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.

Partly Cloudy

29°F

-2°C

Humidity 61%
Wind Speed NE 8 mph
Barometer 30.12 in (1019.9 mb)
Dewpoint 17°F (-8°C)
Visibility 10.00 mi
Wind Chill21°F (-6°C)
Last update 16 Feb 12:56 am EST
Extended Forecast for

Niantic CT

  • Overnight

    Overnight: A 50 percent chance of snow. Cloudy, with a low around 28. Northeast wind around 5 mph.

    Low: 28 °F

    Chance Snow

  • Washington's Birthday

    Washington's Birthday: Cloudy, then gradually becoming mostly sunny, with a high near 39. Wind chill values between 20 and 30. East wind 3 to 6 mph.

    High: 39 °F

    Decreasing
    Clouds

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 26. Calm wind.

    Low: 26 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 41. Calm wind becoming southwest around 6 mph.

    High: 41 °F

    Mostly Cloudy

  • Tuesday Night

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

    Low: 30 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Rain likely, mainly after noon. Cloudy, with a high near 41. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 41 °F

    Chance Rain
    then Rain
    Likely

  • Wednesday Night

    Wednesday Night: Rain likely, mainly before midnight. Mostly cloudy, with a low around 31. Chance of precipitation is 70%.

    Low: 31 °F

    Rain Likely
    then Chance
    Rain

  • Thursday

    Thursday: Mostly cloudy, with a high near 39.

    High: 39 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 29.

    Low: 29 °F

    Partly Cloudy

Detailed Forecast

Overnight
A 50 percent chance of snow. Cloudy, with a low around 28. Northeast wind around 5 mph.
Washington's Birthday
Cloudy, then gradually becoming mostly sunny, with a high near 39. Wind chill values between 20 and 30. East wind 3 to 6 mph.
Monday Night
Mostly cloudy, with a low around 26. Calm wind.
Tuesday
Mostly cloudy, with a high near 41. Calm wind becoming southwest around 6 mph.
Tuesday Night
Increasing clouds, with a low around 30. Calm wind.
Wednesday
Rain likely, mainly after noon. Cloudy, with a high near 41. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
Rain likely, mainly before midnight. Mostly cloudy, with a low around 31. Chance of precipitation is 70%.
Thursday
Mostly cloudy, with a high near 39.
Thursday Night
Partly cloudy, with a low around 29.
Friday
Rain likely, mainly after noon. Mostly cloudy, with a high near 41. Chance of precipitation is 60%.
Friday Night
Rain likely. Mostly cloudy, with a low around 31. Chance of precipitation is 60%.
Saturday
A 40 percent chance of rain. Mostly cloudy, with a high near 41.
Saturday Night
A chance of rain and snow. Mostly cloudy, with a low around 27. Chance of precipitation is 30%.
Sunday
A chance of rain and snow. Mostly cloudy, with a high near 39. Chance of precipitation is 30%.
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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:
7:19 pm EST Feb 15, 2026
Forecast Valid:
1am EST Feb 16, 2026-6pm EST Feb 22, 2026
 
Forecast Discussion
 
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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