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

25°F

-4°C

Humidity 63%
Wind Speed Calm
Barometer 30.36 in
Dewpoint 14°F (-10°C)
Visibility 10.00 mi
Last update 24 Mar 9:55 am EDT
Extended Forecast for

Addison PA

  • Today

    Today: Sunny, with a high near 51. Calm wind.

    High: 51 °F

    Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 34. Calm wind.

    Low: 34 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 59. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 59 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 48. Light south wind.

    Low: 48 °F

    Mostly Cloudy

  • Thursday

    Thursday: A chance of rain, mainly after 2pm. Mostly cloudy, with a high near 68. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

    High: 68 °F

    Chance Rain

  • Thursday Night

    Thursday Night: Rain and thunderstorms likely, then rain after 11pm. Low around 44. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 44 °F

    Rain

  • Friday

    Friday: Rain, mainly before 8am. High near 53. Chance of precipitation is 80%.

    High: 53 °F

    Rain then
    Chance Rain

  • Friday Night

    Friday Night: Partly cloudy, with a low around 24.

    Low: 24 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 44.

    High: 44 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 51. Calm wind.
Tonight
Mostly cloudy, with a low around 34. Calm wind.
Wednesday
Mostly cloudy, with a high near 59. Calm wind becoming southwest around 5 mph in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 48. Light south wind.
Thursday
A chance of rain, mainly after 2pm. Mostly cloudy, with a high near 68. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Thursday Night
Rain and thunderstorms likely, then rain after 11pm. Low around 44. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Friday
Rain, mainly before 8am. High near 53. Chance of precipitation is 80%.
Friday Night
Partly cloudy, with a low around 24.
Saturday
Sunny, with a high near 44.
Saturday Night
Mostly clear, with a low around 28.
Sunday
Sunny, with a high near 55.
Sunday Night
Partly cloudy, with a low around 39.
Monday
Partly sunny, with a high near 60.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Addison PA
 39.76°N 79.33°W (Elev. 2051 ft)
Last Update:
8:05 am EDT Mar 24, 2026
Forecast Valid:
10am EDT Mar 24, 2026-6pm EDT Mar 30, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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