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

49°F

9°C

Humidity 69%
Wind Speed W 5 mph
Barometer 29.73 in (1006.8 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Wind Chill47°F (8°C)
Last update 8 Nov 8:56 pm EST
Extended Forecast for

3 Miles SSW Niantic CT

  • Tonight

    Tonight: Mostly clear, with a low around 44. West wind around 11 mph, with gusts as high as 22 mph.

    Low: 44 °F

    Mostly Clear

  • Monday

    Monday: A 20 percent chance of rain before 1pm. Partly sunny, then gradually becoming sunny, with a high near 58. Northwest wind 10 to 14 mph, with gusts as high as 24 mph.

    High: 58 °F

    Slight Chance
    Rain

  • Monday Night

    Monday Night: Mostly clear, with a low around 40. Northwest wind 8 to 10 mph, with gusts as high as 20 mph.

    Low: 40 °F

    Mostly Clear

  • Tuesday

    Tuesday: Partly sunny, then gradually becoming sunny, with a high near 59. West wind 8 to 13 mph.

    High: 59 °F

    Becoming
    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 43. West wind 7 to 9 mph.

    Low: 43 °F

    Clear

  • Veterans Day

    Veterans Day: Sunny, with a high near 60.

    High: 60 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 43.

    Low: 43 °F

    Partly Cloudy

  • Thursday

    Thursday: A 30 percent chance of rain after 1pm. Mostly cloudy, with a high near 55.

    High: 55 °F

    Partly Sunny
    then Chance
    Rain

  • Thursday Night

    Thursday Night: Rain. Low around 42. Breezy. Chance of precipitation is 80%.

    Low: 42 °F

    Rain and
    Breezy

Detailed Forecast

Tonight
Mostly clear, with a low around 44. West wind around 11 mph, with gusts as high as 22 mph.
Monday
A 20 percent chance of rain before 1pm. Partly sunny, then gradually becoming sunny, with a high near 58. Northwest wind 10 to 14 mph, with gusts as high as 24 mph.
Monday Night
Mostly clear, with a low around 40. Northwest wind 8 to 10 mph, with gusts as high as 20 mph.
Tuesday
Partly sunny, then gradually becoming sunny, with a high near 59. West wind 8 to 13 mph.
Tuesday Night
Clear, with a low around 43. West wind 7 to 9 mph.
Veterans Day
Sunny, with a high near 60.
Wednesday Night
Partly cloudy, with a low around 43.
Thursday
A 30 percent chance of rain after 1pm. Mostly cloudy, with a high near 55.
Thursday Night
Rain. Low around 42. Breezy. Chance of precipitation is 80%.
Friday
Rain. High near 48. Breezy. Chance of precipitation is 80%.
Friday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 37. Breezy.
Saturday
A 30 percent chance of rain. Partly sunny, with a high near 47.
Saturday Night
Partly cloudy, with a low around 36.
Sunday
Mostly sunny, with a high near 48.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSW Niantic CT
 41.29°N 72.21°W (Elev. 3 ft)
Last Update:
1:44 pm EST Nov 8, 2026
Forecast Valid:
9pm EST Nov 8, 2026-6pm EST Nov 15, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation