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

2 Miles NNE Deep River CT

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 35. West wind 7 to 10 mph, with gusts as high as 22 mph.

    Low: 35 °F

    Decreasing
    Clouds

  • Monday

    Monday: Sunny, with a high near 42. Northwest wind 7 to 14 mph, with gusts as high as 25 mph.

    High: 42 °F

    Sunny

  • Monday Night

    Monday Night: Increasing clouds, with a low around 24. Calm wind.

    Low: 24 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Rain and snow, becoming all rain after 1pm. High near 43. Calm wind becoming northeast 5 to 8 mph in the afternoon. Chance of precipitation is 100%. New snow accumulation of less than one inch possible.

    High: 43 °F

    Rain/Snow

  • Tuesday Night

    Tuesday Night: A chance of rain and snow before 1am. Cloudy during the early evening, then gradual clearing, with a low around 25. Northwest wind around 9 mph, with gusts as high as 21 mph. Chance of precipitation is 50%.

    Low: 25 °F

    Chance
    Rain/Snow

  • Wednesday

    Wednesday: Sunny, with a high near 39.

    High: 39 °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 41.

    High: 41 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 13.

    Low: 13 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 35. West wind 7 to 10 mph, with gusts as high as 22 mph.
Monday
Sunny, with a high near 42. Northwest wind 7 to 14 mph, with gusts as high as 25 mph.
Monday Night
Increasing clouds, with a low around 24. Calm wind.
Tuesday
Rain and snow, becoming all rain after 1pm. High near 43. Calm wind becoming northeast 5 to 8 mph in the afternoon. Chance of precipitation is 100%. New snow accumulation of less than one inch possible.
Tuesday Night
A chance of rain and snow before 1am. Cloudy during the early evening, then gradual clearing, with a low around 25. Northwest wind around 9 mph, with gusts as high as 21 mph. Chance of precipitation is 50%.
Wednesday
Sunny, with a high near 39.
Wednesday Night
Partly cloudy, with a low around 27.
Thursday
Partly sunny, with a high near 41.
Thursday Night
Mostly clear, with a low around 13.
Friday
Mostly sunny, with a high near 32.
Friday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 21.
Saturday
A 40 percent chance of rain. Mostly cloudy, with a high near 40.
Saturday Night
Mostly cloudy, with a low around 26.
Sunday
Partly sunny, with a high near 39.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNE Deep River CT
 41.43°N 72.42°W (Elev. 98 ft)
Last Update:
5:44 pm EST Nov 30, 2025
Forecast Valid:
10pm EST Nov 30, 2025-6pm EST Dec 7, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation