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

74°F

23°C

Humidity 64%
Wind Speed S 9 mph
Barometer 29.98 in (1014.2 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 22 Aug 1:54 pm EDT
Extended Forecast for

Sankertown PA

  • This Afternoon

    This Afternoon: A chance of showers and thunderstorms, mainly after 5pm. Some of the storms could be severe. Mostly sunny, with a high near 75. South wind around 8 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 75 °F

    Severe
    Thunderstorms

  • Tonight

    Tonight: Showers and thunderstorms before 2am, then a slight chance of showers between 2am and 5am. Some of the storms could be severe. Patchy fog after 2am. Low around 59. Southeast wind 5 to 8 mph becoming southwest after midnight. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 59 °F

    Severe
    Thunderstorms
    then Chance
    T-storms and
    Patchy Fog

  • Sunday

    Sunday: A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 70. West wind 11 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 70 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 3am, then a slight chance of showers between 3am and 4am. Partly cloudy, with a low around 54. West wind 6 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

    Low: 54 °F

    Partly Cloudy
    then Chance
    Showers

  • Monday

    Monday: A chance of showers, mainly before 7am. Mostly sunny, with a high near 68. West wind 9 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 30%.

    High: 68 °F

    Chance
    Showers then
    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 53.

    Low: 53 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 73.

    High: 73 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A chance of showers and thunderstorms, mainly after 5pm. Some of the storms could be severe. Mostly sunny, with a high near 75. South wind around 8 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms before 2am, then a slight chance of showers between 2am and 5am. Some of the storms could be severe. Patchy fog after 2am. Low around 59. Southeast wind 5 to 8 mph becoming southwest after midnight. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Sunday
A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 70. West wind 11 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A chance of showers and thunderstorms before 3am, then a slight chance of showers between 3am and 4am. Partly cloudy, with a low around 54. West wind 6 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Monday
A chance of showers, mainly before 7am. Mostly sunny, with a high near 68. West wind 9 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 30%.
Monday Night
Mostly clear, with a low around 53.
Tuesday
Mostly sunny, with a high near 73.
Tuesday Night
Mostly clear, with a low around 56.
Wednesday
Mostly sunny, with a high near 77.
Wednesday Night
Mostly cloudy, with a low around 61.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 78. Chance of precipitation is 50%.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 61. Chance of precipitation is 50%.
Friday
A chance of showers. Partly sunny, with a high near 77. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
Sankertown PA
 40.47°N 78.61°W (Elev. 1896 ft)
Last Update:
2:31 pm EDT Aug 22, 2026
Forecast Valid:
2pm EDT Aug 22, 2026-6pm EDT Aug 28, 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