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

Severe Weather Shifts to the East; Record Warm Temperatures in the South

Scattered severe storms may produce damaging winds, hail, a few tornadoes, and isolated flash flooding from central New York/western New England southward into the Carolinas on Monday. An expansive early season heat wave will persist through the week bringing record-breaking temperatures across the Southwest through the Southern Plains through the week. Read More >

Hazardous Weather Conditions

Current conditions at

Johnstown - Cambria County Airport (KJST)

Lat: 40.31°NLon: 78.83°WElev: 2274ft.

A Few Clouds

65°F

18°C

Humidity 73%
Wind Speed SW 8 mph
Barometer 29.72 in (1005.1 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 16 May 7:54 am EDT
Extended Forecast for

Johnstown PA

  • Today

    Today: Showers and thunderstorms before 4pm, then showers and possibly a thunderstorm between 4pm and 5pm, then a chance of showers and thunderstorms after 5pm. High near 68. South wind 5 to 10 mph becoming west in the morning. Winds could gust as high as 22 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    Showers

    High: 68 °F

  • Tonight

    Tonight: A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 49. West wind 5 to 8 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Chance
    Showers then
    Mostly Clear

    Low: 49 °F

  • Tuesday

    Tuesday: Sunny, with a high near 68. West wind 6 to 15 mph, with gusts as high as 29 mph.

    Sunny

    High: 68 °F

  • Tuesday
    Night

    Tuesday Night: Mostly clear, with a low around 42. Northwest wind 5 to 8 mph becoming calm in the evening. Winds could gust as high as 21 mph.

    Mostly Clear

    Low: 42 °F

  • Wednesday

    Wednesday: A chance of showers after 2pm. Partly sunny, with a high near 66. Calm wind becoming west around 6 mph in the afternoon. Chance of precipitation is 30%.

    Mostly Sunny
    then Chance
    Showers

    High: 66 °F

  • Wednesday
    Night

    Wednesday Night: A chance of showers. Mostly cloudy, with a low around 54. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    Chance
    Showers

    Low: 54 °F

  • Thursday

    Thursday: A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 77. Chance of precipitation is 40%.

    Chance
    Showers then
    Chance
    T-storms

    High: 77 °F

  • Thursday
    Night

    Thursday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 60. Chance of precipitation is 40%.

    Chance
    T-storms then
    Chance
    Showers

    Low: 60 °F

  • Friday

    Friday: A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 86. Chance of precipitation is 30%.

    Mostly Sunny
    then Chance
    T-storms

    High: 86 °F

Detailed Forecast

Today
Showers and thunderstorms before 4pm, then showers and possibly a thunderstorm between 4pm and 5pm, then a chance of showers and thunderstorms after 5pm. High near 68. South wind 5 to 10 mph becoming west in the morning. Winds could gust as high as 22 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Tonight
A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 49. West wind 5 to 8 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
Sunny, with a high near 68. West wind 6 to 15 mph, with gusts as high as 29 mph.
Tuesday Night
Mostly clear, with a low around 42. Northwest wind 5 to 8 mph becoming calm in the evening. Winds could gust as high as 21 mph.
Wednesday
A chance of showers after 2pm. Partly sunny, with a high near 66. Calm wind becoming west around 6 mph in the afternoon. Chance of precipitation is 30%.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 54. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 77. Chance of precipitation is 40%.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 60. Chance of precipitation is 40%.
Friday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 86. Chance of precipitation is 30%.
Friday Night
A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 64. Chance of precipitation is 30%.
Saturday
A chance of showers and thunderstorms. Mostly sunny, with a high near 81. Chance of precipitation is 50%.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 57. Chance of precipitation is 30%.
Sunday
A chance of showers. Partly sunny, with a high near 69. Chance of precipitation is 30%.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
Johnstown PA
 40.32°N 78.93°W (Elev. 1670 ft)
Last Update:
7:25 am EDT May 16, 2022
Forecast Valid:
8am EDT May 16, 2022-6pm EDT May 22, 2022
 
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