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

37°F

3°C

Humidity 59%
Wind Speed W 8 mph
Barometer 29.91 in (1012.9 mb)
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Wind Chill31°F (-1°C)
Last update 17 Nov 11:56 pm EST
Extended Forecast for

Niantic CT

  • Overnight

    Overnight: Mostly clear, with a low around 32. West wind around 8 mph, with gusts as high as 23 mph.

    Low: 32 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 47. West wind 8 to 11 mph, with gusts as high as 21 mph.

    High: 47 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of snow after 1am. Mostly cloudy, with a low around 31. Light northwest wind.

    Low: 31 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Wednesday

    Wednesday: Mostly sunny, with a high near 49. Calm wind becoming north around 6 mph.

    High: 49 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 30. Calm wind.

    Low: 30 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 50.

    High: 50 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 39.

    Low: 39 °F

    Mostly Cloudy

  • Friday

    Friday: A 50 percent chance of rain. Mostly cloudy, with a high near 56.

    High: 56 °F

    Chance Rain

  • Friday Night

    Friday Night: A 40 percent chance of rain. Mostly cloudy, with a low around 38.

    Low: 38 °F

    Chance Rain

Detailed Forecast

Overnight
Mostly clear, with a low around 32. West wind around 8 mph, with gusts as high as 23 mph.
Tuesday
Mostly sunny, with a high near 47. West wind 8 to 11 mph, with gusts as high as 21 mph.
Tuesday Night
A 20 percent chance of snow after 1am. Mostly cloudy, with a low around 31. Light northwest wind.
Wednesday
Mostly sunny, with a high near 49. Calm wind becoming north around 6 mph.
Wednesday Night
Partly cloudy, with a low around 30. Calm wind.
Thursday
Mostly cloudy, with a high near 50.
Thursday Night
Mostly cloudy, with a low around 39.
Friday
A 50 percent chance of rain. Mostly cloudy, with a high near 56.
Friday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 38.
Saturday
A 40 percent chance of rain. Partly sunny, with a high near 50.
Saturday Night
Partly cloudy, with a low around 32.
Sunday
Mostly sunny, with a high near 49.
Sunday Night
Partly cloudy, with a low around 35.
Monday
Mostly sunny, with a high near 53.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Niantic CT
 41.33°N 72.17°W (Elev. 69 ft)
Last Update:
9:16 pm EST Nov 17, 2025
Forecast Valid:
12am EST Nov 18, 2025-6pm EST Nov 24, 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