Current conditions at

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

Lat: 41.33°NLon: 72.05°WElev: 10ft.

Fog/Mist

28°F

-2°C

Humidity 92%
Wind Speed Calm
Barometer 30.09 in (1018.9 mb)
Dewpoint 26°F (-3°C)
Visibility 4.00 mi
Last update 18 Jan 3:56 am EST
Extended Forecast for

2 Miles N South Lyme CT

Winter Weather Advisory January 18, 10:00am until January 19, 04:00am
Click here for hazard details and duration
Winter Weather Advisory
  • Overnight

    Overnight: A 20 percent chance of snow.  Areas of freezing fog. Cloudy, with a low around 29. Calm wind.

    Low: 29 °F

    Slight Chance
    Snow and
    Areas
    Freezing Fog

  • Sunday

    Sunday: Snow before 10am, then snow likely, possibly mixed with rain between 10am and 4pm, then snow after 4pm.  Areas of freezing fog before 7am. High near 36. Calm wind becoming northeast around 5 mph.  Chance of precipitation is 100%. New snow accumulation of less than one inch possible.

    High: 36 °F

    Rain/Snow and
    Areas
    Freezing Fog

  • Sunday Night

    Sunday Night: Snow, mainly before 1am.  Low around 22. Light and variable wind.  Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.

    Low: 22 °F

    Snow

  • M.L.King Day

    M.L.King Day: Mostly sunny, with a high near 31. Wind chill values between 15 and 25. Southwest wind 5 to 15 mph, with gusts as high as 28 mph.

    High: 31 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 15. West wind around 9 mph, with gusts as high as 24 mph.

    Low: 15 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 25.

    High: 25 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 10.

    Low: 10 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 36.

    High: 36 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 28.

    Low: 28 °F

    Mostly Cloudy

Detailed Forecast

Overnight
A 20 percent chance of snow. Areas of freezing fog. Cloudy, with a low around 29. Calm wind.
Sunday
Snow before 10am, then snow likely, possibly mixed with rain between 10am and 4pm, then snow after 4pm. Areas of freezing fog before 7am. High near 36. Calm wind becoming northeast around 5 mph. Chance of precipitation is 100%. New snow accumulation of less than one inch possible.
Sunday Night
Snow, mainly before 1am. Low around 22. Light and variable wind. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.
M.L.King Day
Mostly sunny, with a high near 31. Wind chill values between 15 and 25. Southwest wind 5 to 15 mph, with gusts as high as 28 mph.
Monday Night
Partly cloudy, with a low around 15. West wind around 9 mph, with gusts as high as 24 mph.
Tuesday
Mostly sunny, with a high near 25.
Tuesday Night
Mostly clear, with a low around 10.
Wednesday
Mostly sunny, with a high near 36.
Wednesday Night
Mostly cloudy, with a low around 28.
Thursday
Partly sunny, with a high near 37.
Thursday Night
Mostly clear, with a low around 17.
Friday
Mostly sunny, with a high near 32.
Friday Night
Mostly cloudy, with a low around 23.
Saturday
A chance of rain and snow. Mostly cloudy, with a high near 35. Chance of precipitation is 30%.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles N South Lyme CT
 41.35°N 72.29°W (Elev. 98 ft)
1:04 am EST Jan 18, 2026
4am EST Jan 18, 2026-6pm EST Jan 24, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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