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.

Partly Cloudy

64°F

18°C

Humidity 58%
Wind Speed W 9 mph
Barometer 30.04 in (1016.4 mb)
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Last update 23 Apr 10:54 am EDT
Extended Forecast for

Johnstown-Cambria County Airport PA

  • Today

    Today: Sunny, with a high near 71. West wind around 8 mph.

    High: 71 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 54. Southwest wind 3 to 5 mph.

    Low: 54 °F

    Mostly Clear

  • Friday

    Friday: A chance of showers, then showers and thunderstorms likely after 11am. Partly sunny, with a high near 73. West wind 6 to 9 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 73 °F

    Chance
    Showers then
    T-storms
    Likely

  • Friday Night

    Friday Night: Showers and thunderstorms likely. Mostly cloudy, with a low around 54. South wind 3 to 7 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 54 °F

    T-storms
    Likely then
    Showers
    Likely

  • Saturday

    Saturday: Showers and possibly a thunderstorm. High near 61. South wind around 11 mph becoming west in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 61 °F

    Showers

  • Saturday Night

    Saturday Night: Showers likely, mainly before 8pm. Mostly cloudy, with a low around 43. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 43 °F

    Showers
    Likely

  • Sunday

    Sunday: Partly sunny, with a high near 60.

    High: 60 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 44.

    Low: 44 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 63.

    High: 63 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 71. West wind around 8 mph.
Tonight
Mostly clear, with a low around 54. Southwest wind 3 to 5 mph.
Friday
A chance of showers, then showers and thunderstorms likely after 11am. Partly sunny, with a high near 73. West wind 6 to 9 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 54. South wind 3 to 7 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
Showers and possibly a thunderstorm. High near 61. South wind around 11 mph becoming west in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Saturday Night
Showers likely, mainly before 8pm. Mostly cloudy, with a low around 43. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Partly sunny, with a high near 60.
Sunday Night
Partly cloudy, with a low around 44.
Monday
Mostly sunny, with a high near 63.
Monday Night
Showers likely, mainly after 2am. Mostly cloudy, with a low around 48. Chance of precipitation is 70%.
Tuesday
Showers. High near 63. Chance of precipitation is 80%.
Tuesday Night
Showers likely. Mostly cloudy, with a low around 46. Chance of precipitation is 60%.
Wednesday
A chance of showers. Partly sunny, with a high near 62. Chance of precipitation is 40%.
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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:
9:46 am EDT Apr 23, 2026
Forecast Valid:
11am EDT Apr 23, 2026-6pm EDT Apr 29, 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