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.

Overcast

36°F

2°C

Humidity 89%
Wind Speed N 5 mph
Barometer 30.40 in (1029.5 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 6 Mar 10:56 pm EST
Extended Forecast for

3 Miles SSW Niantic CT

  • Tonight

    Tonight: Cloudy, with a low around 33. Light east wind.

    Low: 33 °F

    Cloudy

  • Saturday

    Saturday: Cloudy, with a high near 48. Calm wind becoming southwest 5 to 8 mph in the morning.

    High: 48 °F

    Cloudy

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms. Areas of dense fog after 1am. Otherwise, cloudy, with a low around 43. Southwest wind 7 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 50%.

    Low: 43 °F

    Chance
    Showers and
    Areas Dense
    Fog

  • Sunday

    Sunday: A 30 percent chance of showers before 1pm. Areas of fog before 1pm. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 56. Southwest wind 7 to 10 mph.

    High: 56 °F

    Chance
    Showers and
    Areas Fog

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 36. West wind 3 to 6 mph.

    Low: 36 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 54.

    High: 54 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 40.

    Low: 40 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 56.

    High: 56 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 41.

    Low: 41 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Cloudy, with a low around 33. Light east wind.
Saturday
Cloudy, with a high near 48. Calm wind becoming southwest 5 to 8 mph in the morning.
Saturday Night
A chance of showers and thunderstorms. Areas of dense fog after 1am. Otherwise, cloudy, with a low around 43. Southwest wind 7 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 50%.
Sunday
A 30 percent chance of showers before 1pm. Areas of fog before 1pm. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 56. Southwest wind 7 to 10 mph.
Sunday Night
Mostly clear, with a low around 36. West wind 3 to 6 mph.
Monday
Sunny, with a high near 54.
Monday Night
Partly cloudy, with a low around 40.
Tuesday
Mostly sunny, with a high near 56.
Tuesday Night
Mostly cloudy, with a low around 41.
Wednesday
A 50 percent chance of rain. Cloudy, with a high near 52.
Wednesday Night
Rain likely. Cloudy, with a low around 37. Chance of precipitation is 60%.
Thursday
A 40 percent chance of rain. Mostly cloudy, with a high near 46.
Thursday Night
Mostly cloudy, with a low around 30.
Friday
Mostly cloudy, with a high near 44.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSW Niantic CT
 41.29°N 72.21°W (Elev. 3 ft)
Last Update:
12:51 pm EST Mar 6, 2026
Forecast Valid:
11pm EST Mar 6, 2026-6pm EDT Mar 13, 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