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.

Rain Fog/Mist

43°F

6°C

Humidity 93%
Wind Speed S 9 mph
Barometer 29.99 in (1016.7 mb)
Dewpoint 41°F (5°C)
Visibility 2.50 mi
Wind Chill38°F (3°C)
Last update 25 Nov 11:54 am EST
Extended Forecast for

Johnstown PA

  • This Afternoon

    This Afternoon: Rain. High near 55. Southeast wind 7 to 9 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 55 °F

    Rain

  • Tonight

    Tonight: Rain likely, mainly before midnight. Cloudy, with a low around 47. South wind around 6 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 47 °F

    Rain Likely

  • Wednesday

    Wednesday: Rain, mainly before 1pm. High near 58. Southwest wind 6 to 15 mph, with gusts as high as 29 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 58 °F

    Rain

  • Wednesday Night

    Wednesday Night: A slight chance of snow showers before 1am. Mostly cloudy, with a low around 26. West wind 14 to 17 mph, with gusts as high as 41 mph. Chance of precipitation is 20%.

    Low: 26 °F

    Slight Chance
    Snow Showers

  • Thanksgiving Day

    Thanksgiving Day: Mostly cloudy, with a high near 33. Breezy, with a west wind 17 to 20 mph, with gusts as high as 40 mph.

    High: 33 °F

    Mostly Cloudy
    and Breezy

  • Thursday Night

    Thursday Night: A slight chance of snow showers after 1am. Mostly cloudy, with a low around 22. Chance of precipitation is 20%.

    Low: 22 °F

    Mostly Cloudy
    then Slight
    Chance Snow
    Showers

  • Friday

    Friday: A chance of snow showers before 1pm. Mostly cloudy, with a high near 31. Chance of precipitation is 30%.

    High: 31 °F

    Chance Snow
    Showers

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 21.

    Low: 21 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 34.

    High: 34 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
Rain. High near 55. Southeast wind 7 to 9 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Tonight
Rain likely, mainly before midnight. Cloudy, with a low around 47. South wind around 6 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
Rain, mainly before 1pm. High near 58. Southwest wind 6 to 15 mph, with gusts as high as 29 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
A slight chance of snow showers before 1am. Mostly cloudy, with a low around 26. West wind 14 to 17 mph, with gusts as high as 41 mph. Chance of precipitation is 20%.
Thanksgiving Day
Mostly cloudy, with a high near 33. Breezy, with a west wind 17 to 20 mph, with gusts as high as 40 mph.
Thursday Night
A slight chance of snow showers after 1am. Mostly cloudy, with a low around 22. Chance of precipitation is 20%.
Friday
A chance of snow showers before 1pm. Mostly cloudy, with a high near 31. Chance of precipitation is 30%.
Friday Night
Mostly cloudy, with a low around 21.
Saturday
Mostly cloudy, with a high near 34.
Saturday Night
A chance of snow after 1am. Mostly cloudy, with a low around 24. Chance of precipitation is 30%.
Sunday
A chance of rain. Mostly cloudy, with a high near 41. Chance of precipitation is 40%.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 28. Chance of precipitation is 40%.
Monday
A chance of rain. Mostly cloudy, with a high near 44. Chance of precipitation is 50%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Johnstown PA
 40.32°N 78.93°W (Elev. 1670 ft)
Last Update:
7:46 am EST Nov 25, 2025
Forecast Valid:
12pm EST Nov 25, 2025-6pm EST Dec 1, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation