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Hazardous Weather Conditions

Current conditions at

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

Lat: 41.33°NLon: 72.05°WElev: 10ft.

Fair

35°F

2°C

Humidity 59%
Wind Speed N 14 mph
Barometer 30.11 in (1019.4 mb)
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Wind Chill26°F (-3°C)
Last update 15 Feb 9:56 am EST
Extended Forecast for

3 Miles SE South Lyme CT

  • Today

    Today: Mostly sunny, with a high near 37. North wind 5 to 7 mph becoming east in the afternoon.

    High: 37 °F

    Mostly Sunny

  • Tonight

    Tonight: A 50 percent chance of snow, mainly after 1am. Cloudy, with a low around 29. Wind chill values between 20 and 25. East wind around 8 mph.

    Low: 29 °F

    Slight Chance
    Snow then
    Chance Snow

  • Washington's Birthday

    Washington's Birthday: Cloudy, then gradually becoming mostly sunny, with a high near 38. Wind chill values between 20 and 30. Northeast wind 6 to 8 mph.

    High: 38 °F

    Decreasing
    Clouds

  • Monday Night

    Monday Night: A slight chance of rain and snow showers after 1am. Mostly cloudy, with a low around 30. Light and variable wind. Chance of precipitation is 20%.

    Low: 30 °F

    Partly Cloudy
    then Slight
    Chance
    Rain/Snow

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 40. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 40 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 31.

    Low: 31 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Rain likely after 1pm. Mostly cloudy, with a high near 40. Chance of precipitation is 60%.

    High: 40 °F

    Mostly Cloudy
    then Rain
    Likely

  • Wednesday Night

    Wednesday Night: Rain before 1am, then a chance of rain and snow. Low around 34. Chance of precipitation is 80%.

    Low: 34 °F

    Rain then
    Rain/Snow

  • Thursday

    Thursday: Mostly cloudy, with a high near 40.

    High: 40 °F

    Mostly Cloudy

Detailed Forecast

Today
Mostly sunny, with a high near 37. North wind 5 to 7 mph becoming east in the afternoon.
Tonight
A 50 percent chance of snow, mainly after 1am. Cloudy, with a low around 29. Wind chill values between 20 and 25. East wind around 8 mph.
Washington's Birthday
Cloudy, then gradually becoming mostly sunny, with a high near 38. Wind chill values between 20 and 30. Northeast wind 6 to 8 mph.
Monday Night
A slight chance of rain and snow showers after 1am. Mostly cloudy, with a low around 30. Light and variable wind. Chance of precipitation is 20%.
Tuesday
Mostly cloudy, with a high near 40. Calm wind becoming southwest around 6 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 31.
Wednesday
Rain likely after 1pm. Mostly cloudy, with a high near 40. Chance of precipitation is 60%.
Wednesday Night
Rain before 1am, then a chance of rain and snow. Low around 34. Chance of precipitation is 80%.
Thursday
Mostly cloudy, with a high near 40.
Thursday Night
Mostly cloudy, with a low around 32.
Friday
Rain likely. Mostly cloudy, with a high near 41. Chance of precipitation is 60%.
Friday Night
A chance of rain and snow. Mostly cloudy, with a low around 33. Chance of precipitation is 50%.
Saturday
A chance of rain and snow. Mostly cloudy, with a high near 40. Chance of precipitation is 40%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SE South Lyme CT
 41.3°N 72.24°W (Elev. 0 ft)
Last Update:
1:46 am EST Feb 15, 2026
Forecast Valid:
10am EST Feb 15, 2026-6pm EST Feb 21, 2026
 
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Additional Resources

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Chance of Precipitation