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.

Light Rain

48°F

9°C

Humidity 96%
Wind Speed E 9 mph
Barometer 29.70 in (1005.7 mb)
Dewpoint 47°F (8°C)
Visibility 8.00 mi
Wind Chill44°F (7°C)
Last update 2 Dec 2:56 pm EST
Extended Forecast for

Niantic CT

  • This Afternoon

    This Afternoon: Rain. High near 47. Northeast wind around 11 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 47 °F

    Rain

  • Tonight

    Tonight: Rain, mainly before 10pm. Low around 30. Northwest wind around 9 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 30 °F

    Rain then
    Chance Rain

  • Wednesday

    Wednesday: Sunny, with a high near 42. Wind chill values between 25 and 35. Northwest wind 5 to 8 mph.

    High: 42 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 30. Calm wind becoming west around 6 mph after midnight.

    Low: 30 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 41. West wind 8 to 14 mph, with gusts as high as 26 mph.

    High: 41 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 15.

    Low: 15 °F

    Mostly Clear

  • Friday

    Friday: Increasing clouds, with a high near 35.

    High: 35 °F

    Increasing
    Clouds

  • Friday Night

    Friday Night: A 40 percent chance of snow after 1am. Mostly cloudy, with a low around 25.

    Low: 25 °F

    Mostly Cloudy
    then Chance
    Snow

  • Saturday

    Saturday: A 40 percent chance of rain. Partly sunny, with a high near 42.

    High: 42 °F

    Chance Rain

Detailed Forecast

This Afternoon
Rain. High near 47. Northeast wind around 11 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Tonight
Rain, mainly before 10pm. Low around 30. Northwest wind around 9 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
Sunny, with a high near 42. Wind chill values between 25 and 35. Northwest wind 5 to 8 mph.
Wednesday Night
Partly cloudy, with a low around 30. Calm wind becoming west around 6 mph after midnight.
Thursday
Partly sunny, with a high near 41. West wind 8 to 14 mph, with gusts as high as 26 mph.
Thursday Night
Mostly clear, with a low around 15.
Friday
Increasing clouds, with a high near 35.
Friday Night
A 40 percent chance of snow after 1am. Mostly cloudy, with a low around 25.
Saturday
A 40 percent chance of rain. Partly sunny, with a high near 42.
Saturday Night
Partly cloudy, with a low around 26.
Sunday
Mostly sunny, with a high near 39.
Sunday Night
Mostly cloudy, with a low around 19.
Monday
Mostly sunny, with a high near 32.
Monday Night
Partly cloudy, with a low around 17.
Tuesday
Partly sunny, with a high near 35.
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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:
1:01 pm EST Dec 2, 2025
Forecast Valid:
3pm EST Dec 2, 2025-6pm EST Dec 9, 2025
 
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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