National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Johnstown - Cambria County Airport (KJST)

Lat: 40.31°NLon: 78.83°WElev: 2274ft.

Light Snow Fog/Mist

16°F

-9°C

Humidity 84%
Wind Speed W 14 G 25 mph
Barometer 30.07 in (1022.2 mb)
Dewpoint 12°F (-11°C)
Visibility 2.50 mi
Wind Chill2°F (-17°C)
Last update 17 Mar 8:51 pm EDT
Extended Forecast for

Johnstown PA

  • Tonight

    Tonight: Scattered snow showers, mainly before 10pm. Partly cloudy, with a low around 15. West wind around 6 mph becoming calm in the evening. Chance of precipitation is 30%.

    Low: 15 °F

    Scattered
    Snow Showers
    then Partly
    Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 37. Calm wind becoming south around 5 mph in the afternoon.

    High: 37 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 29. Calm wind.

    Low: 29 °F

    Mostly Cloudy

  • Thursday

    Thursday: A chance of showers after 2pm. Mostly cloudy, with a high near 49. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 30%.

    High: 49 °F

    Mostly Cloudy
    then Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers, mainly before 2am. Mostly cloudy, with a low around 36. Calm wind. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 36 °F

    Chance
    Showers

  • Friday

    Friday: A slight chance of showers before 8am, then a slight chance of showers after 2pm. Mostly cloudy, with a high near 53. Chance of precipitation is 20%.

    High: 53 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers after 8pm. Mostly cloudy, with a low around 38. Chance of precipitation is 40%.

    Low: 38 °F

    Chance
    Showers

  • Saturday

    Saturday: Mostly cloudy, with a high near 58.

    High: 58 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 42.

    Low: 42 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Scattered snow showers, mainly before 10pm. Partly cloudy, with a low around 15. West wind around 6 mph becoming calm in the evening. Chance of precipitation is 30%.
Wednesday
Mostly sunny, with a high near 37. Calm wind becoming south around 5 mph in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 29. Calm wind.
Thursday
A chance of showers after 2pm. Mostly cloudy, with a high near 49. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 30%.
Thursday Night
A chance of showers, mainly before 2am. Mostly cloudy, with a low around 36. Calm wind. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Friday
A slight chance of showers before 8am, then a slight chance of showers after 2pm. Mostly cloudy, with a high near 53. Chance of precipitation is 20%.
Friday Night
A chance of showers after 8pm. Mostly cloudy, with a low around 38. Chance of precipitation is 40%.
Saturday
Mostly cloudy, with a high near 58.
Saturday Night
Mostly cloudy, with a low around 42.
Sunday
A chance of showers after 2pm. Partly sunny, with a high near 63. Chance of precipitation is 30%.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 35. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 47.
Monday Night
Mostly clear, with a low around 25.
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:
2:21 pm EDT Mar 17, 2026
Forecast Valid:
9pm EDT Mar 17, 2026-6pm EDT Mar 24, 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