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.

Mostly Cloudy

70°F

21°C

Humidity 83%
Wind Speed SE 3 mph
Barometer 29.92 in
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 1 Aug 11:15 pm EDT
Extended Forecast for

Jennerstown PA

  • Tonight

    Tonight: A slight chance of showers before 2am, then a chance of showers and thunderstorms between 2am and 4am, then showers likely and possibly a thunderstorm after 4am. Mostly cloudy, with a low around 65. South wind around 7 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 65 °F

    Showers
    Likely

  • Sunday

    Sunday: Showers and possibly a thunderstorm. High near 74. Southeast wind 8 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 74 °F

    Showers

  • Sunday Night

    Sunday Night: Showers likely and possibly a thunderstorm before midnight, then a chance of showers and thunderstorms between midnight and 5am, then a chance of showers after 5am. Mostly cloudy, with a low around 64. Southeast wind around 6 mph becoming calm in the evening. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 64 °F

    Showers
    Likely

  • Monday

    Monday: A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 78. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 78 °F

    Showers
    Likely

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm before 8pm. Patchy fog between 11pm and 1am. Otherwise, mostly cloudy, with a low around 62. Calm wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 62 °F

    Showers
    Likely and
    Patchy Fog
    then Patchy
    Fog

  • Tuesday

    Tuesday: A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 78. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 78 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 65. Chance of precipitation is 30%.

    Low: 65 °F

    Chance
    T-storms then
    Mostly Cloudy

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm, mainly after 2pm. High near 79. Chance of precipitation is 80%.

    High: 79 °F

    Chance
    Showers then
    Showers

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am. Low around 64. Chance of precipitation is 80%.

    Low: 64 °F

    Showers then
    Chance
    Showers

Detailed Forecast

Tonight
A slight chance of showers before 2am, then a chance of showers and thunderstorms between 2am and 4am, then showers likely and possibly a thunderstorm after 4am. Mostly cloudy, with a low around 65. South wind around 7 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
Showers and possibly a thunderstorm. High near 74. Southeast wind 8 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Sunday Night
Showers likely and possibly a thunderstorm before midnight, then a chance of showers and thunderstorms between midnight and 5am, then a chance of showers after 5am. Mostly cloudy, with a low around 64. Southeast wind around 6 mph becoming calm in the evening. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday
A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 78. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday Night
Showers likely and possibly a thunderstorm before 8pm. Patchy fog between 11pm and 1am. Otherwise, mostly cloudy, with a low around 62. Calm wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 78. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
A chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 65. Chance of precipitation is 30%.
Wednesday
Showers and possibly a thunderstorm, mainly after 2pm. High near 79. Chance of precipitation is 80%.
Wednesday Night
Showers and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am. Low around 64. Chance of precipitation is 80%.
Thursday
A chance of showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 79. Chance of precipitation is 50%.
Thursday Night
A chance of thunderstorms. Partly cloudy, with a low around 65. Chance of precipitation is 30%.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 81. Chance of precipitation is 40%.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 65. Chance of precipitation is 30%.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 81. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
Jennerstown PA
 40.15°N 79.07°W (Elev. 1949 ft)
Last Update:
9:11 pm EDT Aug 1, 2026
Forecast Valid:
11pm EDT Aug 1, 2026-6pm EDT Aug 8, 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