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.

Fair

74°F

23°C

Humidity 64%
Wind Speed W 7 mph
Barometer 29.56 in (1000.8 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 19 Jun 12:56 am EDT
Extended Forecast for

3 Miles N East Lyme CT

  • Overnight

    Overnight: Partly cloudy, with a low around 65. West wind around 10 mph, with gusts as high as 20 mph.

    Low: 65 °F

    Partly Cloudy

  • Juneteenth

    Juneteenth: Mostly sunny, with a high near 81. West wind 7 to 16 mph, with gusts as high as 28 mph.

    High: 81 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Clear, with a low around 61. West wind 7 to 10 mph, with gusts as high as 20 mph.

    Low: 61 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 80. Northwest wind 15 to 18 mph, with gusts as high as 30 mph.

    High: 80 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 60. West wind 3 to 8 mph.

    Low: 60 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 60.

    Low: 60 °F

    Partly Cloudy

  • Monday

    Monday: Showers likely, mainly after 2pm. Partly sunny, with a high near 76. Chance of precipitation is 70%.

    High: 76 °F

    Chance
    Showers then
    Showers
    Likely

  • Monday Night

    Monday Night: Showers. Low around 61. Chance of precipitation is 80%.

    Low: 61 °F

    Showers

Detailed Forecast

Overnight
Partly cloudy, with a low around 65. West wind around 10 mph, with gusts as high as 20 mph.
Juneteenth
Mostly sunny, with a high near 81. West wind 7 to 16 mph, with gusts as high as 28 mph.
Friday Night
Clear, with a low around 61. West wind 7 to 10 mph, with gusts as high as 20 mph.
Saturday
Sunny, with a high near 80. Northwest wind 15 to 18 mph, with gusts as high as 30 mph.
Saturday Night
Mostly clear, with a low around 60. West wind 3 to 8 mph.
Sunday
Sunny, with a high near 80.
Sunday Night
Partly cloudy, with a low around 60.
Monday
Showers likely, mainly after 2pm. Partly sunny, with a high near 76. Chance of precipitation is 70%.
Monday Night
Showers. Low around 61. Chance of precipitation is 80%.
Tuesday
Showers likely, mainly before 8am. Partly sunny, with a high near 81. Chance of precipitation is 60%.
Tuesday Night
Partly cloudy, with a low around 61.
Wednesday
Sunny, with a high near 82.
Wednesday Night
Mostly clear, with a low around 61.
Thursday
Mostly sunny, with a high near 80.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles N East Lyme CT
 41.43°N 72.24°W (Elev. 400 ft)
Last Update:
4:34 pm EDT Jun 18, 2026
Forecast Valid:
1am EDT Jun 19, 2026-6pm EDT Jun 25, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation