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

24°F

-4°C

Humidity 40%
Wind Speed NW 9 mph
Barometer 30.13 in (1020.4 mb)
Dewpoint 3°F (-16°C)
Visibility 10.00 mi
Wind Chill14°F (-10°C)
Last update 9 Feb 11:56 pm EST
Extended Forecast for

Niantic CT

  • Overnight

    Overnight: Partly cloudy, with a steady temperature around 18. Light northwest wind.

    Low: 18 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of snow after 1pm. Mostly cloudy, with a high near 35. Wind chill values between 15 and 25. Calm wind becoming southwest around 6 mph.

    High: 35 °F

    Partly Sunny
    then Chance
    Snow

  • Tuesday Night

    Tuesday Night: Rain and snow likely before 1am, then a chance of rain between 1am and 4am, then a chance of snow after 4am. Cloudy, then gradually becoming partly cloudy, with a low around 27. Light and variable wind. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 27 °F

    Rain/Snow
    Likely

  • Wednesday

    Wednesday: A 30 percent chance of snow before 7am. Mostly sunny, with a high near 38. Wind chill values between 25 and 30. West wind 5 to 11 mph, with gusts as high as 22 mph.

    High: 38 °F

    Chance Snow
    then Partly
    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 21. Northwest wind around 8 mph, with gusts as high as 21 mph.

    Low: 21 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 34.

    High: 34 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 17.

    Low: 17 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 34.

    High: 34 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 18.

    Low: 18 °F

    Partly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a steady temperature around 18. Light northwest wind.
Tuesday
A 30 percent chance of snow after 1pm. Mostly cloudy, with a high near 35. Wind chill values between 15 and 25. Calm wind becoming southwest around 6 mph.
Tuesday Night
Rain and snow likely before 1am, then a chance of rain between 1am and 4am, then a chance of snow after 4am. Cloudy, then gradually becoming partly cloudy, with a low around 27. Light and variable wind. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Wednesday
A 30 percent chance of snow before 7am. Mostly sunny, with a high near 38. Wind chill values between 25 and 30. West wind 5 to 11 mph, with gusts as high as 22 mph.
Wednesday Night
Partly cloudy, with a low around 21. Northwest wind around 8 mph, with gusts as high as 21 mph.
Thursday
Mostly sunny, with a high near 34.
Thursday Night
Partly cloudy, with a low around 17.
Friday
Mostly sunny, with a high near 34.
Friday Night
Partly cloudy, with a low around 18.
Saturday
Sunny, with a high near 35.
Saturday Night
Partly cloudy, with a low around 20.
Sunday
A chance of rain and snow. Mostly cloudy, with a high near 37. Chance of precipitation is 30%.
Sunday Night
Rain and snow likely. Cloudy, with a low around 28. Chance of precipitation is 60%.
Washington's Birthday
Rain likely. Mostly cloudy, with a high near 41. Chance of precipitation is 60%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Niantic CT
 41.31°N 72.21°W (Elev. 30 ft)
Last Update:
11:17 pm EST Feb 9, 2026
Forecast Valid:
12am EST Feb 10, 2026-6pm EST Feb 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