low around 42. Calm wind.
Wednesday
Sunny, with a high near 71. Calm wind becoming west 5 to 9 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 53. Southwest wind around 6 mph.
Thursday
Mostly sunny, with a high near 70. Light west wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 23 mph.
Thursday Night
Mostly clear, with a low around 44. Light and variable wind.
Friday
Sunny, with a high near 67.
Friday Night
Mostly clear, with a low around 47.
Saturday
Sunny, with a high near 74.
Saturday Night
Partly cloudy, with a low around 54.
Sunday
A chance of showers after 2pm. Partly sunny, with a high near 69. Chance of precipitation is 40%.
Sunday Night
Showers likely. Mostly cloudy, with a low around 56. Chance of precipitation is 60%.
Columbus Day
A chance of showers. Mostly cloudy, with a high near 71. Chance of precipitation is 40%.
Monday Night
Mostly cloudy, with a low around 55.
Tuesday
A chance of showers. Partly sunny, with a high near 71. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Johnstown PA
 40.34°N 78.89°W (Elev. 1299 ft)
Last Update:
2:21 pm EDT Oct 6, 2026
Forecast Valid:
5pm EDT Oct 6, 2026-6pm EDT Oct 13, 2026
 
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