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Hazardous Weather Conditions

Current conditions at

Johnstown - Cambria County Airport (KJST)

Lat: 40.31°NLon: 78.83°WElev: 2274ft.

Rain Fog/Mist

59°F

15°C

Humidity 93%
Wind Speed S 12 mph
Barometer 29.86 in (1010.7 mb)
Dewpoint 57°F (14°C)
Visibility 1.25 mi
Last update 11 Mar 9:54 am EDT
Extended Forecast for

Johnstown-Cambria County Airport PA

  • Today

    Today: Showers and possibly a thunderstorm, mainly before 4pm, then a chance of showers and thunderstorms after 4pm. Some of the storms could be severe. High near 71. Southwest wind 11 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 71 °F

    Severe
    Thunderstorms

  • Tonight

    Tonight: Rain showers before 5am, then a chance of rain and snow showers. Some thunder is also possible. Low around 32. Breezy, with a southwest wind 16 to 21 mph, with gusts as high as 33 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.

    Low: 32 °F

    Showers and
    Breezy then
    Rain/Snow

  • Thursday

    Thursday: Cloudy, then gradually becoming mostly sunny, with a high near 37. Northwest wind around 18 mph, with gusts as high as 39 mph.

    High: 37 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 28. West wind 8 to 11 mph, with gusts as high as 20 mph.

    Low: 28 °F

    Mostly Clear

  • Friday

    Friday: A slight chance of rain after 2pm. Mostly cloudy, with a high near 50. Breezy, with a south wind 11 to 16 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 40 mph. Chance of precipitation is 20%.

    High: 50 °F

    Mostly Cloudy
    then Slight
    Chance Rain
    and Breezy

  • Friday Night

    Friday Night: A slight chance of rain and snow before 11pm, then a slight chance of snow between 11pm and 2am. Partly cloudy, with a low around 28. Breezy. Chance of precipitation is 20%.

    Low: 28 °F

    Breezy.
    Slight Chance
    Rain/Snow
    then Slight
    Chance Snow

  • Saturday

    Saturday: Mostly sunny, with a high near 42.

    High: 42 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 33.

    Low: 33 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 54. Breezy.

    High: 54 °F

    Cloudy then
    Mostly Cloudy
    and Breezy

Detailed Forecast

Today
Showers and possibly a thunderstorm, mainly before 4pm, then a chance of showers and thunderstorms after 4pm. Some of the storms could be severe. High near 71. Southwest wind 11 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
Rain showers before 5am, then a chance of rain and snow showers. Some thunder is also possible. Low around 32. Breezy, with a southwest wind 16 to 21 mph, with gusts as high as 33 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
Thursday
Cloudy, then gradually becoming mostly sunny, with a high near 37. Northwest wind around 18 mph, with gusts as high as 39 mph.
Thursday Night
Mostly clear, with a low around 28. West wind 8 to 11 mph, with gusts as high as 20 mph.
Friday
A slight chance of rain after 2pm. Mostly cloudy, with a high near 50. Breezy, with a south wind 11 to 16 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 40 mph. Chance of precipitation is 20%.
Friday Night
A slight chance of rain and snow before 11pm, then a slight chance of snow between 11pm and 2am. Partly cloudy, with a low around 28. Breezy. Chance of precipitation is 20%.
Saturday
Mostly sunny, with a high near 42.
Saturday Night
Mostly cloudy, with a low around 33.
Sunday
Mostly cloudy, with a high near 54. Breezy.
Sunday Night
Showers, mainly after 2am. Low around 35. Breezy. Chance of precipitation is 80%.
Monday
Rain and snow showers. High near 44. Breezy. Chance of precipitation is 80%.
Monday Night
A chance of snow showers. Mostly cloudy, with a low around 19. Chance of precipitation is 30%.
Tuesday
Partly sunny, with a high near 27.
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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:
9:32 am EDT Mar 11, 2026
Forecast Valid:
10am EDT Mar 11, 2026-6pm EDT Mar 17, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation