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.

Overcast

25°F

-4°C

Humidity 66%
Wind Speed SE 8 mph
Barometer 30.39 in (1032.8 mb)
Dewpoint 15°F (-9°C)
Visibility 10.00 mi
Wind Chill16°F (-9°C)
Last update 2 Mar 2:54 pm EST
Extended Forecast for

Johnstown PA

Winter Weather Advisory March 3, 01:00am until March 3, 01:00pm
Click here for hazard details and duration
Winter Weather Advisory

  • Tonight

    Tonight: Freezing rain and sleet likely before 4am, then rain or freezing rain likely between 4am and 5am, then rain or freezing rain likely after 5am. Increasing clouds, with a low around 28. Southeast wind around 6 mph. Chance of precipitation is 70%. Total nighttime ice accumulation of less than a 0.1 of an inch possible. Little or no sleet accumulation expected.

    Low: 28 °F

    Mostly Cloudy
    then Wintry
    Mix Likely

  • Tuesday

    Tuesday: Rain or freezing rain, becoming all rain after 10am. High near 46. South wind around 6 mph. Chance of precipitation is 100%. Little or no ice accumulation expected.

    High: 46 °F

    Rain/Freezing
    Rain then
    Rain

  • Tuesday Night

    Tuesday Night: Showers. Low around 43. Light and variable wind. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 43 °F

    Showers

  • Wednesday

    Wednesday: Showers likely, mainly after 1pm. Mostly cloudy, with a high near 55. Calm wind. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 55 °F

    Chance
    Showers then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers. Low around 49. Calm wind. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 49 °F

    Showers

  • Thursday

    Thursday: Showers likely, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 68. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 68 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers. Low around 55. Chance of precipitation is 80%.

    Low: 55 °F

    Showers

  • Friday

    Friday: A chance of showers before 1pm. Partly sunny, with a high near 69. Chance of precipitation is 30%.

    High: 69 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers. Mostly cloudy, with a low around 55. Chance of precipitation is 30%.

    Low: 55 °F

    Chance
    Showers

Detailed Forecast

Tonight
Freezing rain and sleet likely before 4am, then rain or freezing rain likely between 4am and 5am, then rain or freezing rain likely after 5am. Increasing clouds, with a low around 28. Southeast wind around 6 mph. Chance of precipitation is 70%. Total nighttime ice accumulation of less than a 0.1 of an inch possible. Little or no sleet accumulation expected.
Tuesday
Rain or freezing rain, becoming all rain after 10am. High near 46. South wind around 6 mph. Chance of precipitation is 100%. Little or no ice accumulation expected.
Tuesday Night
Showers. Low around 43. Light and variable wind. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
Showers likely, mainly after 1pm. Mostly cloudy, with a high near 55. Calm wind. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
Showers. Low around 49. Calm wind. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Thursday
Showers likely, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 68. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Showers. Low around 55. Chance of precipitation is 80%.
Friday
A chance of showers before 1pm. Partly sunny, with a high near 69. Chance of precipitation is 30%.
Friday Night
A chance of showers. Mostly cloudy, with a low around 55. Chance of precipitation is 30%.
Saturday
Showers likely, mainly after 1pm. Partly sunny, with a high near 74. Chance of precipitation is 60%.
Saturday Night
Showers likely. Mostly cloudy, with a low around 55. Chance of precipitation is 70%.
Sunday
A chance of showers. Mostly cloudy, with a high near 67. Chance of precipitation is 50%.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 53. Chance of precipitation is 40%.
Monday
A chance of showers. Mostly cloudy, with a high near 66. Chance of precipitation is 40%.
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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:
2:41 pm EST Mar 2, 2026
Forecast Valid:
3pm EST Mar 2, 2026-6pm EDT Mar 9, 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