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.

Mostly Cloudy

61°F

16°C

Humidity 78%
Wind Speed SE 12 mph
Barometer 30.23 in (1023.5 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 11 Oct 2:56 pm EDT
Extended Forecast for

Niantic CT

Coastal Flood Watch October 12, 12:00pm until October 13, 08:00pm
Wind Advisory October 12, 12:00pm until October 13, 06:00pm
Click here for hazard details and duration
Coastal Flood Watch
Wind Advisory

  • Tonight

    Tonight: Mostly cloudy, with a low around 54. Northeast wind 6 to 10 mph, with gusts as high as 22 mph.

    Low: 54 °F

    Mostly Cloudy

  • Sunday

    Sunday: Rain, mainly after noon. High near 63. Windy, with a northeast wind 22 to 26 mph, with gusts as high as 40 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 63 °F

    Chance Rain
    and Breezy
    then Rain and
    Windy

  • Sunday Night

    Sunday Night: Rain. Low around 54. Windy, with a northeast wind 29 to 36 mph, with gusts as high as 55 mph. Chance of precipitation is 90%. New precipitation amounts between three quarters and one inch possible.

    Low: 54 °F

    Rain and
    Windy

  • Columbus Day

    Columbus Day: Rain, with thunderstorms also possible after 2pm. High near 62. Windy, with a northeast wind 28 to 32 mph, with gusts as high as 50 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 62 °F

    Rain and
    Windy

  • Monday Night

    Monday Night: Rain and possibly a thunderstorm. Low around 52. Breezy, with a northeast wind around 23 mph, with gusts as high as 37 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 52 °F

    Rain and
    Breezy

  • Tuesday

    Tuesday: A 40 percent chance of showers. Mostly cloudy, with a high near 63. Breezy.

    High: 63 °F

    Chance
    Showers and
    Breezy

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 50.

    Low: 50 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 65.

    High: 65 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 41.

    Low: 41 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 54. Northeast wind 6 to 10 mph, with gusts as high as 22 mph.
Sunday
Rain, mainly after noon. High near 63. Windy, with a northeast wind 22 to 26 mph, with gusts as high as 40 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
Rain. Low around 54. Windy, with a northeast wind 29 to 36 mph, with gusts as high as 55 mph. Chance of precipitation is 90%. New precipitation amounts between three quarters and one inch possible.
Columbus Day
Rain, with thunderstorms also possible after 2pm. High near 62. Windy, with a northeast wind 28 to 32 mph, with gusts as high as 50 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Monday Night
Rain and possibly a thunderstorm. Low around 52. Breezy, with a northeast wind around 23 mph, with gusts as high as 37 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday
A 40 percent chance of showers. Mostly cloudy, with a high near 63. Breezy.
Tuesday Night
Partly cloudy, with a low around 50.
Wednesday
Mostly sunny, with a high near 65.
Wednesday Night
Partly cloudy, with a low around 41.
Thursday
Mostly sunny, with a high near 56.
Thursday Night
Partly cloudy, with a low around 40.
Friday
Sunny, with a high near 60.
Friday Night
Mostly clear, with a low around 43.
Saturday
Sunny, with a high near 63.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Niantic CT
 41.31°N 72.21°W (Elev. 30 ft)
Last Update:
3:13 pm EDT Oct 11, 2025
Forecast Valid:
3pm EDT Oct 11, 2025-6pm EDT Oct 18, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation