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Hazardous Weather Conditions

Current conditions at

Groton / New London, Groton / New London Airport (KGON)

Lat: 41.33°NLon: 72.05°WElev: 10ft.

Fair

56°F

13°C

Humidity 67%
Wind Speed N 15 G 25 mph
Barometer 30.11 in (1019.7 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 25 Sep 8:56 am EDT
Extended Forecast for

2 Miles SSE East Lyme CT

Coastal Flood Advisory September 25, 06:00pm until September 27, 06:00pm
Wind Advisory September 25, 02:00pm until September 27, 06:00am
Click here for hazard details and duration
Coastal Flood Advisory
Wind Advisory

  • Today

    Today: A 40 percent chance of showers after 2pm. Cloudy, with a high near 67. Northeast wind 15 to 17 mph, with gusts as high as 30 mph.

    High: 67 °F

    Mostly Cloudy
    then Chance
    Showers

  • Tonight

    Tonight: Rain. Low around 53. Breezy, with a northeast wind 20 to 23 mph, with gusts as high as 46 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 53 °F

    Rain and
    Breezy

  • Saturday

    Saturday: Rain before 8am, then showers likely between 8am and 11am, then rain after 11am. High near 63. Windy, with a northeast wind 24 to 26 mph, with gusts as high as 47 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 63 °F

    Rain and
    Windy

  • Saturday Night

    Saturday Night: Rain. Low around 54. Breezy, with a north wind 21 to 25 mph, with gusts as high as 43 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 54 °F

    Rain and
    Breezy

  • Sunday

    Sunday: Rain, with thunderstorms also possible after 2pm. High near 66. Breezy, with a northeast wind 18 to 22 mph, with gusts as high as 44 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 66 °F

    Rain and
    Breezy

  • Sunday Night

    Sunday Night: Rain. Low around 57. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 57 °F

    Rain

  • Monday

    Monday: Rain likely before 2pm, then a chance of showers after 2pm. Mostly cloudy, with a high near 66. Chance of precipitation is 60%.

    High: 66 °F

    Rain Likely

  • Monday Night

    Monday Night: A 30 percent chance of showers before 8pm. Mostly cloudy, with a low around 54.

    Low: 54 °F

    Chance
    Showers then
    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 70.

    High: 70 °F

    Partly Sunny

Detailed Forecast

Today
A 40 percent chance of showers after 2pm. Cloudy, with a high near 67. Northeast wind 15 to 17 mph, with gusts as high as 30 mph.
Tonight
Rain. Low around 53. Breezy, with a northeast wind 20 to 23 mph, with gusts as high as 46 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Saturday
Rain before 8am, then showers likely between 8am and 11am, then rain after 11am. High near 63. Windy, with a northeast wind 24 to 26 mph, with gusts as high as 47 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Saturday Night
Rain. Low around 54. Breezy, with a north wind 21 to 25 mph, with gusts as high as 43 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Sunday
Rain, with thunderstorms also possible after 2pm. High near 66. Breezy, with a northeast wind 18 to 22 mph, with gusts as high as 44 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Sunday Night
Rain. Low around 57. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Monday
Rain likely before 2pm, then a chance of showers after 2pm. Mostly cloudy, with a high near 66. Chance of precipitation is 60%.
Monday Night
A 30 percent chance of showers before 8pm. Mostly cloudy, with a low around 54.
Tuesday
Partly sunny, with a high near 70.
Tuesday Night
Partly cloudy, with a low around 55.
Wednesday
Mostly sunny, with a high near 71.
Wednesday Night
Mostly cloudy, with a low around 56.
Thursday
Mostly sunny, with a high near 74.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSE East Lyme CT
 41.36°N 72.23°W (Elev. 98 ft)
Last Update:
2:36 am EDT Sep 25, 2026
Forecast Valid:
9am EDT Sep 25, 2026-6pm EDT Oct 1, 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