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.

Partly Cloudy

43°F

6°C

Humidity 80%
Wind Speed SW 9 mph
Barometer 29.71 in (1006.0 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Wind Chill38°F (3°C)
Last update 14 Jan 9:56 am EST
Extended Forecast for

Niantic CT

  • Today

    Today: Mostly cloudy, with a high near 47. Southwest wind 5 to 8 mph.

    High: 47 °F

    Mostly Cloudy

  • Tonight

    Tonight: Showers likely, mainly between 1am and 4am. Cloudy, with a steady temperature around 41. Calm wind becoming west around 5 mph after midnight. Chance of precipitation is 60%.

    Low: 41 °F

    Chance
    Showers then
    Showers
    Likely

  • Thursday

    Thursday: A 30 percent chance of showers, mainly before 7am. Cloudy, then gradually becoming mostly sunny, with a temperature falling to around 31 by 5pm. Wind chill values between 20 and 30. West wind 6 to 13 mph, with gusts as high as 24 mph.

    High: 41 °F⇓

    Chance
    Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 18. Wind chill values between 5 and 15. West wind 10 to 13 mph, with gusts as high as 31 mph.

    Low: 18 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 35. West wind 10 to 14 mph, with gusts as high as 31 mph.

    High: 35 °F

    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a steady temperature around 31.

    Low: 31 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 30 percent chance of rain after 1pm. Mostly cloudy, with a high near 41.

    High: 41 °F

    Mostly Cloudy
    then Chance
    Rain

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 27.

    Low: 27 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 35.

    High: 35 °F

    Partly Sunny

Detailed Forecast

Today
Mostly cloudy, with a high near 47. Southwest wind 5 to 8 mph.
Tonight
Showers likely, mainly between 1am and 4am. Cloudy, with a steady temperature around 41. Calm wind becoming west around 5 mph after midnight. Chance of precipitation is 60%.
Thursday
A 30 percent chance of showers, mainly before 7am. Cloudy, then gradually becoming mostly sunny, with a temperature falling to around 31 by 5pm. Wind chill values between 20 and 30. West wind 6 to 13 mph, with gusts as high as 24 mph.
Thursday Night
Partly cloudy, with a low around 18. Wind chill values between 5 and 15. West wind 10 to 13 mph, with gusts as high as 31 mph.
Friday
Sunny, with a high near 35. West wind 10 to 14 mph, with gusts as high as 31 mph.
Friday Night
Mostly cloudy, with a steady temperature around 31.
Saturday
A 30 percent chance of rain after 1pm. Mostly cloudy, with a high near 41.
Saturday Night
Mostly cloudy, with a low around 27.
Sunday
Partly sunny, with a high near 35.
Sunday Night
Partly cloudy, with a low around 21.
M.L.King Day
Mostly sunny, with a high near 33.
Monday Night
Mostly cloudy, with a low around 21.
Tuesday
Mostly sunny, with a high near 30.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Niantic CT
 41.31°N 72.21°W (Elev. 30 ft)
Last Update:
6:04 am EST Jan 14, 2026
Forecast Valid:
10am EST Jan 14, 2026-6pm EST Jan 20, 2026
 
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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