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 Freezing Rain Fog/Mist

30°F

-1°C

Humidity 96%
Wind Speed S 10 mph
Barometer 30.27 in (1028.1 mb)
Dewpoint 29°F (-2°C)
Visibility 2.50 mi
Wind Chill21°F (-6°C)
Last update 3 Mar 8:54 am EST
Extended Forecast for

Johnstown PA

Winter Weather Advisory March 3, 09:22am until March 3, 01:00pm
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory March 3, 09:22am until March 3, 01:00pm

    NOW until 1:00pm Tue

    Winter Weather Advisory

  • Today

    High: 46 °F

    Rain

  • Tonight

    Tonight: Rain, mainly before 11pm. Patchy fog before 3am, then patchy fog after 4am. Low around 43. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 43 °F

    Rain then
    Chance Rain
    and Patchy
    Fog

  • Wednesday

    Wednesday: Rain likely, mainly after 1pm. Patchy dense fog before 9am. Otherwise, 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 Rain
    and Patchy
    Dense Fog
    then Rain
    Likely

  • Wednesday Night

    Wednesday Night: Rain. Low around 48. Calm wind. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 48 °F

    Rain

  • Thursday

    Thursday: Rain, with thunderstorms also possible after 4pm. High near 66. Calm wind becoming southwest around 6 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 66 °F

    Rain

  • Thursday Night

    Thursday Night: Rain and possibly a thunderstorm before 4am, then rain likely. Low around 54. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 54 °F

    Rain

  • Friday

    Friday: A chance of rain. Partly sunny, with a high near 68. Chance of precipitation is 30%.

    High: 68 °F

    Chance Rain

  • Friday Night

    Friday Night: A chance of rain after 1am. Mostly cloudy, with a low around 54. Chance of precipitation is 30%.

    Low: 54 °F

    Partly Cloudy
    then Chance
    Rain

Detailed Forecast

Today
Rain. High near 46. Southeast wind around 6 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Tonight
Rain, mainly before 11pm. Patchy fog before 3am, then patchy fog after 4am. Low around 43. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
Rain likely, mainly after 1pm. Patchy dense fog before 9am. Otherwise, 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
Rain. Low around 48. Calm wind. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Thursday
Rain, with thunderstorms also possible after 4pm. High near 66. Calm wind becoming southwest around 6 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
Rain and possibly a thunderstorm before 4am, then rain likely. Low around 54. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Friday
A chance of rain. Partly sunny, with a high near 68. Chance of precipitation is 30%.
Friday Night
A chance of rain after 1am. Mostly cloudy, with a low around 54. Chance of precipitation is 30%.
Saturday
Rain, mainly after 1pm. High near 73. Chance of precipitation is 80%.
Saturday Night
Rain likely, mainly before 1am. Mostly cloudy, with a low around 51. Chance of precipitation is 70%.
Sunday
A chance of rain. Partly sunny, with a high near 64. Chance of precipitation is 30%.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 50. Chance of precipitation is 30%.
Monday
A chance of rain. Partly sunny, with a high near 67. Chance of precipitation is 30%.
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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:
7:06 am EST Mar 3, 2026
Forecast Valid:
9am EST Mar 3, 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