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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.

Mostly Cloudy

62°F

17°C

Humidity 52%
Wind Speed N 18 G 31 mph
Barometer 29.96 in (1014.4 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Last update 25 Sep 5:56 pm EDT
Extended Forecast for

Deep River CTSimilar City Names

Coastal Flood Advisory until September 27, 06:00pm
Wind Advisory September 25, 06:14pm until September 27, 06:00am
Click here for hazard details and duration
Coastal Flood Advisory
Wind Advisory
  •  
    Coastal Flood Advisory until September 27, 06:00pm
    Wind Advisory September 25, 06:14pm until September 27, 06:00am

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Tonight

    Low: 54 °F

    Rain and
    Breezy

  • Saturday

    Saturday: Rain. High near 63. Breezy, with a northeast wind around 24 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.

    High: 63 °F

    Rain and
    Breezy

  • Saturday Night

    Saturday Night: Rain. Low around 55. Breezy, with a northeast wind around 22 mph, with gusts as high as 41 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 55 °F

    Rain and
    Breezy

  • Sunday

    Sunday: Rain. High near 67. Breezy, with a northeast wind 18 to 22 mph, with gusts as high as 39 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 67 °F

    Rain and
    Breezy

  • Sunday Night

    Sunday Night: Rain. Low around 59. Northeast wind 11 to 14 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 59 °F

    Rain

  • Monday

    Monday: Rain. High near 68. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 68 °F

    Rain

  • Monday Night

    Monday Night: A 40 percent chance of showers before 2am. Cloudy, with a low around 57.

    Low: 57 °F

    Chance
    Showers

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 71.

    High: 71 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Rain. Low around 54. Breezy, with a northeast wind 17 to 21 mph, with gusts as high as 39 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
Rain. High near 63. Breezy, with a northeast wind around 24 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.
Saturday Night
Rain. Low around 55. Breezy, with a northeast wind around 22 mph, with gusts as high as 41 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Sunday
Rain. High near 67. Breezy, with a northeast wind 18 to 22 mph, with gusts as high as 39 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Sunday Night
Rain. Low around 59. Northeast wind 11 to 14 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Monday
Rain. High near 68. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Monday Night
A 40 percent chance of showers before 2am. Cloudy, with a low around 57.
Tuesday
Mostly cloudy, with a high near 71.
Tuesday Night
Mostly cloudy, with a low around 57.
Wednesday
Mostly sunny, with a high near 75.
Wednesday Night
Mostly cloudy, with a low around 58.
Thursday
Mostly sunny, with a high near 75.
Thursday Night
Partly cloudy, with a low around 59.
Friday
Mostly sunny, with a high near 76.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Deep River CTSimilar City Names
 41.39°N 72.43°W (Elev. 49 ft)
Last Update:
5:22 pm EDT Sep 25, 2026
Forecast Valid:
6pm EDT Sep 25, 2026-6pm EDT Oct 2, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation