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

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

Lat: 41.33°NLon: 72.05°WElev: 10ft.

Mostly Cloudy

34°F

1°C

Humidity 54%
Wind Speed W 13 G 22 mph
Barometer 29.65 in (1003.8 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill25°F (-4°C)
Last update 11 Nov 8:56 am EST
Extended Forecast for

3 Miles ESE South Lyme CT

  • Veterans Day

    Veterans Day: A slight chance of rain and snow showers between 10am and 4pm. Mostly cloudy, with a high near 42. Breezy, with a west wind 17 to 21 mph, with gusts as high as 37 mph. Chance of precipitation is 20%.

    High: 42 °F

    Slight Chance
    Rain/Snow and
    Breezy

  • Tonight

    Tonight: Partly cloudy, with a steady temperature around 38. Breezy, with a west wind 16 to 21 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 32 mph.

    Low: 38 °F

    Partly Cloudy
    and Breezy
    then Partly
    Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 49. West wind 10 to 14 mph.

    High: 49 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 39. West wind 8 to 10 mph, with gusts as high as 20 mph.

    Low: 39 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 52. West wind 9 to 14 mph.

    High: 52 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 35.

    Low: 35 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 49.

    High: 49 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 30.

    Low: 30 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 46.

    High: 46 °F

    Sunny

Detailed Forecast

Veterans Day
A slight chance of rain and snow showers between 10am and 4pm. Mostly cloudy, with a high near 42. Breezy, with a west wind 17 to 21 mph, with gusts as high as 37 mph. Chance of precipitation is 20%.
Tonight
Partly cloudy, with a steady temperature around 38. Breezy, with a west wind 16 to 21 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 32 mph.
Wednesday
Mostly cloudy, with a high near 49. West wind 10 to 14 mph.
Wednesday Night
Mostly cloudy, with a low around 39. West wind 8 to 10 mph, with gusts as high as 20 mph.
Thursday
Mostly sunny, with a high near 52. West wind 9 to 14 mph.
Thursday Night
Mostly clear, with a low around 35.
Friday
Mostly sunny, with a high near 49.
Friday Night
Mostly clear, with a low around 30.
Saturday
Sunny, with a high near 46.
Saturday Night
A 30 percent chance of rain after 1am. Partly cloudy, with a low around 32.
Sunday
A 40 percent chance of rain. Partly sunny, with a high near 53.
Sunday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 39.
Monday
A 30 percent chance of rain. Partly sunny, with a high near 52.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ESE South Lyme CT
 41.3°N 72.27°W (Elev. 75 ft)
Last Update:
7:01 am EST Nov 11, 2025
Forecast Valid:
9am EST Nov 11, 2025-6pm EST Nov 17, 2025
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation