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.

Overcast

69°F

21°C

Humidity 61%
Wind Speed S 6 mph
Barometer 30.25 in (1023.3 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 7 Sep 11:54 am EDT
Extended Forecast for

Johnstown-Cambria County Airport PA

  • Labor Day

    Labor Day: Mostly sunny, with a high near 74. Light east wind.

    High: 74 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy during the early evening, then becoming mostly clear, with a low around 54. East wind around 5 mph.

    Low: 54 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 77. South wind around 6 mph becoming west in the afternoon.

    High: 77 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 60. Calm wind becoming southeast around 6 mph after midnight.

    Low: 60 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 79. Southwest wind 7 to 13 mph, with gusts as high as 23 mph.

    High: 79 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A chance of showers after 2am. Partly cloudy, with a low around 66. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 66 °F

    Partly Cloudy
    then Chance
    Showers

  • Thursday

    Thursday: Showers likely, then showers and possibly a thunderstorm after 2pm. High near 73. Chance of precipitation is 80%.

    High: 73 °F

    Showers

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm before 8pm. Low around 56. Chance of precipitation is 80%.

    Low: 56 °F

    Showers then
    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 72.

    High: 72 °F

    Mostly Sunny

Detailed Forecast

Labor Day
Mostly sunny, with a high near 74. Light east wind.
Tonight
Mostly cloudy during the early evening, then becoming mostly clear, with a low around 54. East wind around 5 mph.
Tuesday
Mostly sunny, with a high near 77. South wind around 6 mph becoming west in the afternoon.
Tuesday Night
Partly cloudy, with a low around 60. Calm wind becoming southeast around 6 mph after midnight.
Wednesday
Mostly sunny, with a high near 79. Southwest wind 7 to 13 mph, with gusts as high as 23 mph.
Wednesday Night
A chance of showers after 2am. Partly cloudy, with a low around 66. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Showers likely, then showers and possibly a thunderstorm after 2pm. High near 73. Chance of precipitation is 80%.
Thursday Night
Showers and possibly a thunderstorm before 8pm. Low around 56. Chance of precipitation is 80%.
Friday
Mostly sunny, with a high near 72.
Friday Night
Partly cloudy, with a low around 56.
Saturday
Mostly sunny, with a high near 77.
Saturday Night
Partly cloudy, with a low around 61.
Sunday
Mostly sunny, with a high near 77.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Johnstown-Cambria County Airport PA
 40.31°N 78.84°W (Elev. 2221 ft)
Last Update:
8:05 am EDT Sep 7, 2026
Forecast Valid:
12pm EDT Sep 7, 2026-6pm EDT Sep 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