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.

Partly Cloudy

61°F

16°C

Humidity 68%
Wind Speed NW 5 mph
Barometer 29.94 in
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 19 Jun 9:35 pm EDT
Extended Forecast for

Addison PA

  • Tonight

    Tonight: Mostly clear, with a low around 55. West wind 3 to 6 mph.

    Low: 55 °F

    Mostly Clear

  • Saturday

    Saturday: A slight chance of showers, then a chance of showers and thunderstorms after 4pm. Increasing clouds, with a high near 72. West wind 6 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 72 °F

    Sunny then
    Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 10pm. Patchy fog after 4am. Otherwise, partly cloudy, with a low around 57. West wind around 6 mph becoming calm in the evening. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 57 °F

    Chance
    T-storms then
    Patchy Fog

  • Sunday

    Sunday: Patchy fog before 8am. Otherwise, mostly sunny, with a high near 76. West wind 3 to 7 mph.

    High: 76 °F

    Patchy Fog
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: A chance of showers, then showers and possibly a thunderstorm after 2am. Low around 62. Calm wind becoming southeast around 5 mph after midnight. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 62 °F

    Chance
    Showers then
    Showers

  • Monday

    Monday: Showers and possibly a thunderstorm. High near 75. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 75 °F

    Showers

  • Monday Night

    Monday Night: Showers likely, mainly before 2am. Mostly cloudy, with a low around 58. Chance of precipitation is 60%.

    Low: 58 °F

    Showers
    Likely

  • Tuesday

    Tuesday: A chance of showers before 8am. Partly sunny, with a high near 72. Chance of precipitation is 30%.

    High: 72 °F

    Chance
    Showers then
    Partly Sunny

  • Tuesday Night

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

    Low: 56 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 55. West wind 3 to 6 mph.
Saturday
A slight chance of showers, then a chance of showers and thunderstorms after 4pm. Increasing clouds, with a high near 72. West wind 6 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
A chance of showers and thunderstorms before 10pm. Patchy fog after 4am. Otherwise, partly cloudy, with a low around 57. West wind around 6 mph becoming calm in the evening. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 76. West wind 3 to 7 mph.
Sunday Night
A chance of showers, then showers and possibly a thunderstorm after 2am. Low around 62. Calm wind becoming southeast around 5 mph after midnight. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Monday
Showers and possibly a thunderstorm. High near 75. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Monday Night
Showers likely, mainly before 2am. Mostly cloudy, with a low around 58. Chance of precipitation is 60%.
Tuesday
A chance of showers before 8am. Partly sunny, with a high near 72. Chance of precipitation is 30%.
Tuesday Night
Partly cloudy, with a low around 56.
Wednesday
Mostly sunny, with a high near 74.
Wednesday Night
A chance of showers. Partly cloudy, with a low around 58. Chance of precipitation is 30%.
Thursday
A chance of showers. Partly sunny, with a high near 76. Chance of precipitation is 40%.
Thursday Night
Partly cloudy, with a low around 59.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 75. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
Addison PA
 39.73°N 79.34°W (Elev. 2100 ft)
Last Update:
8:11 pm EDT Jun 19, 2026
Forecast Valid:
9pm EDT Jun 19, 2026-6pm EDT Jun 26, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation