Current conditions at

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

Lat: 41.33°NLon: 72.05°WElev: 10ft.

Fog/Mist

21°F

-6°C

Humidity 85%
Wind Speed NE 13 mph
Barometer 29.98 in (1015.2 mb)
Dewpoint 17°F (-8°C)
Visibility 5.00 mi
Wind Chill8°F (-13°C)
Last update 27 Dec 12:56 am EST
Extended Forecast for

3 Miles SE South Lyme CT

Winter Storm Warning December 27, 01:28am until December 27, 01:00pm
Click here for hazard details and duration
Winter Storm Warning
  •  
    Winter Storm Warning December 27, 01:28am until December 27, 01:00pm

    NOW until 1:00pm Sat

    Winter Storm Warning

  • Overnight

    Low: 24 °F

    Snow

  • Saturday

    Saturday: A 30 percent chance of snow before 10am.  Cloudy, then gradually becoming mostly sunny, with a high near 33. Wind chill values between 15 and 25. Northeast wind 9 to 13 mph.

    High: 33 °F

    Chance Snow
    then Partly
    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 19. Wind chill values between 10 and 15. Northwest wind around 5 mph.

    Low: 19 °F

    Mostly Clear

  • Sunday

    Sunday: Increasing clouds, with a high near 40. Wind chill values between 15 and 25. West wind 5 to 7 mph.

    High: 40 °F

    Increasing
    Clouds

  • Sunday Night

    Sunday Night: Rain.  Temperature rising to around 43 by 5am. South wind 6 to 10 mph.  Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 36 °F

    Rain Likely
    then Rain

  • Monday

    Monday: Rain.  High near 50. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 50 °F

    Rain

  • Monday Night

    Monday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 28. Breezy.

    Low: 28 °F

    Decreasing
    Clouds and
    Breezy

  • Tuesday

    Tuesday: Partly sunny, with a high near 33. Windy.

    High: 33 °F

    Partly Sunny
    and Windy

Detailed Forecast

Overnight
Snow, mainly before 4am. Low around 24. Wind chill values between 15 and 20. Northeast wind 11 to 13 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 6 to 10 inches possible.
Saturday
A 30 percent chance of snow before 10am. Cloudy, then gradually becoming mostly sunny, with a high near 33. Wind chill values between 15 and 25. Northeast wind 9 to 13 mph.
Saturday Night
Mostly clear, with a low around 19. Wind chill values between 10 and 15. Northwest wind around 5 mph.
Sunday
Increasing clouds, with a high near 40. Wind chill values between 15 and 25. West wind 5 to 7 mph.
Sunday Night
Rain. Temperature rising to around 43 by 5am. South wind 6 to 10 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Monday
Rain. High near 50. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 28. Breezy.
Tuesday
Partly sunny, with a high near 33. Windy.
Tuesday Night
Mostly cloudy, with a low around 27. Breezy.
Wednesday
Mostly sunny, with a high near 36.
Wednesday Night
Mostly cloudy, with a low around 27.
New Year's Day
Partly sunny, with a high near 34.
Thursday Night
Mostly cloudy, with a low around 20.
Friday
Mostly sunny, with a high near 28.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SE South Lyme CT
 41.3°N 72.24°W (Elev. 0 ft)
1:05 am EST Dec 27, 2025
1am EST Dec 27, 2025-6pm EST Jan 2, 2026
 
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Additional Resources

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