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

62°F

17°C

Humidity 100%
Wind Speed Calm
Barometer 29.80 in (1009.2 mb)
Dewpoint 62°F (17°C)
Visibility 0.25 mi
Last update 7 Jun 5:56 am EDT
Extended Forecast for

East Lyme CT

  • Today

    Today: Showers likely and possibly a thunderstorm, mainly after 2pm. Areas of fog before 10am. Otherwise, cloudy, with a high near 72. Light and variable wind. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 72 °F

    Showers
    Likely and
    Areas Fog

  • Tonight

    Tonight: Showers likely and possibly a thunderstorm before 8pm, then a slight chance of showers between 8pm and 11pm. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 59. Calm wind. Chance of precipitation is 60%.

    Low: 59 °F

    Showers
    Likely then
    Patchy Fog

  • Sunday

    Sunday: Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 75. Northeast wind 5 to 8 mph becoming southeast in the afternoon.

    High: 75 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Sunday Night

    Sunday Night: A 30 percent chance of rain, mainly after 2am. Mostly cloudy, with a low around 57. East wind 3 to 6 mph.

    Low: 57 °F

    Chance Rain

  • Monday

    Monday: A 30 percent chance of rain before 8am. Mostly cloudy, with a high near 71. East wind 6 to 8 mph.

    High: 71 °F

    Chance Rain
    then Mostly
    Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 58.

    Low: 58 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Showers likely, mainly after 2pm. Cloudy, with a high near 71. Chance of precipitation is 70%.

    High: 71 °F

    Chance
    Showers then
    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers likely, mainly before 8pm. Mostly cloudy, with a low around 60. Chance of precipitation is 60%.

    Low: 60 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

Detailed Forecast

Today
Showers likely and possibly a thunderstorm, mainly after 2pm. Areas of fog before 10am. Otherwise, cloudy, with a high near 72. Light and variable wind. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers likely and possibly a thunderstorm before 8pm, then a slight chance of showers between 8pm and 11pm. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 59. Calm wind. Chance of precipitation is 60%.
Sunday
Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 75. Northeast wind 5 to 8 mph becoming southeast in the afternoon.
Sunday Night
A 30 percent chance of rain, mainly after 2am. Mostly cloudy, with a low around 57. East wind 3 to 6 mph.
Monday
A 30 percent chance of rain before 8am. Mostly cloudy, with a high near 71. East wind 6 to 8 mph.
Monday Night
Mostly cloudy, with a low around 58.
Tuesday
Showers likely, mainly after 2pm. Cloudy, with a high near 71. Chance of precipitation is 70%.
Tuesday Night
Showers likely, mainly before 8pm. Mostly cloudy, with a low around 60. Chance of precipitation is 60%.
Wednesday
Sunny, with a high near 80.
Wednesday Night
Mostly clear, with a low around 60.
Thursday
Sunny, with a high near 84.
Thursday Night
Partly cloudy, with a low around 63.
Friday
Mostly sunny, with a high near 83.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
East Lyme CT
 41.39°N 72.25°W (Elev. 197 ft)
Last Update:
5:21 am EDT Jun 7, 2025
Forecast Valid:
6am EDT Jun 7, 2025-6pm EDT Jun 13, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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