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.

Overcast

45°F

7°C

Humidity 90%
Wind Speed W 14 G 22 mph
Barometer 30.02 in (1016.6 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 30 Nov 9:56 pm EST
Extended Forecast for

Groton / New London Airport CT

  • Tonight

    Tonight: Cloudy early, then gradual clearing, with a low around 36. West wind around 16 mph, with gusts as high as 26 mph.

    Low: 36 °F

    Gradual
    Clearing

  • Monday

    Monday: Sunny, with a high near 41. Northwest wind 10 to 16 mph.

    High: 41 °F

    Sunny

  • Monday Night

    Monday Night: Increasing clouds, with a low around 25. North wind around 6 mph becoming calm in the evening.

    Low: 25 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Rain and snow, becoming all rain after 10am. High near 43. Southeast wind 6 to 13 mph becoming northeast in the afternoon. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

    High: 43 °F

    Rain/Snow
    then Rain

  • Tuesday Night

    Tuesday Night: Rain likely, mixing with snow after 10pm, then gradually ending. Cloudy during the early evening, then gradual clearing, with a low around 26. Northwest wind around 15 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 26 °F

    Rain/Snow
    Likely

  • Wednesday

    Wednesday: Sunny, with a high near 38.

    High: 38 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 27.

    Low: 27 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 40. Breezy.

    High: 40 °F

    Partly Sunny
    then Partly
    Sunny and
    Breezy

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 14.

    Low: 14 °F

    Mostly Clear

Detailed Forecast

Tonight
Cloudy early, then gradual clearing, with a low around 36. West wind around 16 mph, with gusts as high as 26 mph.
Monday
Sunny, with a high near 41. Northwest wind 10 to 16 mph.
Monday Night
Increasing clouds, with a low around 25. North wind around 6 mph becoming calm in the evening.
Tuesday
Rain and snow, becoming all rain after 10am. High near 43. Southeast wind 6 to 13 mph becoming northeast in the afternoon. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.
Tuesday Night
Rain likely, mixing with snow after 10pm, then gradually ending. Cloudy during the early evening, then gradual clearing, with a low around 26. Northwest wind around 15 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Wednesday
Sunny, with a high near 38.
Wednesday Night
Partly cloudy, with a low around 27.
Thursday
Partly sunny, with a high near 40. Breezy.
Thursday Night
Mostly clear, with a low around 14.
Friday
Sunny, with a high near 32.
Friday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 22.
Saturday
A 50 percent chance of rain. Mostly cloudy, with a high near 41.
Saturday Night
Mostly cloudy, with a low around 26.
Sunday
Partly sunny, with a high near 39.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Groton / New London Airport CT
 41.34°N 72.05°W (Elev. 49 ft)
Last Update:
5:44 pm EST Nov 30, 2025
Forecast Valid:
10pm EST Nov 30, 2025-6pm EST Dec 7, 2025
 
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Additional Resources

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