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

Somerset County Airport (K2G9)

Lat: 40.04°NLon: 79.02°WElev: 2275ft.

Fair

72°F

22°C

Humidity 57%
Wind Speed Calm
Barometer 30.05 in
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 11 Sep 5:55 pm EDT
Extended Forecast for

Jennerstown PA

  • Tonight

    Tonight: Increasing clouds, with a low around 60. Light and variable wind.

    Low: 60 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Showers and thunderstorms likely, mainly before 3pm, then showers likely and possibly a thunderstorm after 4pm. Mostly cloudy, with a high near 77. South wind 5 to 8 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 77 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm before 11pm, then a chance of showers and thunderstorms between 11pm and 2am, then a chance of showers after 2am. Low around 63. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 63 °F

    Showers then
    Chance
    Showers

  • Sunday

    Sunday: A slight chance of showers, with thunderstorms also possible after 5pm. Partly sunny, with a high near 77. Calm wind becoming west 5 to 8 mph in the morning. Chance of precipitation is 20%.

    High: 77 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 57. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 57 °F

    Chance
    Showers

  • Monday

    Monday: Mostly sunny, with a high near 70.

    High: 70 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 49.

    Low: 49 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 74.

    High: 74 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 56.

    Low: 56 °F

    Partly Cloudy

Detailed Forecast

Tonight
Increasing clouds, with a low around 60. Light and variable wind.
Saturday
Showers and thunderstorms likely, mainly before 3pm, then showers likely and possibly a thunderstorm after 4pm. Mostly cloudy, with a high near 77. South wind 5 to 8 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Showers and possibly a thunderstorm before 11pm, then a chance of showers and thunderstorms between 11pm and 2am, then a chance of showers after 2am. Low around 63. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Sunday
A slight chance of showers, with thunderstorms also possible after 5pm. Partly sunny, with a high near 77. Calm wind becoming west 5 to 8 mph in the morning. Chance of precipitation is 20%.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 57. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
Mostly sunny, with a high near 70.
Monday Night
Mostly clear, with a low around 49.
Tuesday
Sunny, with a high near 74.
Tuesday Night
Partly cloudy, with a low around 56.
Wednesday
A chance of showers after 2pm. Mostly sunny, with a high near 81. Chance of precipitation is 30%.
Wednesday Night
A chance of showers. Partly cloudy, with a low around 61. Chance of precipitation is 30%.
Thursday
Showers likely. Partly sunny, with a high near 77. Chance of precipitation is 70%.
Thursday Night
Showers likely. Mostly cloudy, with a low around 57. Chance of precipitation is 60%.
Friday
A chance of showers. Partly sunny, with a high near 73. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
Jennerstown PA
 40.18°N 79.07°W (Elev. 1972 ft)
Last Update:
2:21 pm EDT Sep 11, 2026
Forecast Valid:
6pm EDT Sep 11, 2026-6pm EDT Sep 18, 2026
 
Forecast Discussion
 
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Additional Resources

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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