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 94%
Wind Speed SE 3 mph
Barometer 30.13 in
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 15 Oct 3:55 pm EDT
Extended Forecast for

Addison PA

  • This Afternoon

    This Afternoon: A slight chance of showers before 5pm. Mostly cloudy, with a high near 61. Southeast wind around 7 mph. Chance of precipitation is 20%.

    High: 61 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly before 4am, then a slight chance of thunderstorms after 5am. Cloudy, then gradually becoming partly cloudy, with a temperature rising to around 67 by 5am. Southeast wind around 7 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 60 °F⇑

    Showers
    Likely

  • Friday

    Friday: Showers, mainly after 2pm. High near 74. Southwest wind 10 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    High: 74 °F

    Slight Chance
    Showers then
    Showers

  • Friday Night

    Friday Night: A chance of showers, mainly before 5am. Mostly cloudy, with a low around 39. West wind around 11 mph, with gusts as high as 23 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 39 °F

    Chance
    Showers

  • Saturday

    Saturday: Mostly sunny, with a high near 47. Northwest wind around 10 mph, with gusts as high as 22 mph.

    High: 47 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Widespread frost, mainly after 1am. Otherwise, clear, with a low around 32.

    Low: 32 °F

    Frost

  • Sunday

    Sunday: Widespread frost before 9am. Otherwise, sunny, with a high near 57.

    High: 57 °F

    Frost then
    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 37.

    Low: 37 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 62.

    High: 62 °F

    Sunny

Detailed Forecast

This Afternoon
A slight chance of showers before 5pm. Mostly cloudy, with a high near 61. Southeast wind around 7 mph. Chance of precipitation is 20%.
Tonight
Showers and thunderstorms likely, mainly before 4am, then a slight chance of thunderstorms after 5am. Cloudy, then gradually becoming partly cloudy, with a temperature rising to around 67 by 5am. Southeast wind around 7 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, mainly after 2pm. High near 74. Southwest wind 10 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
A chance of showers, mainly before 5am. Mostly cloudy, with a low around 39. West wind around 11 mph, with gusts as high as 23 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Mostly sunny, with a high near 47. Northwest wind around 10 mph, with gusts as high as 22 mph.
Saturday Night
Widespread frost, mainly after 1am. Otherwise, clear, with a low around 32.
Sunday
Widespread frost before 9am. Otherwise, sunny, with a high near 57.
Sunday Night
Clear, with a low around 37.
Monday
Sunny, with a high near 62.
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 42.
Wednesday
Sunny, with a high near 65.
Wednesday Night
Mostly clear, with a low around 42.
Thursday
Sunny, with a high near 64.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Addison PA
 39.76°N 79.33°W (Elev. 2051 ft)
Last Update:
2:21 pm EDT Oct 15, 2026
Forecast Valid:
4pm EDT Oct 15, 2026-6pm EDT Oct 22, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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