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.

Fair

31°F

-1°C

Humidity 35%
Wind Speed N 14 mph
Barometer 30.31 in (1026.3 mb)
Dewpoint 6°F (-14°C)
Visibility 10.00 mi
Wind Chill21°F (-6°C)
Last update 28 Mar 7:56 am EDT
Extended Forecast for

Niantic CT

  • Today

    Today: Partly sunny, with a high near 42. Wind chill values between 25 and 35. Northwest wind 6 to 10 mph, with gusts as high as 24 mph.

    High: 42 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 26. Northwest wind 3 to 7 mph. Winds could gust as high as 23 mph.

    Low: 26 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 45. Light southwest wind increasing to 8 to 13 mph in the morning.

    High: 45 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 38. Southwest wind 8 to 10 mph, with gusts as high as 23 mph.

    Low: 38 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 56. Southwest wind 7 to 11 mph, with gusts as high as 22 mph.

    High: 56 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 43.

    Low: 43 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of rain before 2pm. Mostly cloudy, with a high near 59.

    High: 59 °F

    Chance Rain

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 49.

    Low: 49 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 50 percent chance of rain after 2pm. Mostly sunny, with a high near 62.

    High: 62 °F

    Mostly Sunny
    then Chance
    Rain

Detailed Forecast

Today
Partly sunny, with a high near 42. Wind chill values between 25 and 35. Northwest wind 6 to 10 mph, with gusts as high as 24 mph.
Tonight
Mostly clear, with a low around 26. Northwest wind 3 to 7 mph. Winds could gust as high as 23 mph.
Sunday
Mostly sunny, with a high near 45. Light southwest wind increasing to 8 to 13 mph in the morning.
Sunday Night
Mostly cloudy, with a low around 38. Southwest wind 8 to 10 mph, with gusts as high as 23 mph.
Monday
Mostly cloudy, with a high near 56. Southwest wind 7 to 11 mph, with gusts as high as 22 mph.
Monday Night
Mostly cloudy, with a low around 43.
Tuesday
A 30 percent chance of rain before 2pm. Mostly cloudy, with a high near 59.
Tuesday Night
Partly cloudy, with a low around 49.
Wednesday
A 50 percent chance of rain after 2pm. Mostly sunny, with a high near 62.
Wednesday Night
Rain likely, mainly between 8pm and 2am. Mostly cloudy, with a low around 40. Chance of precipitation is 70%.
Thursday
A 40 percent chance of rain. Mostly cloudy, with a high near 49.
Thursday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 34.
Friday
A chance of rain and snow. Cloudy, with a high near 44. Chance of precipitation is 50%.
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:
4:58 am EDT Mar 28, 2026
Forecast Valid:
8am EDT Mar 28, 2026-6pm EDT Apr 3, 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