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

71°F

22°C

Humidity 66%
Wind Speed SW 7 mph
Barometer 30.02 in (1016.6 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 26 May 4:56 pm EDT
Extended Forecast for

Niantic CT

  • Tonight

    Tonight: Mostly cloudy, with a low around 59. Southwest wind 3 to 5 mph.

    Low: 59 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 84. Light southwest wind increasing to 5 to 10 mph in the morning.

    High: 84 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms before 11pm. Partly cloudy, with a low around 60. West wind around 6 mph becoming calm in the evening.

    Low: 60 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Thursday

    Thursday: A 40 percent chance of showers after 2pm. Mostly sunny, with a high near 79. Northwest wind 3 to 7 mph.

    High: 79 °F

    Mostly Sunny
    then Chance
    Showers

  • Thursday Night

    Thursday Night: A 30 percent chance of showers before 8pm. Partly cloudy, with a low around 55. Light northwest wind.

    Low: 55 °F

    Chance
    Showers then
    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 72.

    High: 72 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 40 percent chance of showers after 2am. Mostly cloudy, with a low around 56.

    Low: 56 °F

    Mostly Cloudy
    then Chance
    Showers

  • Saturday

    Saturday: A 30 percent chance of showers before 2pm. Partly sunny, with a high near 71.

    High: 71 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 51.

    Low: 51 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 59. Southwest wind 3 to 5 mph.
Wednesday
Mostly cloudy, with a high near 84. Light southwest wind increasing to 5 to 10 mph in the morning.
Wednesday Night
A 20 percent chance of showers and thunderstorms before 11pm. Partly cloudy, with a low around 60. West wind around 6 mph becoming calm in the evening.
Thursday
A 40 percent chance of showers after 2pm. Mostly sunny, with a high near 79. Northwest wind 3 to 7 mph.
Thursday Night
A 30 percent chance of showers before 8pm. Partly cloudy, with a low around 55. Light northwest wind.
Friday
Mostly sunny, with a high near 72.
Friday Night
A 40 percent chance of showers after 2am. Mostly cloudy, with a low around 56.
Saturday
A 30 percent chance of showers before 2pm. Partly sunny, with a high near 71.
Saturday Night
Partly cloudy, with a low around 51.
Sunday
Sunny, with a high near 70.
Sunday Night
Partly cloudy, with a low around 53.
Monday
A 30 percent chance of showers. Mostly sunny, with a high near 70.
Monday Night
Partly cloudy, with a low around 52.
Tuesday
Mostly sunny, with a high near 73.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Niantic CT
 41.34°N 72.2°W (Elev. 92 ft)
Last Update:
2:20 pm EDT May 26, 2026
Forecast Valid:
5pm EDT May 26, 2026-6pm EDT Jun 2, 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