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.

A Few Clouds

52°F

11°C

Humidity 100%
Wind Speed Vrbl 5 mph
Barometer 30.19 in (1022.5 mb)
Dewpoint 52°F (11°C)
Visibility 7.00 mi
Wind Chill51°F (11°C)
Last update 6 Mar 9:54 pm EST
Extended Forecast for

Johnstown-Cambria County Airport PA

  • Tonight

    Tonight: A slight chance of rain between 11pm and 1am. Patchy fog before 1am. Otherwise, mostly cloudy, with a low around 50. South wind around 11 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    Low: 50 °F

    Slight Chance
    Rain and
    Patchy Fog

  • Saturday

    Saturday: A chance of showers and thunderstorms before 2pm, then showers likely and possibly a thunderstorm between 2pm and 4pm, then a chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 68. Southwest wind 10 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 68 °F

    Chance
    Showers then
    Showers
    Likely

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm before 1am, then showers likely between 1am and 4am, then showers likely and possibly a thunderstorm after 4am. Low around 49. Southwest wind around 15 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 49 °F

    Showers

  • Sunday

    Sunday: A slight chance of showers and thunderstorms before 7am, then a slight chance of showers between 7am and 1pm. Mostly cloudy, then gradually becoming sunny, with a high near 56. West wind around 14 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.

    High: 56 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 42. Southwest wind around 10 mph.

    Low: 42 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 65.

    High: 65 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 51.

    Low: 51 °F

    Mostly Clear

  • Tuesday

    Tuesday: A chance of showers after 1pm. Mostly sunny, with a high near 69. Chance of precipitation is 40%.

    High: 69 °F

    Mostly Sunny
    then Chance
    Showers

  • Tuesday Night

    Tuesday Night: Showers likely, mainly after 1am. Mostly cloudy, with a low around 56. Chance of precipitation is 70%.

    Low: 56 °F

    Chance
    Showers then
    Showers
    Likely

Detailed Forecast

Tonight
A slight chance of rain between 11pm and 1am. Patchy fog before 1am. Otherwise, mostly cloudy, with a low around 50. South wind around 11 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Saturday
A chance of showers and thunderstorms before 2pm, then showers likely and possibly a thunderstorm between 2pm and 4pm, then a chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 68. Southwest wind 10 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Showers and possibly a thunderstorm before 1am, then showers likely between 1am and 4am, then showers likely and possibly a thunderstorm after 4am. Low around 49. Southwest wind around 15 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Sunday
A slight chance of showers and thunderstorms before 7am, then a slight chance of showers between 7am and 1pm. Mostly cloudy, then gradually becoming sunny, with a high near 56. West wind around 14 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.
Sunday Night
Mostly clear, with a low around 42. Southwest wind around 10 mph.
Monday
Sunny, with a high near 65.
Monday Night
Mostly clear, with a low around 51.
Tuesday
A chance of showers after 1pm. Mostly sunny, with a high near 69. Chance of precipitation is 40%.
Tuesday Night
Showers likely, mainly after 1am. Mostly cloudy, with a low around 56. Chance of precipitation is 70%.
Wednesday
Showers. High near 64. Chance of precipitation is 80%.
Wednesday Night
Rain and snow showers likely. Cloudy, with a low around 35. Chance of precipitation is 70%.
Thursday
A chance of rain and snow showers. Mostly cloudy, with a high near 43. Chance of precipitation is 30%.
Thursday Night
Mostly cloudy, with a low around 30.
Friday
A chance of showers. Partly sunny, with a high near 48. Chance of precipitation is 30%.
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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:
8:16 pm EST Mar 6, 2026
Forecast Valid:
10pm EST Mar 6, 2026-6pm EDT Mar 13, 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