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.

Fair

57°F

14°C

Humidity 44%
Wind Speed SW 14 G 21 mph
Barometer 30.02 in (1016.6 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Last update 9 Mar 11:54 am EDT
Extended Forecast for

Johnstown-Cambria County Airport PA

  • This Afternoon

    This Afternoon: Sunny, with a high near 64. Southwest wind around 13 mph, with gusts as high as 22 mph.

    High: 64 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 51. Southwest wind around 8 mph.

    Low: 51 °F

    Clear

  • Tuesday

    Tuesday: A slight chance of showers after 2pm. Mostly sunny, with a high near 69. Southwest wind 8 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    High: 69 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A slight chance of showers before 8pm, then a chance of showers after 2am. Mostly cloudy, with a low around 57. South wind 6 to 8 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 57 °F

    Partly Cloudy
    then Chance
    Showers

  • Wednesday

    Wednesday: Showers and thunderstorms before 11am, then showers between 11am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 71. Southwest wind 10 to 15 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 71 °F

    Showers

  • Wednesday Night

    Wednesday Night: Rain showers before 5am, then snow showers likely, possibly mixed with rain. Some thunder is also possible. Low around 33. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    Low: 33 °F

    Showers then
    Rain/Snow

  • Thursday

    Thursday: Snow showers likely, mainly before 8am. Partly sunny, with a high near 38. Breezy. Chance of precipitation is 60%.

    High: 38 °F

    Snow Showers
    Likely and
    Breezy then
    Chance Snow
    Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 27.

    Low: 27 °F

    Partly Cloudy

  • Friday

    Friday: A chance of snow showers before 2pm, then a chance of rain and snow showers. Mostly cloudy, with a high near 49. Chance of precipitation is 50%.

    High: 49 °F

    Chance Snow
    Showers then
    Chance
    Rain/Snow

Detailed Forecast

This Afternoon
Sunny, with a high near 64. Southwest wind around 13 mph, with gusts as high as 22 mph.
Tonight
Clear, with a low around 51. Southwest wind around 8 mph.
Tuesday
A slight chance of showers after 2pm. Mostly sunny, with a high near 69. Southwest wind 8 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Tuesday Night
A slight chance of showers before 8pm, then a chance of showers after 2am. Mostly cloudy, with a low around 57. South wind 6 to 8 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Showers and thunderstorms before 11am, then showers between 11am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 71. Southwest wind 10 to 15 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
Rain showers before 5am, then snow showers likely, possibly mixed with rain. Some thunder is also possible. Low around 33. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Thursday
Snow showers likely, mainly before 8am. Partly sunny, with a high near 38. Breezy. Chance of precipitation is 60%.
Thursday Night
Partly cloudy, with a low around 27.
Friday
A chance of snow showers before 2pm, then a chance of rain and snow showers. Mostly cloudy, with a high near 49. Chance of precipitation is 50%.
Friday Night
A chance of rain and snow showers before 2am. Mostly cloudy, with a low around 30. Chance of precipitation is 30%.
Saturday
Partly sunny, with a high near 43.
Saturday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 33. Chance of precipitation is 30%.
Sunday
A chance of rain and snow showers. Mostly cloudy, with a high near 54. Chance of precipitation is 40%.
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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:
8:05 am EDT Mar 9, 2026
Forecast Valid:
12pm EDT Mar 9, 2026-6pm EDT Mar 15, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation