National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

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

Lat: 41.33°NLon: 72.05°WElev: 10ft.

Fair

41°F

5°C

Humidity 43%
Wind Speed W 15 G 25 mph
Barometer 29.82 in (1009.9 mb)
Dewpoint 20°F (-7°C)
Visibility 10.00 mi
Wind Chill33°F (1°C)
Last update 28 Nov 10:56 am EST
Extended Forecast for

Niantic CT

  • Today

    Today: Mostly sunny, with a high near 44. Breezy, with a west wind 17 to 20 mph, with gusts as high as 36 mph.

    High: 44 °F

    Mostly Sunny
    and Breezy

  • Tonight

    Tonight: Mostly clear, with a low around 31. Wind chill values between 25 and 30. West wind 9 to 16 mph, with gusts as high as 34 mph.

    Low: 31 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 44. Wind chill values between 25 and 35. West wind 6 to 10 mph, with gusts as high as 20 mph.

    High: 44 °F

    Sunny

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 30. Calm wind.

    Low: 30 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Showers, mainly after 1pm. High near 53. South wind 6 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 53 °F

    Slight Chance
    Showers then
    Showers

  • Sunday Night

    Sunday Night: Showers likely before 1am. Cloudy, then gradually becoming partly cloudy, with a low around 33. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 33 °F

    Showers
    Likely

  • Monday

    Monday: Mostly sunny, with a high near 43.

    High: 43 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 27.

    Low: 27 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Rain likely, mainly after 1pm. Cloudy, with a high near 44. Chance of precipitation is 60%.

    High: 44 °F

    Chance Rain
    then Rain
    Likely

Detailed Forecast

Today
Mostly sunny, with a high near 44. Breezy, with a west wind 17 to 20 mph, with gusts as high as 36 mph.
Tonight
Mostly clear, with a low around 31. Wind chill values between 25 and 30. West wind 9 to 16 mph, with gusts as high as 34 mph.
Saturday
Sunny, with a high near 44. Wind chill values between 25 and 35. West wind 6 to 10 mph, with gusts as high as 20 mph.
Saturday Night
Increasing clouds, with a low around 30. Calm wind.
Sunday
Showers, mainly after 1pm. High near 53. South wind 6 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
Showers likely before 1am. Cloudy, then gradually becoming partly cloudy, with a low around 33. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Mostly sunny, with a high near 43.
Monday Night
Mostly cloudy, with a low around 27.
Tuesday
Rain likely, mainly after 1pm. Cloudy, with a high near 44. Chance of precipitation is 60%.
Tuesday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 28.
Wednesday
Mostly sunny, with a high near 41.
Wednesday Night
Partly cloudy, with a low around 28.
Thursday
Mostly cloudy, with a high near 43.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Niantic CT
 41.31°N 72.21°W (Elev. 30 ft)
Last Update:
1:12 am EST Nov 28, 2025
Forecast Valid:
11am EST Nov 28, 2025-6pm EST Dec 4, 2025
 
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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