Current conditions at

Johnstown - Cambria County Airport (KJST)

Lat: 40.31°NLon: 78.83°WElev: 2274ft.

Light Rain Fog

64°F

18°C

Humidity 100%
Wind Speed E 3 mph
Barometer 30.21 in (1021.7 mb)
Dewpoint 64°F (18°C)
Visibility 0.15 mi
Last update 15 Aug 4:54 am EDT
Extended Forecast for

Lilly PASimilar City Names

Dense Fog Advisory until August 15, 09:00am
Click here for hazard details and duration
Dense Fog Advisory
  •  
    Dense Fog Advisory until August 15, 09:00am

    NOW until 9:00am Sat

    Dense Fog Advisory

  • Overnight

    Low: 59 °F

    Areas Dense
    Fog

  • Saturday

    Saturday: Areas of dense fog before 8am.  Otherwise, mostly sunny, with a high near 80. Light southeast wind.

    High: 80 °F

    Areas Dense
    Fog then
    Mostly Sunny

  • Saturday Night

    Saturday Night: A chance of showers, with thunderstorms also possible after 5am.  Mostly cloudy, with a low around 65. East wind 3 to 6 mph.  Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 65 °F

    Mostly Cloudy
    then Chance
    Showers

  • Sunday

    Sunday: Showers and thunderstorms before 1pm, then showers likely and possibly a thunderstorm between 1pm and 5pm, then a chance of showers and thunderstorms after 5pm.  High near 76. Southeast wind 7 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 21 mph.  Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

    High: 76 °F

    Showers

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm.  Low around 67. West wind around 10 mph, with gusts as high as 23 mph.  Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 67 °F

    Showers

  • Monday

    Monday: A chance of showers, with thunderstorms also possible after 11am.  Partly sunny, with a high near 77. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 77 °F

    Chance
    Showers

  • Monday Night

    Monday Night: Partly cloudy, with a low around 57.

    Low: 57 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 75.

    High: 75 °F

    Sunny

Detailed Forecast

Overnight
Areas of dense fog. Otherwise, partly cloudy, with a low around 59. Light east wind.
Saturday
Areas of dense fog before 8am. Otherwise, mostly sunny, with a high near 80. Light southeast wind.
Saturday Night
A chance of showers, with thunderstorms also possible after 5am. Mostly cloudy, with a low around 65. East wind 3 to 6 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
Showers and thunderstorms before 1pm, then showers likely and possibly a thunderstorm between 1pm and 5pm, then a chance of showers and thunderstorms after 5pm. High near 76. Southeast wind 7 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Sunday Night
Showers and possibly a thunderstorm. Low around 67. West wind around 10 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Monday
A chance of showers, with thunderstorms also possible after 11am. Partly sunny, with a high near 77. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday Night
Partly cloudy, with a low around 57.
Tuesday
Sunny, with a high near 75.
Tuesday Night
Mostly clear, with a low around 59.
Wednesday
Sunny, with a high near 79.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 62. Chance of precipitation is 50%.
Thursday
A chance of showers. Partly sunny, with a high near 75. Chance of precipitation is 30%.
Thursday Night
A chance of showers. Partly cloudy, with a low around 56. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 72.
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ABOUT THIS FORECAST

 
Point Forecast:
Lilly PASimilar City Names
 40.42°N 78.62°W (Elev. 1906 ft)
3:06 am EDT Aug 15, 2026
5am EDT Aug 15, 2026-6pm EDT Aug 21, 2026
 
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Additional Resources

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