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Hazardous Weather Conditions

Current conditions at

Johnstown - Cambria County Airport (KJST)

Lat: 40.31°NLon: 78.83°WElev: 2274ft.

Overcast

74°F

23°C

Humidity 37%
Wind Speed W 18 G 33 mph
Barometer 29.86 in (1009.6 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 16 Apr 6:54 pm EDT
Extended Forecast for

Johnstown-Cambria County Airport PA

  • Tonight

    Tonight: Showers likely and possibly a thunderstorm before 11pm, then a slight chance of showers between 11pm and 3am. Mostly cloudy, with a low around 58. West wind 8 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 58 °F

    Showers
    Likely then
    Slight Chance
    Showers

  • Friday

    Friday: Mostly cloudy, then gradually becoming sunny, with a high near 71. Northwest wind around 10 mph.

    High: 71 °F

    Decreasing
    Clouds

  • Friday Night

    Friday Night: Partly cloudy, with a low around 55. Calm wind becoming south around 5 mph after midnight.

    Low: 55 °F

    Partly Cloudy

  • Saturday

    Saturday: A chance of showers between 2pm and 5pm, then a chance of showers and thunderstorms after 5pm. Partly sunny, with a high near 77. South wind 8 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 77 °F

    Partly Sunny
    then Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 8pm, then showers and possibly a thunderstorm between 8pm and 2am, then showers likely after 2am. Low around 42. Southwest wind 10 to 13 mph becoming west after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 42 °F

    Showers

  • Sunday

    Sunday: Rain showers likely before 2pm, then a chance of rain and snow showers. Mostly cloudy, with a high near 49. Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 49 °F

    Showers
    Likely then
    Rain/Snow
    Likely

  • Sunday Night

    Sunday Night: A chance of showers before 8pm. Partly cloudy, with a low around 30. Chance of precipitation is 30%.

    Low: 30 °F

    Chance
    Showers then
    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 43.

    High: 43 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 28.

    Low: 28 °F

    Mostly Clear

Detailed Forecast

Tonight
Showers likely and possibly a thunderstorm before 11pm, then a slight chance of showers between 11pm and 3am. Mostly cloudy, with a low around 58. West wind 8 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
Mostly cloudy, then gradually becoming sunny, with a high near 71. Northwest wind around 10 mph.
Friday Night
Partly cloudy, with a low around 55. Calm wind becoming south around 5 mph after midnight.
Saturday
A chance of showers between 2pm and 5pm, then a chance of showers and thunderstorms after 5pm. Partly sunny, with a high near 77. South wind 8 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
A chance of showers and thunderstorms before 8pm, then showers and possibly a thunderstorm between 8pm and 2am, then showers likely after 2am. Low around 42. Southwest wind 10 to 13 mph becoming west after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Sunday
Rain showers likely before 2pm, then a chance of rain and snow showers. Mostly cloudy, with a high near 49. Chance of precipitation is 60%. Little or no snow accumulation expected.
Sunday Night
A chance of showers before 8pm. Partly cloudy, with a low around 30. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 43.
Monday Night
Mostly clear, with a low around 28.
Tuesday
Mostly sunny, with a high near 62.
Tuesday Night
A chance of showers. Partly cloudy, with a low around 49. Chance of precipitation is 30%.
Wednesday
Partly sunny, with a high near 65.
Wednesday Night
Partly cloudy, with a low around 44.
Thursday
Mostly sunny, with a high near 64.
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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:
6:46 pm EDT Apr 16, 2026
Forecast Valid:
7pm EDT Apr 16, 2026-6pm EDT Apr 23, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation