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

72°F

22°C

Humidity 71%
Wind Speed SW 12 mph
Barometer 30.12 in (1018.7 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 19 May 10:54 pm EDT
Extended Forecast for

Johnstown-Cambria County Airport PA

  • Tonight

    Tonight: Partly cloudy, with a low around 66. Southwest wind around 9 mph, with gusts as high as 20 mph.

    Low: 66 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm, mainly before 4pm, then a chance of showers and thunderstorms after 4pm. High near 74. West wind 11 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 74 °F

    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 48. Northwest wind 6 to 9 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 48 °F

    Chance
    Showers

  • Thursday

    Thursday: A chance of showers. Mostly cloudy, with a high near 62. East wind around 9 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 62 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers after 2am. Mostly cloudy, with a low around 48. East wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 48 °F

    Mostly Cloudy
    then Chance
    Showers

  • Friday

    Friday: A chance of showers, then showers and possibly a thunderstorm after 2pm. High near 57. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 57 °F

    Chance
    Showers then
    Showers

  • Friday Night

    Friday Night: Showers before 2am, then rain after 2am. Low around 48. Chance of precipitation is 100%.

    Low: 48 °F

    Showers

  • Saturday

    Saturday: Rain, with thunderstorms also possible after 2pm. High near 58. Chance of precipitation is 100%.

    High: 58 °F

    Rain

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 53. Chance of precipitation is 60%.

    Low: 53 °F

    Showers
    Likely

Detailed Forecast

Tonight
Partly cloudy, with a low around 66. Southwest wind around 9 mph, with gusts as high as 20 mph.
Wednesday
Showers and possibly a thunderstorm, mainly before 4pm, then a chance of showers and thunderstorms after 4pm. High near 74. West wind 11 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 48. Northwest wind 6 to 9 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
A chance of showers. Mostly cloudy, with a high near 62. East wind around 9 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
A chance of showers after 2am. Mostly cloudy, with a low around 48. East wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Friday
A chance of showers, then showers and possibly a thunderstorm after 2pm. High near 57. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Friday Night
Showers before 2am, then rain after 2am. Low around 48. Chance of precipitation is 100%.
Saturday
Rain, with thunderstorms also possible after 2pm. High near 58. Chance of precipitation is 100%.
Saturday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 53. Chance of precipitation is 60%.
Sunday
Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 71. Chance of precipitation is 70%.
Sunday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 57. Chance of precipitation is 60%.
Memorial Day
A chance of showers. Mostly cloudy, with a high near 74. Chance of precipitation is 40%.
Monday Night
A chance of showers. Mostly cloudy, with a low around 59. Chance of precipitation is 40%.
Tuesday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 76. Chance of precipitation is 50%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Johnstown-Cambria County Airport PA
 40.31°N 78.84°W (Elev. 2221 ft)
Last Update:
10:46 pm EDT May 19, 2026
Forecast Valid:
11pm EDT May 19, 2026-6pm EDT May 26, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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