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 73%
Wind Speed Calm
Barometer 30.01 in (1016.3 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Last update 11 Nov 12:54 am EST
Extended Forecast for

Johnstown PA

  • Overnight

    Overnight: Mostly clear, with a low around 35. Calm wind.

    Low: 35 °F

    Mostly Clear

  • Veterans Day

    Veterans Day: Partly sunny, with a high near 62. Light and variable wind.

    High: 62 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Rain likely, mainly after 5am. Mostly cloudy, with a low around 43. Calm wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 43 °F

    Mostly Cloudy
    then Rain
    Likely

  • Thursday

    Thursday: Rain, mainly before noon. High near 48. Light and variable wind becoming northwest 5 to 10 mph in the afternoon. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 48 °F

    Rain then
    Rain Likely

  • Thursday Night

    Thursday Night: Rain likely before 10pm, then a chance of rain and snow between 10pm and 4am, then a chance of snow after 4am. Mostly cloudy, with a low around 31. Northwest wind 7 to 9 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    Low: 31 °F

    Rain/Snow
    Likely

  • Friday

    Friday: A chance of rain and snow showers before 1pm, then a chance of rain showers between 1pm and 4pm, then a chance of rain and snow showers after 4pm. Mostly cloudy, with a high near 40. Chance of precipitation is 50%. Little or no snow accumulation expected.

    High: 40 °F

    Chance
    Rain/Snow

  • Friday Night

    Friday Night: A chance of rain and snow showers before 10pm, then a chance of snow showers. Mostly cloudy, with a low around 28. Chance of precipitation is 40%.

    Low: 28 °F

    Chance
    Rain/Snow
    then Chance
    Snow Showers

  • Saturday

    Saturday: A chance of rain and snow showers before 1pm, then a chance of rain showers. Mostly cloudy, with a high near 40. Chance of precipitation is 40%.

    High: 40 °F

    Chance
    Rain/Snow

  • Saturday Night

    Saturday Night: A chance of showers before 1am. Mostly cloudy, with a low around 29. Chance of precipitation is 30%.

    Low: 29 °F

    Chance
    Showers

Detailed Forecast

Overnight
Mostly clear, with a low around 35. Calm wind.
Veterans Day
Partly sunny, with a high near 62. Light and variable wind.
Wednesday Night
Rain likely, mainly after 5am. Mostly cloudy, with a low around 43. Calm wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Rain, mainly before noon. High near 48. Light and variable wind becoming northwest 5 to 10 mph in the afternoon. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
Rain likely before 10pm, then a chance of rain and snow between 10pm and 4am, then a chance of snow after 4am. Mostly cloudy, with a low around 31. Northwest wind 7 to 9 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Friday
A chance of rain and snow showers before 1pm, then a chance of rain showers between 1pm and 4pm, then a chance of rain and snow showers after 4pm. Mostly cloudy, with a high near 40. Chance of precipitation is 50%. Little or no snow accumulation expected.
Friday Night
A chance of rain and snow showers before 10pm, then a chance of snow showers. Mostly cloudy, with a low around 28. Chance of precipitation is 40%.
Saturday
A chance of rain and snow showers before 1pm, then a chance of rain showers. Mostly cloudy, with a high near 40. Chance of precipitation is 40%.
Saturday Night
A chance of showers before 1am. Mostly cloudy, with a low around 29. Chance of precipitation is 30%.
Sunday
Mostly cloudy, with a high near 42.
Sunday Night
Mostly cloudy, with a low around 29.
Monday
Partly sunny, with a high near 44.
Monday Night
Mostly cloudy, with a low around 26.
Tuesday
Mostly sunny, with a high near 47.
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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:
1:46 am EST Nov 11, 2026
Forecast Valid:
1am EST Nov 11, 2026-6pm EST Nov 17, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation