National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

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

Lat: 41.33°NLon: 72.05°WElev: 10ft.

Overcast

39°F

4°C

Humidity 79%
Wind Speed SW 10 mph
Barometer 30.18 in (1021.8 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 21 Jan 10:56 pm EST
Extended Forecast for

2 Miles N South Lyme CT

  • Tonight

    Tonight: A chance of rain and snow before 1am, then a slight chance of snow between 1am and 4am. Mostly cloudy, with a steady temperature around 37. Southwest wind around 7 mph, with gusts as high as 22 mph. Chance of precipitation is 40%.

    Low: 37 °F

    Chance
    Rain/Snow

  • Thursday

    Thursday: Mostly sunny, with a high near 42. West wind 7 to 11 mph, with gusts as high as 24 mph.

    High: 42 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 23. West wind around 6 mph.

    Low: 23 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 33. Wind chill values between 15 and 25. West wind 6 to 11 mph, with gusts as high as 23 mph.

    High: 33 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 6. Northwest wind around 10 mph, with gusts as high as 26 mph.

    Low: 6 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny and cold, with a high near 16.

    High: 16 °F

    Cold

  • Saturday Night

    Saturday Night: A 40 percent chance of snow after 1am. Mostly cloudy, with a low around 7.

    Low: 7 °F

    Mostly Cloudy
    then Chance
    Snow

  • Sunday

    Sunday: Snow. High near 24. Chance of precipitation is 80%.

    High: 24 °F

    Snow

  • Sunday Night

    Sunday Night: Snow. Low around 16. Chance of precipitation is 80%.

    Low: 16 °F

    Snow

Detailed Forecast

Tonight
A chance of rain and snow before 1am, then a slight chance of snow between 1am and 4am. Mostly cloudy, with a steady temperature around 37. Southwest wind around 7 mph, with gusts as high as 22 mph. Chance of precipitation is 40%.
Thursday
Mostly sunny, with a high near 42. West wind 7 to 11 mph, with gusts as high as 24 mph.
Thursday Night
Partly cloudy, with a low around 23. West wind around 6 mph.
Friday
Partly sunny, with a high near 33. Wind chill values between 15 and 25. West wind 6 to 11 mph, with gusts as high as 23 mph.
Friday Night
Partly cloudy, with a low around 6. Northwest wind around 10 mph, with gusts as high as 26 mph.
Saturday
Mostly sunny and cold, with a high near 16.
Saturday Night
A 40 percent chance of snow after 1am. Mostly cloudy, with a low around 7.
Sunday
Snow. High near 24. Chance of precipitation is 80%.
Sunday Night
Snow. Low around 16. Chance of precipitation is 80%.
Monday
A 50 percent chance of snow. Mostly cloudy, with a high near 27.
Monday Night
Partly cloudy, with a low around 10.
Tuesday
Sunny, with a high near 24.
Tuesday Night
Mostly clear, with a low around 12.
Wednesday
Mostly sunny, with a high near 27.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles N South Lyme CT
 41.35°N 72.29°W (Elev. 98 ft)
Last Update:
6:01 pm EST Jan 21, 2026
Forecast Valid:
11pm EST Jan 21, 2026-6pm EST Jan 28, 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