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

39°F

4°C

Humidity 30%
Wind Speed NW 9 mph
Barometer 30.17 in
Dewpoint 10°F (-12°C)
Visibility 10.00 mi
Wind Chill33°F (1°C)
Last update 14 Mar 6:35 pm EDT
Extended Forecast for

Addison PA

  • Tonight

    Tonight: Mostly cloudy, with a low around 38. Calm wind becoming southeast 5 to 8 mph after midnight.

    Low: 38 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 59. Southeast wind 10 to 14 mph, with gusts as high as 26 mph.

    High: 59 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A chance of showers. Mostly cloudy, with a low around 48. Southeast wind 13 to 15 mph, with gusts as high as 29 mph. Chance of precipitation is 40%.

    Low: 48 °F

    Chance
    Showers

  • Monday

    Monday: Showers, with thunderstorms also possible after 2pm. High near 65. South wind 10 to 13 mph becoming west in the afternoon. Winds could gust as high as 26 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 65 °F

    Showers

  • Monday Night

    Monday Night: A chance of snow showers, mainly before 2am. Mostly cloudy, with a low around 20. West wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 50%. New snow accumulation of around an inch possible.

    Low: 20 °F

    Chance Snow
    Showers

  • Tuesday

    Tuesday: A slight chance of snow showers before 2pm. Mostly cloudy, with a high near 27. Chance of precipitation is 20%.

    High: 27 °F

    Slight Chance
    Snow Showers

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 17.

    Low: 17 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 39.

    High: 39 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 30.

    Low: 30 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 38. Calm wind becoming southeast 5 to 8 mph after midnight.
Sunday
Partly sunny, with a high near 59. Southeast wind 10 to 14 mph, with gusts as high as 26 mph.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 48. Southeast wind 13 to 15 mph, with gusts as high as 29 mph. Chance of precipitation is 40%.
Monday
Showers, with thunderstorms also possible after 2pm. High near 65. South wind 10 to 13 mph becoming west in the afternoon. Winds could gust as high as 26 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Monday Night
A chance of snow showers, mainly before 2am. Mostly cloudy, with a low around 20. West wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 50%. New snow accumulation of around an inch possible.
Tuesday
A slight chance of snow showers before 2pm. Mostly cloudy, with a high near 27. Chance of precipitation is 20%.
Tuesday Night
Mostly cloudy, with a low around 17.
Wednesday
Mostly cloudy, with a high near 39.
Wednesday Night
Mostly cloudy, with a low around 30.
Thursday
Mostly cloudy, with a high near 51.
Thursday Night
Mostly cloudy, with a low around 37.
Friday
Partly sunny, with a high near 57.
Friday Night
A chance of showers. Mostly cloudy, with a low around 39. Chance of precipitation is 30%.
Saturday
A chance of showers. Partly sunny, with a high near 56. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Addison PA
 39.75°N 79.3°W (Elev. 1883 ft)
Last Update:
2:28 pm EDT Mar 14, 2026
Forecast Valid:
6pm EDT Mar 14, 2026-6pm EDT Mar 21, 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