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

41°F

5°C

Humidity 49%
Wind Speed W 16 G 26 mph
Barometer 29.91 in (1012.6 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill33°F (1°C)
Last update 4 Dec 1:56 pm EST
Extended Forecast for

Niantic CT

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 41. West wind around 14 mph, with gusts as high as 25 mph.

    High: 41 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 14. Northwest wind 8 to 13 mph becoming light north after midnight. Winds could gust as high as 29 mph.

    Low: 14 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 34. Wind chill values between 15 and 25. Calm wind becoming south around 6 mph.

    High: 34 °F

    Sunny

  • Friday Night

    Friday Night: A 30 percent chance of snow after 1am. Mostly cloudy, with a steady temperature around 29. Calm wind.

    Low: 29 °F

    Mostly Cloudy
    then Chance
    Snow

  • Saturday

    Saturday: A 30 percent chance of rain before 1pm. Mostly cloudy, with a high near 43. Calm wind becoming southwest 5 to 7 mph in the afternoon.

    High: 43 °F

    Chance Rain

  • Saturday Night

    Saturday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 25.

    Low: 25 °F

    Decreasing
    Clouds

  • Sunday

    Sunday: Increasing clouds, with a high near 42.

    High: 42 °F

    Increasing
    Clouds

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 23.

    Low: 23 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 35.

    High: 35 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 41. West wind around 14 mph, with gusts as high as 25 mph.
Tonight
Mostly clear, with a low around 14. Northwest wind 8 to 13 mph becoming light north after midnight. Winds could gust as high as 29 mph.
Friday
Sunny, with a high near 34. Wind chill values between 15 and 25. Calm wind becoming south around 6 mph.
Friday Night
A 30 percent chance of snow after 1am. Mostly cloudy, with a steady temperature around 29. Calm wind.
Saturday
A 30 percent chance of rain before 1pm. Mostly cloudy, with a high near 43. Calm wind becoming southwest 5 to 7 mph in the afternoon.
Saturday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 25.
Sunday
Increasing clouds, with a high near 42.
Sunday Night
Mostly cloudy, with a low around 23.
Monday
Mostly sunny, with a high near 35.
Monday Night
Mostly clear, with a low around 14.
Tuesday
Partly sunny, with a high near 39.
Tuesday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 29.
Wednesday
Mostly cloudy, with a high near 44.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Niantic CT
 41.33°N 72.17°W (Elev. 69 ft)
Last Update:
2:14 pm EST Dec 4, 2025
Forecast Valid:
2pm EST Dec 4, 2025-6pm EST Dec 10, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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