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.

Mostly Cloudy

78°F

26°C

Humidity 58%
Wind Speed NW 3 mph
Barometer 30.19 in (1021.1 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 15 Aug 4:54 pm EDT
Extended Forecast for

Sankertown PA

Flood Watch August 16, 06:00am until August 16, 10:00pm
Click here for hazard details and duration
Flood Watch

  • Tonight

    Tonight: A chance of showers after 4am. Mostly cloudy, with a low around 66. Southeast wind 3 to 6 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 66 °F

    Mostly Cloudy
    then Chance
    Showers

  • Sunday

    Sunday: Showers and thunderstorms before 2pm, then showers and possibly a thunderstorm, mainly after 2pm. High near 75. South wind around 7 mph becoming west in the afternoon. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 75 °F

    Showers

  • Sunday Night

    Sunday Night: Showers and thunderstorms before 3am, then a chance of showers. Low around 67. Southwest wind 7 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 67 °F

    Showers then
    Showers
    Likely

  • Monday

    Monday: A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 77. West wind around 11 mph, with gusts as high as 22 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 77 °F

    Chance
    Showers

  • Monday Night

    Monday Night: Partly cloudy, with a low around 57. Northwest wind 5 to 8 mph.

    Low: 57 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 75.

    High: 75 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 58.

    Low: 58 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A chance of showers after 8pm. Mostly cloudy, with a low around 60. Chance of precipitation is 50%.

    Low: 60 °F

    Chance
    Showers

Detailed Forecast

Tonight
A chance of showers after 4am. Mostly cloudy, with a low around 66. Southeast wind 3 to 6 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Showers and thunderstorms before 2pm, then showers and possibly a thunderstorm, mainly after 2pm. High near 75. South wind around 7 mph becoming west in the afternoon. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Sunday Night
Showers and thunderstorms before 3am, then a chance of showers. Low around 67. Southwest wind 7 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Monday
A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 77. West wind around 11 mph, with gusts as high as 22 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday Night
Partly cloudy, with a low around 57. Northwest wind 5 to 8 mph.
Tuesday
Sunny, with a high near 75.
Tuesday Night
Mostly clear, with a low around 58.
Wednesday
Mostly sunny, with a high near 77.
Wednesday Night
A chance of showers after 8pm. Mostly cloudy, with a low around 60. Chance of precipitation is 50%.
Thursday
A chance of showers after 2pm. Partly sunny, with a high near 72. Chance of precipitation is 30%.
Thursday Night
A chance of showers. Partly cloudy, with a low around 54. Chance of precipitation is 30%.
Friday
Partly sunny, with a high near 72.
Friday Night
Partly cloudy, with a low around 56.
Saturday
A chance of showers. Partly sunny, with a high near 73. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sankertown PA
 40.46°N 78.58°W (Elev. 2087 ft)
Last Update:
3:16 pm EDT Aug 15, 2026
Forecast Valid:
5pm EDT Aug 15, 2026-6pm EDT Aug 22, 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