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.

Fog/Mist

49°F

9°C

Humidity 97%
Wind Speed SW 6 mph
Barometer 30.12 in (1019.9 mb)
Dewpoint 48°F (9°C)
Visibility 1.75 mi
Wind Chill46°F (8°C)
Last update 3 Apr 9:56 pm EDT
Extended Forecast for

2 Miles S East Lyme CT

  • Tonight

    Tonight: Patchy dense fog. Otherwise, mostly cloudy, with a low around 50. Southwest wind around 6 mph.

    Low: 50 °F

    Patchy Dense
    Fog

  • Saturday

    Saturday: A slight chance of showers between 2pm and 5pm. Areas of dense fog before 11am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 64. Light and variable wind becoming southeast 5 to 9 mph in the afternoon. Chance of precipitation is 20%.

    High: 64 °F

    Areas Dense
    Fog then
    Slight Chance
    Showers

  • Saturday Night

    Saturday Night: A 50 percent chance of showers after 8pm. Mostly cloudy, with a low around 40. East wind 6 to 9 mph, with gusts as high as 21 mph.

    Low: 40 °F

    Chance
    Showers

  • Sunday

    Sunday: Showers likely and possibly a thunderstorm, then showers after 2pm. High near 59. Southwest wind 8 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 59 °F

    Showers

  • Sunday Night

    Sunday Night: Showers, mainly before 8pm. Low around 39. Northwest wind around 6 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 39 °F

    Showers then
    Slight Chance
    Showers

  • Monday

    Monday: Sunny, with a high near 53.

    High: 53 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 36.

    Low: 36 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A chance of rain and snow showers before 2pm. Mostly sunny, with a high near 50. Chance of precipitation is 30%.

    High: 50 °F

    Chance
    Rain/Snow

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 28.

    Low: 28 °F

    Mostly Clear

Detailed Forecast

Tonight
Patchy dense fog. Otherwise, mostly cloudy, with a low around 50. Southwest wind around 6 mph.
Saturday
A slight chance of showers between 2pm and 5pm. Areas of dense fog before 11am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 64. Light and variable wind becoming southeast 5 to 9 mph in the afternoon. Chance of precipitation is 20%.
Saturday Night
A 50 percent chance of showers after 8pm. Mostly cloudy, with a low around 40. East wind 6 to 9 mph, with gusts as high as 21 mph.
Sunday
Showers likely and possibly a thunderstorm, then showers after 2pm. High near 59. Southwest wind 8 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Showers, mainly before 8pm. Low around 39. Northwest wind around 6 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Monday
Sunny, with a high near 53.
Monday Night
Partly cloudy, with a low around 36.
Tuesday
A chance of rain and snow showers before 2pm. Mostly sunny, with a high near 50. Chance of precipitation is 30%.
Tuesday Night
Mostly clear, with a low around 28.
Wednesday
Sunny, with a high near 47.
Wednesday Night
Mostly clear, with a low around 35.
Thursday
Sunny, with a high near 54.
Thursday Night
Partly cloudy, with a low around 42.
Friday
Mostly sunny, with a high near 61.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles S East Lyme CT
 41.34°N 72.26°W (Elev. 75 ft)
Last Update:
2:23 pm EDT Apr 3, 2026
Forecast Valid:
10pm EDT Apr 3, 2026-6pm EDT Apr 10, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation