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

41°F

5°C

Humidity 93%
Wind Speed NW 7 mph
Barometer 29.73 in (1006.8 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Wind Chill36°F (2°C)
Last update 11 Jan 4:56 am EST
Extended Forecast for

Niantic CT

  • Overnight

    Overnight: A 50 percent chance of rain. Patchy fog. Otherwise, cloudy, with a low around 39. Light northwest wind.

    Low: 39 °F

    Chance Rain
    and Patchy
    Fog

  • Sunday

    Sunday: A chance of rain before 1pm, then a slight chance of snow showers after 4pm. Patchy fog before 7am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 45. Light west wind becoming northwest 6 to 11 mph in the morning. Winds could gust as high as 21 mph. Chance of precipitation is 40%.

    High: 45 °F

    Chance Rain
    and Patchy
    Fog then
    Slight Chance
    Rain/Snow

  • Sunday Night

    Sunday Night: A 30 percent chance of snow showers, mainly between 7pm and 10pm. Partly cloudy, with a low around 26. Wind chill values between 15 and 20. West wind 14 to 17 mph, with gusts as high as 34 mph.

    Low: 26 °F

    Chance Snow
    Showers then
    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 39. Wind chill values between 15 and 25. West wind 8 to 15 mph, with gusts as high as 26 mph.

    High: 39 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 29. Southwest wind 6 to 8 mph.

    Low: 29 °F

    Mostly Clear

  • Tuesday

    Tuesday: Increasing clouds, with a high near 43.

    High: 43 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 34.

    Low: 34 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Cloudy, with a high near 46.

    High: 46 °F

    Cloudy

  • Wednesday Night

    Wednesday Night: A 30 percent chance of rain after 1am. Cloudy, with a low around 31.

    Low: 31 °F

    Cloudy then
    Chance Rain

Detailed Forecast

Overnight
A 50 percent chance of rain. Patchy fog. Otherwise, cloudy, with a low around 39. Light northwest wind.
Sunday
A chance of rain before 1pm, then a slight chance of snow showers after 4pm. Patchy fog before 7am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 45. Light west wind becoming northwest 6 to 11 mph in the morning. Winds could gust as high as 21 mph. Chance of precipitation is 40%.
Sunday Night
A 30 percent chance of snow showers, mainly between 7pm and 10pm. Partly cloudy, with a low around 26. Wind chill values between 15 and 20. West wind 14 to 17 mph, with gusts as high as 34 mph.
Monday
Sunny, with a high near 39. Wind chill values between 15 and 25. West wind 8 to 15 mph, with gusts as high as 26 mph.
Monday Night
Mostly clear, with a low around 29. Southwest wind 6 to 8 mph.
Tuesday
Increasing clouds, with a high near 43.
Tuesday Night
Mostly cloudy, with a low around 34.
Wednesday
Cloudy, with a high near 46.
Wednesday Night
A 30 percent chance of rain after 1am. Cloudy, with a low around 31.
Thursday
A 30 percent chance of rain. Partly sunny, with a high near 39.
Thursday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 20.
Friday
Partly sunny, with a high near 33.
Friday Night
Partly cloudy, with a low around 21.
Saturday
Mostly sunny, with a high near 37.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Niantic CT
 41.34°N 72.2°W (Elev. 92 ft)
Last Update:
1:40 am EST Jan 11, 2026
Forecast Valid:
5am EST Jan 11, 2026-6pm EST Jan 17, 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