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

46°F

8°C

Humidity 58%
Wind Speed NW 12 mph
Barometer 30.00 in (1015.7 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill40°F (4°C)
Last update 1 Nov 7:56 pm EDT
Extended Forecast for

Niantic CT

  • Tonight

    Tonight: Partly cloudy, with a low around 38. Northwest wind 6 to 9 mph, with gusts as high as 20 mph.

    Low: 38 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 57. Northwest wind 6 to 9 mph.

    High: 57 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 42. Calm wind.

    Low: 42 °F

    Mostly Clear

  • Monday

    Monday: A 30 percent chance of rain after 2pm. Mostly sunny, with a high near 61. Light southwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 61 °F

    Mostly Sunny
    then Chance
    Rain

  • Monday Night

    Monday Night: A 40 percent chance of rain before 2am. Partly cloudy, with a low around 45. Southwest wind around 9 mph becoming west after midnight. Winds could gust as high as 20 mph.

    Low: 45 °F

    Chance Rain

  • Tuesday

    Tuesday: Sunny, with a high near 60.

    High: 60 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 42.

    Low: 42 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 59.

    High: 59 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 40 percent chance of rain. Mostly cloudy, with a low around 42.

    Low: 42 °F

    Chance Rain

Detailed Forecast

Tonight
Partly cloudy, with a low around 38. Northwest wind 6 to 9 mph, with gusts as high as 20 mph.
Sunday
Sunny, with a high near 57. Northwest wind 6 to 9 mph.
Sunday Night
Mostly clear, with a low around 42. Calm wind.
Monday
A 30 percent chance of rain after 2pm. Mostly sunny, with a high near 61. Light southwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Monday Night
A 40 percent chance of rain before 2am. Partly cloudy, with a low around 45. Southwest wind around 9 mph becoming west after midnight. Winds could gust as high as 20 mph.
Tuesday
Sunny, with a high near 60.
Tuesday Night
Mostly clear, with a low around 42.
Wednesday
Mostly sunny, with a high near 59.
Wednesday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 42.
Thursday
Mostly sunny, with a high near 55.
Thursday Night
Mostly clear, with a low around 35.
Friday
Mostly sunny, with a high near 57.
Friday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 47.
Saturday
A 30 percent chance of rain. Partly sunny, with a high near 61.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Niantic CT
 41.31°N 72.21°W (Elev. 30 ft)
Last Update:
3:53 pm EDT Nov 1, 2025
Forecast Valid:
8pm EDT Nov 1, 2025-6pm EST Nov 8, 2025
 
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