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.

Overcast

35°F

2°C

Humidity 61%
Wind Speed W 8 mph
Barometer 30.10 in (1021.5 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill28°F (-2°C)
Last update 19 Mar 7:54 am EDT
Extended Forecast for

Johnstown PA

  • Today

    Today: A chance of rain, mainly between 1pm and 4pm. Cloudy, with a high near 49. Light and variable wind becoming west around 6 mph in the afternoon. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 49 °F

    Cloudy then
    Chance Rain

  • Tonight

    Tonight: Mostly cloudy, with a low around 35. Calm wind.

    Low: 35 °F

    Mostly Cloudy

  • Friday

    Friday: Showers likely after 2pm. Mostly cloudy, with a high near 60. Light south wind becoming southwest 6 to 11 mph in the morning. Winds could gust as high as 25 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 60 °F

    Mostly Cloudy
    then Showers
    Likely

  • Friday Night

    Friday Night: Showers, mainly before 2am. Low around 44. West wind 5 to 7 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 44 °F

    Showers

  • Saturday

    Saturday: Partly sunny, with a high near 60. West wind 3 to 6 mph.

    High: 60 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 44.

    Low: 44 °F

    Partly Cloudy

  • Sunday

    Sunday: A chance of showers after 2pm. Partly sunny, with a high near 70. Chance of precipitation is 30%.

    High: 70 °F

    Mostly Sunny
    then Chance
    Showers

  • Sunday Night

    Sunday Night: Showers likely, mainly between 8pm and 2am. Mostly cloudy, with a low around 38. Chance of precipitation is 60%.

    Low: 38 °F

    Showers
    Likely

  • Monday

    Monday: A chance of showers before 8am. Mostly cloudy, with a high near 47. Chance of precipitation is 30%.

    High: 47 °F

    Chance
    Showers then
    Partly Sunny

Detailed Forecast

Today
A chance of rain, mainly between 1pm and 4pm. Cloudy, with a high near 49. Light and variable wind becoming west around 6 mph in the afternoon. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Mostly cloudy, with a low around 35. Calm wind.
Friday
Showers likely after 2pm. Mostly cloudy, with a high near 60. Light south wind becoming southwest 6 to 11 mph in the morning. Winds could gust as high as 25 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
Showers, mainly before 2am. Low around 44. West wind 5 to 7 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Saturday
Partly sunny, with a high near 60. West wind 3 to 6 mph.
Saturday Night
Partly cloudy, with a low around 44.
Sunday
A chance of showers after 2pm. Partly sunny, with a high near 70. Chance of precipitation is 30%.
Sunday Night
Showers likely, mainly between 8pm and 2am. Mostly cloudy, with a low around 38. Chance of precipitation is 60%.
Monday
A chance of showers before 8am. Mostly cloudy, with a high near 47. Chance of precipitation is 30%.
Monday Night
Partly cloudy, with a low around 23.
Tuesday
Mostly sunny, with a high near 46.
Tuesday Night
Mostly cloudy, with a low around 30.
Wednesday
Mostly sunny, with a high near 53.
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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:
5:41 am EDT Mar 19, 2026
Forecast Valid:
8am EDT Mar 19, 2026-6pm EDT Mar 25, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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