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

57°F

14°C

Humidity 81%
Wind Speed NW 5 mph
Barometer 29.85 in (1009.7 mb)
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Last update 19 Jun 5:54 am EDT
Extended Forecast for

Cairnbrook PA

  • Juneteenth

    Juneteenth: Mostly cloudy, then gradually becoming sunny, with a high near 69. West wind 8 to 15 mph, with gusts as high as 25 mph.

    High: 69 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: Mostly clear, with a low around 53. West wind 8 to 11 mph, with gusts as high as 23 mph.

    Low: 53 °F

    Mostly Clear

  • Saturday

    Saturday: Isolated showers and thunderstorms between 2pm and 3pm. Sunny, with a high near 69. West wind 10 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.

    High: 69 °F

    Sunny then
    Isolated
    T-storms

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 54. West wind 3 to 8 mph.

    Low: 54 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 73. West wind 6 to 9 mph.

    High: 73 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A chance of showers, then showers and possibly a thunderstorm after 2am. Low around 57. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 57 °F

    Chance
    Showers then
    Showers

  • Monday

    Monday: Showers, with thunderstorms also possible after 2pm. High near 71. Chance of precipitation is 90%.

    High: 71 °F

    Showers

  • Monday Night

    Monday Night: A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 55. Chance of precipitation is 50%.

    Low: 55 °F

    Chance
    T-storms then
    Chance
    Showers

  • Tuesday

    Tuesday: Partly sunny, with a high near 69.

    High: 69 °F

    Partly Sunny

Detailed Forecast

Juneteenth
Mostly cloudy, then gradually becoming sunny, with a high near 69. West wind 8 to 15 mph, with gusts as high as 25 mph.
Tonight
Mostly clear, with a low around 53. West wind 8 to 11 mph, with gusts as high as 23 mph.
Saturday
Isolated showers and thunderstorms between 2pm and 3pm. Sunny, with a high near 69. West wind 10 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.
Saturday Night
Partly cloudy, with a low around 54. West wind 3 to 8 mph.
Sunday
Mostly sunny, with a high near 73. West wind 6 to 9 mph.
Sunday Night
A chance of showers, then showers and possibly a thunderstorm after 2am. Low around 57. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Monday
Showers, with thunderstorms also possible after 2pm. High near 71. Chance of precipitation is 90%.
Monday Night
A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 55. Chance of precipitation is 50%.
Tuesday
Partly sunny, with a high near 69.
Tuesday Night
Partly cloudy, with a low around 53.
Wednesday
Mostly sunny, with a high near 72.
Wednesday Night
Partly cloudy, with a low around 56.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 73. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Cairnbrook PA
 40.13°N 78.81°W (Elev. 2195 ft)
Last Update:
6:11 am EDT Jun 19, 2026
Forecast Valid:
6am EDT Jun 19, 2026-6pm EDT Jun 25, 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