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

23°F

-5°C

Humidity 92%
Wind Speed NW 3 mph
Barometer 29.99 in (1015.6 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Last update 4 Dec 2:56 am EST
Extended Forecast for

2 Miles NNE Deep River CT

  • Overnight

    Overnight: Mostly clear, with a steady temperature around 28. Light southwest wind.

    Low: 28 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly cloudy, then gradually becoming sunny, with a high near 39. Wind chill values between 20 and 30. West wind 6 to 16 mph, with gusts as high as 26 mph.

    High: 39 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 13. Wind chill values between 5 and 10. Northwest wind 12 to 17 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 29 mph.

    Low: 13 °F

    Mostly Clear

  • Friday

    Friday: Increasing clouds, with a high near 31. Wind chill values between 5 and 15. Calm wind becoming southwest around 5 mph.

    High: 31 °F

    Increasing
    Clouds

  • Friday Night

    Friday Night: A 30 percent chance of light snow, mainly after 1am. Mostly cloudy, with a low around 22. Calm wind.

    Low: 22 °F

    Chance Light
    Snow

  • Saturday

    Saturday: A 30 percent chance of light snow before 10am. Mostly cloudy, with a high near 41.

    High: 41 °F

    Chance Light
    Snow then
    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 24.

    Low: 24 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 41.

    High: 41 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 19.

    Low: 19 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a steady temperature around 28. Light southwest wind.
Thursday
Mostly cloudy, then gradually becoming sunny, with a high near 39. Wind chill values between 20 and 30. West wind 6 to 16 mph, with gusts as high as 26 mph.
Thursday Night
Mostly clear, with a low around 13. Wind chill values between 5 and 10. Northwest wind 12 to 17 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 29 mph.
Friday
Increasing clouds, with a high near 31. Wind chill values between 5 and 15. Calm wind becoming southwest around 5 mph.
Friday Night
A 30 percent chance of light snow, mainly after 1am. Mostly cloudy, with a low around 22. Calm wind.
Saturday
A 30 percent chance of light snow before 10am. Mostly cloudy, with a high near 41.
Saturday Night
Partly cloudy, with a low around 24.
Sunday
Partly sunny, with a high near 41.
Sunday Night
Partly cloudy, with a low around 19.
Monday
Mostly sunny, with a high near 29.
Monday Night
Mostly clear, with a low around 13.
Tuesday
Mostly sunny, with a high near 37.
Tuesday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 26.
Wednesday
A 30 percent chance of rain. Partly sunny, with a high near 43.
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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:
2:27 am EST Dec 4, 2025
Forecast Valid:
3am EST Dec 4, 2025-6pm EST Dec 10, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation