Current conditions at

Groton / New London, Groton / New London Airport (KGON)

Lat: 41.33°NLon: 72.05°WElev: 10ft.

Fair

19°F

-7°C

Humidity 68%
Wind Speed Calm
Barometer 29.95 in (1014.1 mb)
Dewpoint 10°F (-12°C)
Visibility 10.00 mi
Last update 5 Feb 7:56 pm EST
Extended Forecast for

2 Miles N South Lyme CT

Extreme Cold Watch February 7, 06:00pm until February 8, 01:00pm
Click here for hazard details and duration
Extreme Cold Watch
  • Tonight

    Tonight: Partly cloudy, with a low around 11. Calm wind.

    Low: 11 °F

    Partly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 30. Wind chill values between 15 and 25. Light and variable wind.

    High: 30 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Snow likely after 1am.  Mostly cloudy, with a low around 17. Calm wind.  Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    Low: 17 °F

    Mostly Cloudy
    then Snow
    Likely

  • Saturday

    Saturday: Snow, mainly before 1pm.  Temperature falling to around 17 by 5pm. Wind chill values between zero and 10. Blustery, with a light north wind becoming northwest 17 to 22 mph in the morning. Winds could gust as high as 36 mph.  Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

    High: 21 °F

    Snow and
    Blustery

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 1. Blustery, with a northwest wind 19 to 24 mph decreasing to 13 to 18 mph after midnight. Winds could gust as high as 37 mph.

    Low: 1 °F

    Mostly Cloudy
    and Blustery
    then Mostly
    Cloudy

  • Sunday

    Sunday: Sunny and cold, with a high near 16.

    High: 16 °F

    Cold

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 3.

    Low: 3 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 24.

    High: 24 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 7.

    Low: 7 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 11. Calm wind.
Friday
Mostly cloudy, with a high near 30. Wind chill values between 15 and 25. Light and variable wind.
Friday Night
Snow likely after 1am. Mostly cloudy, with a low around 17. Calm wind. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Saturday
Snow, mainly before 1pm. Temperature falling to around 17 by 5pm. Wind chill values between zero and 10. Blustery, with a light north wind becoming northwest 17 to 22 mph in the morning. Winds could gust as high as 36 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.
Saturday Night
Mostly cloudy, with a low around 1. Blustery, with a northwest wind 19 to 24 mph decreasing to 13 to 18 mph after midnight. Winds could gust as high as 37 mph.
Sunday
Sunny and cold, with a high near 16.
Sunday Night
Mostly clear, with a low around 3.
Monday
Sunny, with a high near 24.
Monday Night
Mostly clear, with a low around 7.
Tuesday
Sunny, with a high near 31.
Tuesday Night
Partly cloudy, with a low around 14.
Wednesday
Mostly sunny, with a high near 35.
Wednesday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 22.
Thursday
Mostly sunny, with a high near 37.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles N South Lyme CT
 41.35°N 72.29°W (Elev. 98 ft)
1:09 pm EST Feb 5, 2026
8pm EST Feb 5, 2026-6pm EST Feb 12, 2026
 
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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