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

Hazardous Weather Conditions

Current conditions at

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

Lat: 41.33°NLon: 72.05°WElev: 10ft.

Fair

23°F

-5°C

Humidity 74%
Wind Speed Calm
Barometer 30.18 in (1021.9 mb)
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Last update 28 Dec 9:56 am EST
Extended Forecast for

2 Miles N South Lyme CT

  • Today

    Today: Partly sunny, with a high near 38. Wind chill values between 25 and 30. Light and variable wind becoming west 5 to 7 mph in the afternoon.

    High: 38 °F

    Partly Sunny

  • Tonight

    Tonight: Rain, mainly before 4am. Temperature rising to around 43 by 4am. Light southwest wind becoming south 5 to 10 mph in the evening. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 32 °F⇑

    Rain

  • Monday

    Monday: Rain, mainly after 7am. High near 51. Southwest wind 9 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 51 °F

    Rain

  • Monday Night

    Monday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 23. Wind chill values between 15 and 20. West wind 11 to 14 mph, with gusts as high as 31 mph.

    Low: 23 °F

    Decreasing
    Clouds

  • Tuesday

    Tuesday: Partly sunny, with a high near 32. West wind 14 to 17 mph, with gusts as high as 34 mph.

    High: 32 °F

    Partly Sunny

  • Tuesday Night

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

    Low: 23 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 35.

    High: 35 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 22.

    Low: 22 °F

    Mostly Cloudy

  • New Year's Day

    New Year's Day: A 30 percent chance of snow after 1pm. Partly sunny, with a high near 32.

    High: 32 °F

    Partly Sunny
    then Chance
    Snow

Detailed Forecast

Today
Partly sunny, with a high near 38. Wind chill values between 25 and 30. Light and variable wind becoming west 5 to 7 mph in the afternoon.
Tonight
Rain, mainly before 4am. Temperature rising to around 43 by 4am. Light southwest wind becoming south 5 to 10 mph in the evening. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Rain, mainly after 7am. High near 51. Southwest wind 9 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. 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 23. Wind chill values between 15 and 20. West wind 11 to 14 mph, with gusts as high as 31 mph.
Tuesday
Partly sunny, with a high near 32. West wind 14 to 17 mph, with gusts as high as 34 mph.
Tuesday Night
Mostly cloudy, with a low around 23.
Wednesday
Partly sunny, with a high near 35.
Wednesday Night
Mostly cloudy, with a low around 22.
New Year's Day
A 30 percent chance of snow after 1pm. Partly sunny, with a high near 32.
Thursday Night
Mostly cloudy, with a low around 18.
Friday
Mostly sunny, with a high near 30.
Friday Night
Mostly clear, with a low around 17.
Saturday
Mostly sunny, with a high near 35.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles N South Lyme CT
 41.35°N 72.29°W (Elev. 98 ft)
Last Update:
9:53 am EST Dec 28, 2025
Forecast Valid:
10am EST Dec 28, 2025-6pm EST Jan 3, 2026
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation