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.

Mostly Cloudy

73°F

23°C

Humidity 87%
Wind Speed S 7 mph
Barometer 30.07 in (1018.3 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Last update 9 Sep 5:56 pm EDT
Extended Forecast for

3 Miles SSW Niantic CT

  • Tonight

    Tonight: Mostly cloudy, with a steady temperature around 74. Southwest wind 14 to 18 mph.

    Low: 74 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 20 percent chance of showers before 11am. Mostly cloudy, then gradually becoming sunny, with a high near 84. West wind around 15 mph.

    High: 84 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Thursday Night

    Thursday Night: Increasing clouds, with a low around 62. Northwest wind 3 to 5 mph.

    Low: 62 °F

    Increasing
    Clouds

  • Friday

    Friday: Mostly cloudy through mid morning, then gradual clearing, with a high near 75. Northwest wind around 6 mph.

    High: 75 °F

    Becoming
    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 56. Light north wind.

    Low: 56 °F

    Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 72.

    High: 72 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 40 percent chance of showers after 2am. Mostly cloudy, with a low around 64.

    Low: 64 °F

    Partly Cloudy
    then Chance
    Showers

  • Sunday

    Sunday: A 50 percent chance of showers. Mostly cloudy, with a high near 75.

    High: 75 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 65.

    Low: 65 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a steady temperature around 74. Southwest wind 14 to 18 mph.
Thursday
A 20 percent chance of showers before 11am. Mostly cloudy, then gradually becoming sunny, with a high near 84. West wind around 15 mph.
Thursday Night
Increasing clouds, with a low around 62. Northwest wind 3 to 5 mph.
Friday
Mostly cloudy through mid morning, then gradual clearing, with a high near 75. Northwest wind around 6 mph.
Friday Night
Clear, with a low around 56. Light north wind.
Saturday
Mostly sunny, with a high near 72.
Saturday Night
A 40 percent chance of showers after 2am. Mostly cloudy, with a low around 64.
Sunday
A 50 percent chance of showers. Mostly cloudy, with a high near 75.
Sunday Night
Mostly cloudy, with a low around 65.
Monday
Mostly sunny, with a high near 78.
Monday Night
Partly cloudy, with a low around 62.
Tuesday
Mostly sunny, with a high near 75.
Tuesday Night
Partly cloudy, with a low around 66.
Wednesday
Mostly sunny, with a high near 80.
Basemap Options
Click map to change the forecast location
Loading map...
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:
2:02 pm EDT Sep 9, 2026
Forecast Valid:
6pm EDT Sep 9, 2026-6pm EDT Sep 16, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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