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

48°F

9°C

Humidity 48%
Wind Speed W 13 mph
Barometer 29.75 in (1007.3 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Wind Chill43°F (6°C)
Last update 27 Nov 2:56 am EST
Extended Forecast for

2 Miles NNE Deep River CT

  • Overnight

    Overnight: Mostly clear, with a low around 35. West wind around 9 mph.

    Low: 35 °F

    Mostly Clear

  • Thanksgiving Day

    Thanksgiving Day: Mostly sunny, with a high near 45. West wind 9 to 16 mph, with gusts as high as 29 mph.

    High: 45 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 29. Wind chill values between 20 and 25. West wind 7 to 9 mph, with gusts as high as 23 mph.

    Low: 29 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 42. Wind chill values between 20 and 30. Breezy, with a west wind 11 to 16 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 37 mph.

    High: 42 °F

    Mostly Sunny
    and Breezy

  • Friday Night

    Friday Night: Mostly clear, with a low around 29. West wind 7 to 15 mph, with gusts as high as 34 mph.

    Low: 29 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 42.

    High: 42 °F

    Sunny

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 26.

    Low: 26 °F

    Increasing
    Clouds

  • Sunday

    Sunday: A 50 percent chance of rain after 1pm. Cloudy, with a high near 52.

    High: 52 °F

    Cloudy then
    Chance Rain

  • Sunday Night

    Sunday Night: Rain likely, mainly before 1am. Mostly cloudy, with a low around 35. Chance of precipitation is 70%.

    Low: 35 °F

    Rain Likely

Detailed Forecast

Overnight
Mostly clear, with a low around 35. West wind around 9 mph.
Thanksgiving Day
Mostly sunny, with a high near 45. West wind 9 to 16 mph, with gusts as high as 29 mph.
Thursday Night
Mostly clear, with a low around 29. Wind chill values between 20 and 25. West wind 7 to 9 mph, with gusts as high as 23 mph.
Friday
Mostly sunny, with a high near 42. Wind chill values between 20 and 30. Breezy, with a west wind 11 to 16 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 37 mph.
Friday Night
Mostly clear, with a low around 29. West wind 7 to 15 mph, with gusts as high as 34 mph.
Saturday
Sunny, with a high near 42.
Saturday Night
Increasing clouds, with a low around 26.
Sunday
A 50 percent chance of rain after 1pm. Cloudy, with a high near 52.
Sunday Night
Rain likely, mainly before 1am. Mostly cloudy, with a low around 35. Chance of precipitation is 70%.
Monday
Partly sunny, with a high near 45.
Monday Night
Mostly cloudy, with a low around 26.
Tuesday
A chance of rain and snow. Mostly cloudy, with a high near 40. Chance of precipitation is 40%.
Tuesday Night
A chance of rain and snow. Mostly cloudy, with a low around 26. Chance of precipitation is 30%.
Wednesday
Mostly sunny, with a high near 40.
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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:
1:06 am EST Nov 27, 2025
Forecast Valid:
3am EST Nov 27, 2025-6pm EST Dec 3, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation