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

46°F

8°C

Humidity 47%
Wind Speed W 10 mph
Barometer 29.98 in (1015.6 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill41°F (5°C)
Last update 9 Mar 1:54 am EDT
Extended Forecast for

Johnstown-Cambria County Airport PA

  • Overnight

    Overnight: Clear, with a low around 43. Southwest wind around 8 mph.

    Low: 43 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 64. Southwest wind 9 to 13 mph, with gusts as high as 22 mph.

    High: 64 °F

    Sunny

  • Monday Night

    Monday Night: 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. 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. Low around 33. Chance of precipitation is 90%.

    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

Detailed Forecast

Overnight
Clear, with a low around 43. Southwest wind around 8 mph.
Monday
Sunny, with a high near 64. Southwest wind 9 to 13 mph, with gusts as high as 22 mph.
Monday Night
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. 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. Low around 33. Chance of precipitation is 90%.
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. 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:
2:21 am EDT Mar 9, 2026
Forecast Valid:
2am EDT Mar 9, 2026-6pm EDT Mar 15, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation