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

41°F

5°C

Humidity 70%
Wind Speed W 7 mph
Barometer 29.84 in (1010.5 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill36°F (2°C)
Last update 6 Dec 3:56 pm EST
Extended Forecast for

2 Miles NNE Deep River CT

  • Tonight

    Tonight: Partly cloudy, with a low around 25. Calm wind.

    Low: 25 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 41. Light and variable wind.

    High: 41 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 22. Calm wind becoming northwest 5 to 7 mph after midnight.

    Low: 22 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 29. Wind chill values between 10 and 15. North wind 10 to 14 mph, with gusts as high as 24 mph.

    High: 29 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 12. North wind around 6 mph becoming calm in the evening.

    Low: 12 °F

    Mostly Clear

  • Tuesday

    Tuesday: Increasing clouds, with a high near 37.

    High: 37 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 29.

    Low: 29 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 40 percent chance of rain. Mostly cloudy, with a high near 46.

    High: 46 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: A 40 percent chance of rain. Mostly cloudy, with a low around 32.

    Low: 32 °F

    Chance Rain

Detailed Forecast

Tonight
Partly cloudy, with a low around 25. Calm wind.
Sunday
Partly sunny, with a high near 41. Light and variable wind.
Sunday Night
Partly cloudy, with a low around 22. Calm wind becoming northwest 5 to 7 mph after midnight.
Monday
Sunny, with a high near 29. Wind chill values between 10 and 15. North wind 10 to 14 mph, with gusts as high as 24 mph.
Monday Night
Mostly clear, with a low around 12. North wind around 6 mph becoming calm in the evening.
Tuesday
Increasing clouds, with a high near 37.
Tuesday Night
Mostly cloudy, with a low around 29.
Wednesday
A 40 percent chance of rain. Mostly cloudy, with a high near 46.
Wednesday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 32.
Thursday
A 30 percent chance of rain before 1pm. Partly sunny, with a high near 43.
Thursday Night
A chance of rain and snow. Mostly cloudy, with a low around 26. Chance of precipitation is 30%.
Friday
A chance of rain and snow. Partly sunny, with a high near 40. Chance of precipitation is 30%.
Friday Night
A 30 percent chance of snow. Partly cloudy, with a low around 21.
Saturday
Mostly sunny, with a high near 33.
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Forecast Area
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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:
12:55 pm EST Dec 6, 2025
Forecast Valid:
4pm EST Dec 6, 2025-6pm EST Dec 13, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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