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

70°F

21°C

Humidity 69%
Wind Speed Calm
Barometer 30.05 in
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 11 Sep 7:15 pm EDT
Extended Forecast for

Wellersburg PA

  • Tonight

    Tonight: Increasing clouds, with a low around 63. Calm wind.

    Low: 63 °F

    Increasing
    Clouds

  • Saturday

    Saturday: A chance of showers, with thunderstorms also possible after 2pm. Cloudy, with a high near 79. Calm wind becoming southeast 5 to 7 mph in the morning. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 79 °F

    Chance
    Showers then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm before 11pm, then showers likely. Low around 65. Calm wind. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 65 °F

    Showers

  • Sunday

    Sunday: A chance of showers, mainly before 7am. Mostly cloudy, then gradually becoming sunny, with a high near 82. West wind 3 to 8 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 82 °F

    Chance
    Showers then
    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 61. West wind 5 to 7 mph.

    Low: 61 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 74.

    High: 74 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 51.

    Low: 51 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 75.

    High: 75 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 57.

    Low: 57 °F

    Mostly Clear

Detailed Forecast

Tonight
Increasing clouds, with a low around 63. Calm wind.
Saturday
A chance of showers, with thunderstorms also possible after 2pm. Cloudy, with a high near 79. Calm wind becoming southeast 5 to 7 mph in the morning. Chance of precipitation is 40%. 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 showers likely. Low around 65. Calm wind. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Sunday
A chance of showers, mainly before 7am. Mostly cloudy, then gradually becoming sunny, with a high near 82. West wind 3 to 8 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
Partly cloudy, with a low around 61. West wind 5 to 7 mph.
Monday
Mostly sunny, with a high near 74.
Monday Night
Mostly clear, with a low around 51.
Tuesday
Sunny, with a high near 75.
Tuesday Night
Mostly clear, with a low around 57.
Wednesday
Mostly sunny, with a high near 83.
Wednesday Night
Mostly clear, with a low around 64.
Thursday
A chance of showers. Mostly sunny, with a high near 82. Chance of precipitation is 50%.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 60. Chance of precipitation is 40%.
Friday
A chance of showers. Mostly sunny, with a high near 76. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
Wellersburg PA
 39.73°N 78.84°W (Elev. 1663 ft)
Last Update:
2:21 pm EDT Sep 11, 2026
Forecast Valid:
8pm EDT Sep 11, 2026-6pm EDT Sep 18, 2026
 
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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