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.

Partly Cloudy

35°F

2°C

Humidity 54%
Wind Speed W 12 G 20 mph
Barometer 29.80 in (1009.0 mb)
Dewpoint 20°F (-7°C)
Visibility 10.00 mi
Wind Chill27°F (-3°C)
Last update 28 Nov 4:56 am EST
Extended Forecast for

2 Miles NNE Deep River CT

  • Today

    Today: Mostly sunny, with a high near 44. Wind chill values between 20 and 30. Breezy, with a west wind 9 to 14 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 37 mph.

    High: 44 °F

    Mostly Sunny
    and Breezy

  • Tonight

    Tonight: Mostly clear, with a low around 29. West wind 7 to 14 mph, with gusts as high as 33 mph.

    Low: 29 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 43. Wind chill values between 25 and 35. Northwest wind 6 to 11 mph.

    High: 43 °F

    Sunny

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 28. Calm wind.

    Low: 28 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Showers, mainly after 1pm. High near 51. Light southeast wind becoming south 8 to 13 mph in the morning. Winds could gust as high as 23 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 51 °F

    Slight Chance
    Showers then
    Showers

  • Sunday Night

    Sunday Night: Rain showers likely before 1am, then a chance of sprinkles between 1am and 4am, then a chance of sprinkles and flurries after 4am. Cloudy, then gradually becoming partly cloudy, with a low around 32. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 32 °F

    Showers
    Likely then
    Rain/Flurries
    Likely

  • Monday

    Monday: A chance of flurries before 7am. Mostly sunny, with a high near 42.

    High: 42 °F

    Chance
    Flurries

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 25.

    Low: 25 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A chance of rain and snow before 1pm, then rain likely. Cloudy, with a high near 41. Chance of precipitation is 60%.

    High: 41 °F

    Chance
    Rain/Snow
    then
    Rain/Snow
    Likely

Detailed Forecast

Today
Mostly sunny, with a high near 44. Wind chill values between 20 and 30. Breezy, with a west wind 9 to 14 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 37 mph.
Tonight
Mostly clear, with a low around 29. West wind 7 to 14 mph, with gusts as high as 33 mph.
Saturday
Sunny, with a high near 43. Wind chill values between 25 and 35. Northwest wind 6 to 11 mph.
Saturday Night
Increasing clouds, with a low around 28. Calm wind.
Sunday
Showers, mainly after 1pm. High near 51. Light southeast wind becoming south 8 to 13 mph in the morning. Winds could gust as high as 23 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
Rain showers likely before 1am, then a chance of sprinkles between 1am and 4am, then a chance of sprinkles and flurries after 4am. Cloudy, then gradually becoming partly cloudy, with a low around 32. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
A chance of flurries before 7am. Mostly sunny, with a high near 42.
Monday Night
Mostly cloudy, with a low around 25.
Tuesday
A chance of rain and snow before 1pm, then rain likely. Cloudy, with a high near 41. Chance of precipitation is 60%.
Tuesday Night
A chance of rain before 1am, then a chance of rain and snow. Mostly cloudy, with a low around 27. Chance of precipitation is 50%.
Wednesday
Mostly sunny, with a high near 40.
Wednesday Night
Partly cloudy, with a low around 25.
Thursday
Mostly cloudy, with a high near 41.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNE Deep River CT
 41.43°N 72.42°W (Elev. 98 ft)
Last Update:
1:12 am EST Nov 28, 2025
Forecast Valid:
5am EST Nov 28, 2025-6pm EST Dec 4, 2025
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation