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.

Fair

55°F

13°C

Humidity 57%
Wind Speed NE 13 mph
Barometer 30.29 in (1025.8 mb)
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Wind Chill51°F (11°C)
Last update 24 Sep 7:56 pm EDT
Extended Forecast for

2 Miles ENE Fishers Island NY

Coastal Flood Watch September 25, 08:00pm until September 26, 02:00pm
Wind Advisory September 25, 02:00pm until September 27, 06:00am
Click here for hazard details and duration
Coastal Flood Watch
Wind Advisory

  • Tonight

    Tonight: Mostly cloudy, with a low around 58. Breezy, with a northeast wind 21 to 24 mph.

    Low: 58 °F

    Mostly Cloudy
    and Breezy

  • Friday

    Friday: A 50 percent chance of rain, mainly after 2pm. Mostly cloudy, with a high near 63. Windy, with a northeast wind 26 to 32 mph, with gusts as high as 50 mph.

    High: 63 °F

    Windy. Slight
    Chance Rain
    then Chance
    Rain

  • Friday Night

    Friday Night: Rain likely. Cloudy, with a low around 59. Windy, with a north wind 33 to 36 mph, with gusts as high as 55 mph. Chance of precipitation is 60%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 59 °F

    Rain Likely
    and Windy

  • Saturday

    Saturday: Rain. High near 63. Windy, with a north wind 32 to 34 mph, with gusts as high as 50 mph. Chance of precipitation is 90%. New precipitation amounts between three quarters and one inch possible.

    High: 63 °F

    Rain and
    Windy

  • Saturday Night

    Saturday Night: Rain. Low around 61. Windy, with a north wind 30 to 32 mph, with gusts as high as 44 mph. Chance of precipitation is 90%. New precipitation amounts between three quarters and one inch possible.

    Low: 61 °F

    Rain and
    Windy

  • Sunday

    Sunday: Rain. High near 64. Windy. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 64 °F

    Rain and
    Windy

  • Sunday Night

    Sunday Night: Rain before 8pm, then showers, mainly after 8pm. Low around 62. Breezy. Chance of precipitation is 80%.

    Low: 62 °F

    Rain and
    Breezy

  • Monday

    Monday: Showers likely, mainly before 8am. Mostly cloudy, with a high near 65. Breezy. Chance of precipitation is 60%.

    High: 65 °F

    Showers
    Likely and
    Breezy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 61.

    Low: 61 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 58. Breezy, with a northeast wind 21 to 24 mph.
Friday
A 50 percent chance of rain, mainly after 2pm. Mostly cloudy, with a high near 63. Windy, with a northeast wind 26 to 32 mph, with gusts as high as 50 mph.
Friday Night
Rain likely. Cloudy, with a low around 59. Windy, with a north wind 33 to 36 mph, with gusts as high as 55 mph. Chance of precipitation is 60%. New precipitation amounts between a half and three quarters of an inch possible.
Saturday
Rain. High near 63. Windy, with a north wind 32 to 34 mph, with gusts as high as 50 mph. Chance of precipitation is 90%. New precipitation amounts between three quarters and one inch possible.
Saturday Night
Rain. Low around 61. Windy, with a north wind 30 to 32 mph, with gusts as high as 44 mph. Chance of precipitation is 90%. New precipitation amounts between three quarters and one inch possible.
Sunday
Rain. High near 64. Windy. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Sunday Night
Rain before 8pm, then showers, mainly after 8pm. Low around 62. Breezy. Chance of precipitation is 80%.
Monday
Showers likely, mainly before 8am. Mostly cloudy, with a high near 65. Breezy. Chance of precipitation is 60%.
Monday Night
Mostly cloudy, with a low around 61.
Tuesday
Partly sunny, with a high near 67.
Tuesday Night
Partly cloudy, with a low around 60.
Wednesday
Mostly sunny, with a high near 68.
Wednesday Night
Partly cloudy, with a low around 63.
Thursday
Partly sunny, with a high near 69.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ENE Fishers Island NY
 41.28°N 71.95°W (Elev. 3 ft)
Last Update:
4:47 pm EDT Sep 24, 2026
Forecast Valid:
8pm EDT Sep 24, 2026-6pm EDT Oct 1, 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