Current conditions at

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

Lat: 41.33°NLon: 72.05°WElev: 10ft.

Light Rain Fog/Mist and Breezy

43°F

6°C

Humidity 93%
Wind Speed E 21 G 32 mph
Barometer 29.99 in (1015.4 mb)
Dewpoint 41°F (5°C)
Visibility 6.00 mi
Wind Chill34°F (1°C)
Last update 16 Mar 4:56 am EDT
Extended Forecast for

2 Miles SSE South Lyme CT

Flood Watch until March 17, 08:00am
Wind Advisory March 16, 02:00pm until March 17, 04:00am
Click here for hazard details and duration
Flood Watch
Wind Advisory
  •  
    Flood Watch until March 17, 08:00am

    NOW until 8:00am Tue

    Flood Watch

  • Overnight

    Low: 44 °F

    Showers and
    Areas Fog

  • Monday

    Monday: Showers and possibly a thunderstorm.  Areas of fog. High near 56. Breezy, with a south wind 18 to 21 mph, with gusts as high as 34 mph.  Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 56 °F

    Showers and
    Areas Fog

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm before 2am, then showers likely.  Areas of fog before 2am. Low around 36. Windy, with a south wind 22 to 26 mph, with gusts as high as 50 mph.  Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 36 °F

    Showers and
    Areas Fog

  • Tuesday

    Tuesday: Sunny, with a steady temperature around 39. West wind 14 to 16 mph, with gusts as high as 28 mph.

    High: 39 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 25. West wind 9 to 11 mph, with gusts as high as 22 mph.

    Low: 25 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 38.

    High: 38 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 29.

    Low: 29 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 42.

    High: 42 °F

    Mostly Sunny

Detailed Forecast

Overnight
Showers and possibly a thunderstorm. Areas of fog. Steady temperature around 44. Southeast wind around 17 mph, with gusts as high as 31 mph. Chance of precipitation is 90%.
Monday
Showers and possibly a thunderstorm. Areas of fog. High near 56. Breezy, with a south wind 18 to 21 mph, with gusts as high as 34 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Monday Night
Showers and possibly a thunderstorm before 2am, then showers likely. Areas of fog before 2am. Low around 36. Windy, with a south wind 22 to 26 mph, with gusts as high as 50 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday
Sunny, with a steady temperature around 39. West wind 14 to 16 mph, with gusts as high as 28 mph.
Tuesday Night
Partly cloudy, with a low around 25. West wind 9 to 11 mph, with gusts as high as 22 mph.
Wednesday
Mostly sunny, with a high near 38.
Wednesday Night
Mostly cloudy, with a low around 29.
Thursday
Mostly sunny, with a high near 42.
Thursday Night
Partly cloudy, with a low around 33.
Friday
Mostly sunny, with a high near 49.
Friday Night
Mostly cloudy, with a low around 32.
Saturday
A chance of rain and snow. Mostly cloudy, with a high near 46. Chance of precipitation is 40%.
Saturday Night
A chance of rain and snow. Mostly cloudy, with a low around 33. Chance of precipitation is 30%.
Sunday
A chance of rain and snow. Partly sunny, with a high near 44. Chance of precipitation is 30%.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSE South Lyme CT
 41.28°N 72.3°W (Elev. 0 ft)
2:29 am EDT Mar 16, 2026
5am EDT Mar 16, 2026-6pm EDT Mar 22, 2026
 
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Additional Resources

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