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

53°F

12°C

Humidity 96%
Wind Speed Calm
Barometer 29.72 in (1006.3 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 14 May 9:56 pm EDT
Extended Forecast for

Niantic CT

  • Tonight

    Tonight: A 30 percent chance of showers before 11pm. Mostly cloudy, with a steady temperature around 53. Calm wind.

    Low: 53 °F

    Chance
    Showers then
    Mostly Cloudy

  • Friday

    Friday: A 50 percent chance of showers, mainly between 11am and 2pm. Partly sunny, with a high near 64. Calm wind becoming north around 6 mph in the afternoon.

    High: 64 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 50. Calm wind.

    Low: 50 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 75. Light west wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 21 mph.

    High: 75 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 56. Southwest wind 3 to 6 mph.

    Low: 56 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 83.

    High: 83 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 57.

    Low: 57 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 75.

    High: 75 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear

Detailed Forecast

Tonight
A 30 percent chance of showers before 11pm. Mostly cloudy, with a steady temperature around 53. Calm wind.
Friday
A 50 percent chance of showers, mainly between 11am and 2pm. Partly sunny, with a high near 64. Calm wind becoming north around 6 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 50. Calm wind.
Saturday
Sunny, with a high near 75. Light west wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 21 mph.
Saturday Night
Partly cloudy, with a low around 56. Southwest wind 3 to 6 mph.
Sunday
Mostly sunny, with a high near 83.
Sunday Night
Mostly clear, with a low around 57.
Monday
Mostly sunny, with a high near 75.
Monday Night
Mostly clear, with a low around 55.
Tuesday
Sunny, with a high near 78.
Tuesday Night
Mostly clear, with a low around 60.
Wednesday
Mostly sunny, with a high near 83.
Wednesday Night
A 30 percent chance of showers. Partly cloudy, with a low around 59.
Thursday
A 30 percent chance of showers. Partly sunny, with a high near 77.
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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:
6:30 pm EDT May 14, 2026
Forecast Valid:
10pm EDT May 14, 2026-6pm EDT May 21, 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