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.

Fair

60°F

16°C

Humidity 86%
Wind Speed SE 5 mph
Barometer 29.90 in (1011.1 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 25 May 4:54 am EDT
Extended Forecast for

Johnstown PA

  • Today

    Today: Showers and thunderstorms likely, mainly after 5pm. Patchy fog before 9am. Otherwise, mostly sunny, with a high near 82. Calm wind becoming southwest around 6 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    High: 82 °F

    Patchy Fog
    then T-storms
    Likely

  • Tonight

    Tonight: Showers and thunderstorms likely before 11pm, then a slight chance of showers between 11pm and 1am. Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 58. Calm wind. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 58 °F

    T-storms
    Likely then
    Slight Chance
    Showers and
    Patchy Fog

  • Sunday

    Sunday: A chance of showers and thunderstorms, mainly after 3pm. Patchy fog before 10am. Otherwise, mostly sunny, with a high near 82. Light and variable wind. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 82 °F

    Patchy Fog
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: Showers and thunderstorms, mainly after 2am. Low around 63. Southeast wind 5 to 7 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 63 °F

    Chance
    T-storms then
    T-storms

  • Memorial Day

    Memorial Day: Showers and thunderstorms before 8am, then showers and possibly a thunderstorm after 8am. High near 78. South wind 7 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 78 °F

    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms, mainly before 2am. Mostly cloudy, with a low around 55. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 55 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 72. Chance of precipitation is 40%.

    High: 72 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 52. Chance of precipitation is 30%.

    Low: 52 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly sunny, with a high near 67. Chance of precipitation is 60%.

    High: 67 °F

    Showers
    Likely

Detailed Forecast

Today
Showers and thunderstorms likely, mainly after 5pm. Patchy fog before 9am. Otherwise, mostly sunny, with a high near 82. Calm wind becoming southwest around 6 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
Showers and thunderstorms likely before 11pm, then a slight chance of showers between 11pm and 1am. Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 58. Calm wind. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Sunday
A chance of showers and thunderstorms, mainly after 3pm. Patchy fog before 10am. Otherwise, mostly sunny, with a high near 82. Light and variable wind. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Showers and thunderstorms, mainly after 2am. Low around 63. Southeast wind 5 to 7 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Memorial Day
Showers and thunderstorms before 8am, then showers and possibly a thunderstorm after 8am. High near 78. South wind 7 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Monday Night
A chance of showers and thunderstorms, mainly before 2am. Mostly cloudy, with a low around 55. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 72. Chance of precipitation is 40%.
Tuesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 52. Chance of precipitation is 30%.
Wednesday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly sunny, with a high near 67. Chance of precipitation is 60%.
Wednesday Night
Showers likely and possibly a thunderstorm before 8pm. Partly cloudy, with a low around 45. Chance of precipitation is 60%.
Thursday
Sunny, with a high near 66.
Thursday Night
Mostly clear, with a low around 44.
Friday
Sunny, with a high near 72.
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ABOUT THIS FORECAST

 
Point Forecast:
Johnstown PA
 40.32°N 78.93°W (Elev. 1670 ft)
Last Update:
3:54 am EDT May 25, 2024
Forecast Valid:
5am EDT May 25, 2024-6pm EDT May 31, 2024
 
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