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.

Light Rain Fog/Mist

45°F

7°C

Humidity 97%
Wind Speed SW 6 mph
Barometer 30.07 in (1018.2 mb)
Dewpoint 44°F (7°C)
Visibility 3.00 mi
Wind Chill42°F (6°C)
Last update 30 Nov 5:56 pm EST
Extended Forecast for

2 Miles WSW Niantic CT

  • Tonight

    Tonight: Rain, mainly before 10pm. Low around 36. West wind 15 to 18 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 36 °F

    Rain then
    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 42. Northwest wind 10 to 16 mph.

    High: 42 °F

    Sunny

  • Monday Night

    Monday Night: Increasing clouds, with a low around 29. North wind around 5 mph becoming calm in the evening.

    Low: 29 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Rain and snow, becoming all rain after 10am. High near 46. East wind 5 to 14 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.

    High: 46 °F

    Rain/Snow
    then Rain

  • Tuesday Night

    Tuesday Night: Rain likely, mixing with snow after 10pm, then gradually ending. Cloudy during the early evening, then gradual clearing, with a low around 29. Northwest wind 15 to 18 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    Low: 29 °F

    Rain/Snow
    Likely

  • Wednesday

    Wednesday: Sunny, with a high near 39.

    High: 39 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 32.

    Low: 32 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 41. Breezy.

    High: 41 °F

    Partly Sunny
    then Partly
    Sunny and
    Breezy

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 18. Blustery.

    Low: 18 °F

    Partly Cloudy
    and Blustery
    then Mostly
    Clear

Detailed Forecast

Tonight
Rain, mainly before 10pm. Low around 36. West wind 15 to 18 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Sunny, with a high near 42. Northwest wind 10 to 16 mph.
Monday Night
Increasing clouds, with a low around 29. North wind around 5 mph becoming calm in the evening.
Tuesday
Rain and snow, becoming all rain after 10am. High near 46. East wind 5 to 14 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
Tuesday Night
Rain likely, mixing with snow after 10pm, then gradually ending. Cloudy during the early evening, then gradual clearing, with a low around 29. Northwest wind 15 to 18 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Wednesday
Sunny, with a high near 39.
Wednesday Night
Partly cloudy, with a low around 32.
Thursday
Partly sunny, with a high near 41. Breezy.
Thursday Night
Mostly clear, with a low around 18. Blustery.
Friday
Mostly sunny, with a high near 36.
Friday Night
A chance of rain and snow. Mostly cloudy, with a low around 27. Chance of precipitation is 40%.
Saturday
A 50 percent chance of rain. Mostly cloudy, with a high near 42.
Saturday Night
Mostly cloudy, with a low around 30.
Sunday
Partly sunny, with a high near 40.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WSW Niantic CT
 41.3°N 72.24°W (Elev. 0 ft)
Last Update:
5:44 pm EST Nov 30, 2025
Forecast Valid:
6pm EST Nov 30, 2025-6pm EST Dec 7, 2025
 
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