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 Fog/Mist

44°F

7°C

Humidity 93%
Wind Speed E 13 mph
Barometer 29.80 in (1009.0 mb)
Dewpoint 42°F (6°C)
Visibility 4.00 mi
Wind Chill38°F (3°C)
Last update 10 Jan 10:56 pm EST
Extended Forecast for

Niantic CT

  • Tonight

    Tonight: Rain, mainly before 4am. Patchy fog after 1am. Low around 39. Northeast wind 5 to 11 mph becoming northwest after midnight. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 39 °F

    Rain and
    Patchy Fog

  • Sunday

    Sunday: A chance of rain before 1pm, then a chance of snow showers after 4pm. Cloudy, then gradually becoming mostly sunny, with a high near 45. West wind 5 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.

    High: 45 °F

    Chance Rain
    then Chance
    Rain/Snow

  • Sunday Night

    Sunday Night: A 30 percent chance of snow showers, mainly before 7pm. Partly cloudy, with a low around 28. Wind chill values between 15 and 20. West wind 11 to 17 mph, with gusts as high as 31 mph.

    Low: 28 °F

    Chance Snow
    Showers then
    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 39. Wind chill values between 15 and 25. West wind 8 to 11 mph, with gusts as high as 26 mph.

    High: 39 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 31. Southwest wind around 6 mph.

    Low: 31 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 43.

    High: 43 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 35.

    Low: 35 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 46.

    High: 46 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A 30 percent chance of rain. Mostly cloudy, with a low around 30.

    Low: 30 °F

    Chance Rain

Detailed Forecast

Tonight
Rain, mainly before 4am. Patchy fog after 1am. Low around 39. Northeast wind 5 to 11 mph becoming northwest after midnight. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Sunday
A chance of rain before 1pm, then a chance of snow showers after 4pm. Cloudy, then gradually becoming mostly sunny, with a high near 45. West wind 5 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.
Sunday Night
A 30 percent chance of snow showers, mainly before 7pm. Partly cloudy, with a low around 28. Wind chill values between 15 and 20. West wind 11 to 17 mph, with gusts as high as 31 mph.
Monday
Mostly sunny, with a high near 39. Wind chill values between 15 and 25. West wind 8 to 11 mph, with gusts as high as 26 mph.
Monday Night
Mostly clear, with a low around 31. Southwest wind around 6 mph.
Tuesday
Sunny, with a high near 43.
Tuesday Night
Mostly cloudy, with a low around 35.
Wednesday
Mostly cloudy, with a high near 46.
Wednesday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 30.
Thursday
Partly sunny, with a high near 38.
Thursday Night
Partly cloudy, with a low around 21.
Friday
Mostly sunny, with a high near 33.
Friday Night
Partly cloudy, with a low around 23.
Saturday
Mostly sunny, with a high near 38.
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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:
8:12 pm EST Jan 10, 2026
Forecast Valid:
11pm EST Jan 10, 2026-6pm EST Jan 17, 2026
 
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Additional Resources

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Chance of Precipitation