Hazardous Weather Conditions

Current conditions at

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

Lat: 41.33°NLon: 72.05°WElev: 10ft.

Light Rain

36°F

2°C

Humidity 82%
Wind Speed E 13 mph
Barometer 29.88 in (1011.8 mb)
Dewpoint 31°F (-1°C)
Visibility 7.00 mi
Wind Chill27°F (-3°C)
Last update 20 Feb 10:56 am EST
Extended Forecast for

South Lyme CT

  • Today

    Today: Rain.  High near 39. East wind 8 to 10 mph, with gusts as high as 21 mph.  Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 39 °F

    Rain

  • Tonight

    Tonight: Rain likely, possibly mixing with snow after 1am, then gradually ending.  Mostly cloudy, with a low around 29. East wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 60%. Little or no snow accumulation expected.

    Low: 29 °F

    Rain Likely
    then Slight
    Chance
    Rain/Snow

  • Saturday

    Saturday: Mostly cloudy, with a high near 41. Calm wind becoming southeast around 5 mph.

    High: 41 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: A 20 percent chance of snow.  Mostly cloudy, with a low around 26. Calm wind.

    Low: 26 °F

    Slight Chance
    Snow

  • Sunday

    Sunday: A 40 percent chance of snow, mainly after 1pm.  Mostly cloudy, with a high near 38. East wind 5 to 10 mph, with gusts as high as 21 mph.

    High: 38 °F

    Chance Snow

  • Sunday Night

    Sunday Night: Snow likely.  Cloudy, with a low around 28. Chance of precipitation is 60%. New snow accumulation of 1 to 3 inches possible.

    Low: 28 °F

    Snow Likely

  • Monday

    Monday: A 40 percent chance of snow before 1pm.  Cloudy, with a high near 35.

    High: 35 °F

    Chance Snow

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 23.

    Low: 23 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 36.

    High: 36 °F

    Mostly Sunny

Detailed Forecast

Today
Rain. High near 39. East wind 8 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Tonight
Rain likely, possibly mixing with snow after 1am, then gradually ending. Mostly cloudy, with a low around 29. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. Little or no snow accumulation expected.
Saturday
Mostly cloudy, with a high near 41. Calm wind becoming southeast around 5 mph.
Saturday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 26. Calm wind.
Sunday
A 40 percent chance of snow, mainly after 1pm. Mostly cloudy, with a high near 38. East wind 5 to 10 mph, with gusts as high as 21 mph.
Sunday Night
Snow likely. Cloudy, with a low around 28. Chance of precipitation is 60%. New snow accumulation of 1 to 3 inches possible.
Monday
A 40 percent chance of snow before 1pm. Cloudy, with a high near 35.
Monday Night
Mostly cloudy, with a low around 23.
Tuesday
Mostly sunny, with a high near 36.
Tuesday Night
Partly cloudy, with a low around 19.
Wednesday
A 30 percent chance of rain. Mostly cloudy, with a high near 41.
Wednesday Night
Rain likely. Mostly cloudy, with a low around 33. Chance of precipitation is 60%.
Thursday
A 40 percent chance of rain. Mostly cloudy, with a high near 44.
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ABOUT THIS FORECAST

 
Point Forecast:
South Lyme CT
 41.32°N 72.29°W (Elev. 98 ft)
1:01 am EST Feb 20, 2026
11am EST Feb 20, 2026-6pm EST Feb 26, 2026
 
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Additional Resources

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