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

39°F

4°C

Humidity 31%
Wind Speed N 13 mph
Barometer 30.63 in (1037.1 mb)
Dewpoint 11°F (-12°C)
Visibility 10.00 mi
Wind Chill31°F (-1°C)
Last update 8 Apr 9:56 am EDT
Extended Forecast for

Niantic CT

  • Today

    Today: Sunny, with a high near 47. Northeast wind around 9 mph becoming southeast in the afternoon.

    High: 47 °F

    Sunny

  • Tonight

    Tonight: Areas of frost after 1am. Otherwise, clear, with a low around 32. South wind around 6 mph becoming calm in the evening.

    Low: 32 °F

    Clear then
    Areas Frost

  • Thursday

    Thursday: Patchy frost before 8am. Otherwise, sunny, with a high near 51. South wind 3 to 8 mph.

    High: 51 °F

    Patchy Frost
    then Sunny

  • Thursday Night

    Thursday Night: Patchy frost between midnight and 2am. Otherwise, mostly clear, with a low around 36. South wind around 5 mph becoming calm in the evening.

    Low: 36 °F

    Mostly Clear
    then Patchy
    Frost

  • Friday

    Friday: Areas of frost before 8am. Otherwise, sunny, with a high near 57. Calm wind becoming south 5 to 7 mph in the afternoon.

    High: 57 °F

    Areas Frost
    then Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 44.

    Low: 44 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, then gradually becoming sunny, with a high near 60.

    High: 60 °F

    Becoming
    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 38.

    Low: 38 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 55.

    High: 55 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 47. Northeast wind around 9 mph becoming southeast in the afternoon.
Tonight
Areas of frost after 1am. Otherwise, clear, with a low around 32. South wind around 6 mph becoming calm in the evening.
Thursday
Patchy frost before 8am. Otherwise, sunny, with a high near 51. South wind 3 to 8 mph.
Thursday Night
Patchy frost between midnight and 2am. Otherwise, mostly clear, with a low around 36. South wind around 5 mph becoming calm in the evening.
Friday
Areas of frost before 8am. Otherwise, sunny, with a high near 57. Calm wind becoming south 5 to 7 mph in the afternoon.
Friday Night
Mostly cloudy, with a low around 44.
Saturday
Partly sunny, then gradually becoming sunny, with a high near 60.
Saturday Night
Clear, with a low around 38.
Sunday
Sunny, with a high near 55.
Sunday Night
Mostly cloudy, with a low around 43.
Monday
Mostly cloudy, with a high near 63.
Monday Night
Mostly cloudy, with a low around 52.
Tuesday
Partly sunny, with a high near 69.
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:
3:28 am EDT Apr 8, 2026
Forecast Valid:
10am EDT Apr 8, 2026-6pm EDT Apr 14, 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