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.

Fog

64°F

18°C

Humidity 100%
Wind Speed S 3 mph
Barometer 29.87 in (1011.3 mb)
Dewpoint 64°F (18°C)
Visibility 0.25 mi
Last update 18 Jun 11:56 pm EDT
Extended Forecast for

East Lyme CT

  • Overnight

    Overnight: A 20 percent chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 66. Calm wind.

    Low: 66 °F

    Slight Chance
    T-storms

  • Juneteenth

    Juneteenth: Partly sunny, with a high near 86. Light southwest wind increasing to 5 to 10 mph in the morning.

    High: 86 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms, mainly between 8pm and 2am. Mostly cloudy, with a low around 67. Southwest wind 8 to 11 mph.

    Low: 67 °F

    Chance
    T-storms then
    Chance
    Showers

  • Friday

    Friday: Sunny, with a high near 83. West wind around 11 mph.

    High: 83 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 62. West wind around 6 mph becoming calm in the evening.

    Low: 62 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 85.

    High: 85 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 66.

    Low: 66 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 84.

    High: 84 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 67.

    Low: 67 °F

    Partly Cloudy

Detailed Forecast

Overnight
A 20 percent chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 66. Calm wind.
Juneteenth
Partly sunny, with a high near 86. Light southwest wind increasing to 5 to 10 mph in the morning.
Thursday Night
A 30 percent chance of showers and thunderstorms, mainly between 8pm and 2am. Mostly cloudy, with a low around 67. Southwest wind 8 to 11 mph.
Friday
Sunny, with a high near 83. West wind around 11 mph.
Friday Night
Mostly clear, with a low around 62. West wind around 6 mph becoming calm in the evening.
Saturday
Mostly sunny, with a high near 85.
Saturday Night
Mostly cloudy, with a low around 66.
Sunday
Partly sunny, with a high near 84.
Sunday Night
Partly cloudy, with a low around 67.
Monday
Mostly sunny, with a high near 89.
Monday Night
Partly cloudy, with a low around 70.
Tuesday
Sunny, with a high near 94.
Tuesday Night
Mostly clear, with a low around 72.
Wednesday
Sunny, with a high near 90.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
East Lyme CT
 41.39°N 72.25°W (Elev. 197 ft)
Last Update:
7:33 pm EDT Jun 18, 2025
Forecast Valid:
12am EDT Jun 19, 2025-6pm EDT Jun 25, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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