Current conditions at

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

Lat: 41.33°NLon: 72.05°WElev: 10ft.

Overcast

36°F

2°C

Humidity 76%
Wind Speed Calm
Barometer 30.10 in (1019.3 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Last update 19 Feb 5:56 pm EST
Extended Forecast for

3 Miles SE Old Lyme CT

  • Tonight

    Tonight: Mostly cloudy, with a low around 31. East wind 3 to 6 mph.

    Low: 31 °F

    Mostly Cloudy

  • Friday

    Friday: A slight chance of snow before 8am, then rain.  High near 38. East wind 6 to 13 mph.  Chance of precipitation is 100%. Little or no snow accumulation expected.

    High: 38 °F

    Rain/Snow
    then Rain

  • Friday Night

    Friday Night: Rain likely before 4am, then a chance of rain and snow.  Cloudy, with a low around 30. Northeast wind 5 to 8 mph becoming light and variable  after midnight.  Chance of precipitation is 70%. Little or no snow accumulation expected.

    Low: 30 °F

    Rain Likely
    then Chance
    Rain/Snow

  • Saturday

    Saturday: A slight chance of rain and snow before noon, then a chance of rain between noon and 4pm, then a chance of rain and snow after 4pm.  Mostly cloudy, with a high near 40. Light and variable wind becoming northeast around 6 mph in the morning.  Chance of precipitation is 30%.

    High: 40 °F

    Chance
    Rain/Snow

  • Saturday Night

    Saturday Night: A 30 percent chance of snow, mainly before 1am.  Mostly cloudy, with a low around 28. East wind around 6 mph.

    Low: 28 °F

    Chance Snow

  • Sunday

    Sunday: A 40 percent chance of snow after 1pm.  Mostly cloudy, with a high near 36.

    High: 36 °F

    Mostly Cloudy
    then Chance
    Snow

  • Sunday Night

    Sunday Night: Snow likely.  Cloudy, with a low around 29. Blustery.  Chance of precipitation is 60%.

    Low: 29 °F

    Snow Likely
    and Blustery

  • Monday

    Monday: A 50 percent chance of snow.  Mostly cloudy, with a high near 34. Breezy.

    High: 34 °F

    Chance Snow
    and Breezy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 24.

    Low: 24 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 31. East wind 3 to 6 mph.
Friday
A slight chance of snow before 8am, then rain. High near 38. East wind 6 to 13 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
Friday Night
Rain likely before 4am, then a chance of rain and snow. Cloudy, with a low around 30. Northeast wind 5 to 8 mph becoming light and variable after midnight. Chance of precipitation is 70%. Little or no snow accumulation expected.
Saturday
A slight chance of rain and snow before noon, then a chance of rain between noon and 4pm, then a chance of rain and snow after 4pm. Mostly cloudy, with a high near 40. Light and variable wind becoming northeast around 6 mph in the morning. Chance of precipitation is 30%.
Saturday Night
A 30 percent chance of snow, mainly before 1am. Mostly cloudy, with a low around 28. East wind around 6 mph.
Sunday
A 40 percent chance of snow after 1pm. Mostly cloudy, with a high near 36.
Sunday Night
Snow likely. Cloudy, with a low around 29. Blustery. Chance of precipitation is 60%.
Monday
A 50 percent chance of snow. Mostly cloudy, with a high near 34. Breezy.
Monday Night
Mostly cloudy, with a low around 24.
Tuesday
Mostly sunny, with a high near 36.
Tuesday Night
Partly cloudy, with a low around 20.
Wednesday
A 30 percent chance of rain. Mostly cloudy, with a high near 41.
Wednesday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 34.
Thursday
A 40 percent chance of rain. Mostly cloudy, with a high near 44.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SE Old Lyme CT
 41.28°N 72.3°W (Elev. 0 ft)
3:51 pm EST Feb 19, 2026
6pm EST Feb 19, 2026-6pm EST Feb 26, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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