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

40°F

4°C

Humidity 89%
Wind Speed E 13 mph
Barometer 30.04 in (1017.1 mb)
Dewpoint 37°F (3°C)
Visibility 7.00 mi
Wind Chill32°F (0°C)
Last update 10 Jan 6:56 pm EST
Extended Forecast for

3 Miles SW Niantic CT

  • Tonight

    Tonight: Rain, mainly before 4am. Patchy fog after 1am. Low around 39. East wind 5 to 13 mph becoming northwest after midnight. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 39 °F

    Rain and
    Patchy Fog

  • Sunday

    Sunday: A chance of rain before 1pm, then a slight chance of rain and snow showers after 4pm. Cloudy, then gradually becoming mostly sunny, with a high near 42. West wind 6 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.

    High: 42 °F

    Chance Rain
    then Slight
    Chance
    Rain/Snow

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 29. Wind chill values between 15 and 25. Breezy, with a west wind 16 to 21 mph, with gusts as high as 33 mph.

    Low: 29 °F

    Partly Cloudy
    and Breezy

  • Monday

    Monday: Mostly sunny, with a high near 39. Wind chill values between 15 and 25. West wind 11 to 17 mph.

    High: 39 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 33. Southwest wind around 11 mph.

    Low: 33 °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 38.

    Low: 38 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 45.

    High: 45 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A 30 percent chance of rain. Mostly cloudy, with a low around 32.

    Low: 32 °F

    Chance Rain

Detailed Forecast

Tonight
Rain, mainly before 4am. Patchy fog after 1am. Low around 39. East wind 5 to 13 mph becoming northwest after midnight. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Sunday
A chance of rain before 1pm, then a slight chance of rain and snow showers after 4pm. Cloudy, then gradually becoming mostly sunny, with a high near 42. West wind 6 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.
Sunday Night
Partly cloudy, with a low around 29. Wind chill values between 15 and 25. Breezy, with a west wind 16 to 21 mph, with gusts as high as 33 mph.
Monday
Mostly sunny, with a high near 39. Wind chill values between 15 and 25. West wind 11 to 17 mph.
Monday Night
Mostly clear, with a low around 33. Southwest wind around 11 mph.
Tuesday
Sunny, with a high near 43.
Tuesday Night
Mostly cloudy, with a low around 38.
Wednesday
Mostly cloudy, with a high near 45.
Wednesday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 32.
Thursday
Partly sunny, with a high near 38.
Thursday Night
Partly cloudy, with a low around 23.
Friday
Mostly sunny, with a high near 33.
Friday Night
Partly cloudy, with a low around 26.
Saturday
Mostly sunny, with a high near 38.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SW Niantic CT
 41.3°N 72.24°W (Elev. 0 ft)
Last Update:
1:33 pm EST Jan 10, 2026
Forecast Valid:
7pm EST Jan 10, 2026-6pm EST Jan 17, 2026
 
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Additional Resources

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National Digital Forecast Database Weather Element Forecast

Chance of Precipitation