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.

Overcast

54°F

12°C

Humidity 100%
Wind Speed S 8 mph
Barometer 30.08 in
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Wind Chill52°F (11°C)
Last update 15 Oct 9:15 pm EDT
Extended Forecast for

Wellersburg PA

  • Tonight

    Tonight: Showers and thunderstorms likely before 2am, then a chance of showers. Mostly cloudy, with a low around 57. South wind 3 to 6 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 57 °F

    Showers
    Likely

  • Friday

    Friday: Showers likely, mainly between 2pm and 5pm. Sunny, then becoming mostly cloudy during the afternoon, with a high near 77. South wind 6 to 11 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 29 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 77 °F

    Mostly Sunny
    then Showers
    Likely

  • Friday Night

    Friday Night: A chance of showers, mainly before 11pm. Mostly cloudy, with a low around 41. Breezy, with a west wind 18 to 20 mph, with gusts as high as 31 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 41 °F

    Chance
    Showers and
    Breezy

  • Saturday

    Saturday: Partly sunny, then gradually becoming sunny, with a high near 48. Breezy, with a north wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 48 °F

    Mostly Sunny
    and Breezy
    then Sunny

  • Saturday Night

    Saturday Night: Widespread frost, mainly after 4am. Otherwise, clear, with a low around 33. Northwest wind 3 to 8 mph.

    Low: 33 °F

    Clear then
    Frost

  • Sunday

    Sunday: Widespread frost before 9am. Otherwise, sunny, with a high near 56.

    High: 56 °F

    Frost then
    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 36.

    Low: 36 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 61.

    High: 61 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 41.

    Low: 41 °F

    Mostly Clear

Detailed Forecast

Tonight
Showers and thunderstorms likely before 2am, then a chance of showers. Mostly cloudy, with a low around 57. South wind 3 to 6 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
Showers likely, mainly between 2pm and 5pm. Sunny, then becoming mostly cloudy during the afternoon, with a high near 77. South wind 6 to 11 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 29 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
A chance of showers, mainly before 11pm. Mostly cloudy, with a low around 41. Breezy, with a west wind 18 to 20 mph, with gusts as high as 31 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Partly sunny, then gradually becoming sunny, with a high near 48. Breezy, with a north wind 15 to 20 mph, with gusts as high as 30 mph.
Saturday Night
Widespread frost, mainly after 4am. Otherwise, clear, with a low around 33. Northwest wind 3 to 8 mph.
Sunday
Widespread frost before 9am. Otherwise, sunny, with a high near 56.
Sunday Night
Clear, with a low around 36.
Monday
Sunny, with a high near 61.
Monday Night
Mostly clear, with a low around 41.
Tuesday
Mostly sunny, with a high near 65.
Tuesday Night
Mostly clear, with a low around 44.
Wednesday
Sunny, with a high near 65.
Wednesday Night
Mostly clear, with a low around 43.
Thursday
Sunny, with a high near 62.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Wellersburg PA
 39.73°N 78.84°W (Elev. 1663 ft)
Last Update:
8:06 pm EDT Oct 15, 2026
Forecast Valid:
9pm EDT Oct 15, 2026-6pm EDT Oct 22, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation