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

40°F

4°C

Humidity 100%
Wind Speed S 5 mph
Barometer 29.76 in (1007.8 mb)
Dewpoint 40°F (4°C)
Visibility 0.25 mi
Wind Chill36°F (2°C)
Last update 8 Mar 3:56 am EDT
Extended Forecast for

2 Miles S East Lyme CT

Dense Fog Advisory March 8, 04:54am until March 8, 09:00am
Click here for hazard details and duration
Dense Fog Advisory
  •  
    Dense Fog Advisory March 8, 04:54am until March 8, 09:00am

    NOW until 9:00am Sun

    Dense Fog Advisory

  • Overnight

    Low: 41 °F

    Chance
    Showers and
    Areas Dense
    Fog

  • Sunday

    Sunday: A 30 percent chance of showers, mainly before 11am. Areas of dense fog before 11am. Otherwise, cloudy, with a high near 57. Southwest wind around 8 mph.

    High: 57 °F

    Chance
    Showers and
    Areas Dense
    Fog

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 35. Light west wind.

    Low: 35 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 56. Calm wind becoming southwest 5 to 8 mph in the afternoon.

    High: 56 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 35. Light southwest wind.

    Low: 35 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 59.

    High: 59 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 40.

    Low: 40 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Cloudy, with a high near 55.

    High: 55 °F

    Cloudy

Detailed Forecast

Overnight
A 30 percent chance of showers. Areas of dense fog. Otherwise, cloudy, with a low around 41. Southwest wind around 8 mph.
Sunday
A 30 percent chance of showers, mainly before 11am. Areas of dense fog before 11am. Otherwise, cloudy, with a high near 57. Southwest wind around 8 mph.
Sunday Night
Partly cloudy, with a low around 35. Light west wind.
Monday
Sunny, with a high near 56. Calm wind becoming southwest 5 to 8 mph in the afternoon.
Monday Night
Mostly clear, with a low around 35. Light southwest wind.
Tuesday
Mostly sunny, with a high near 59.
Tuesday Night
Mostly cloudy, with a low around 40.
Wednesday
Cloudy, with a high near 55.
Wednesday Night
A 30 percent chance of showers after 2am. Cloudy, with a low around 45.
Thursday
Showers likely, mainly after 8am. Cloudy, with a high near 52. Chance of precipitation is 70%.
Thursday Night
Partly cloudy, with a low around 28.
Friday
Mostly sunny, with a high near 43.
Friday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 35.
Saturday
Mostly sunny, with a high near 49.
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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:
4:09 am EDT Mar 8, 2026
Forecast Valid:
4am EDT Mar 8, 2026-6pm EDT Mar 14, 2026
 
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