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

62°F

17°C

Humidity 54%
Wind Speed SW 9 mph
Barometer 30.38 in (1028.6 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 2 Nov 10:56 am EST
Extended Forecast for

Deep River Center CT

  • Today

    Today: Mostly sunny, with a high near 66. Southwest wind 6 to 9 mph.

    High: 66 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 44. Light southwest wind.

    Low: 44 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 69. Calm wind becoming southwest around 6 mph.

    High: 69 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 48. Calm wind.

    Low: 48 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 70. Calm wind becoming southwest 5 to 7 mph in the morning.

    High: 70 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 53.

    Low: 53 °F

    Partly Cloudy

  • Thursday

    Thursday: A 40 percent chance of rain after 1pm. Mostly cloudy, with a high near 71.

    High: 71 °F

    Partly Sunny
    then Chance
    Rain

  • Thursday Night

    Thursday Night: Rain likely, mainly after 1am. Mostly cloudy, with a low around 56. Chance of precipitation is 70%.

    Low: 56 °F

    Rain Likely

  • Friday

    Friday: Rain likely. Mostly cloudy, with a high near 70. Chance of precipitation is 70%.

    High: 70 °F

    Rain Likely

Detailed Forecast

Today
Mostly sunny, with a high near 66. Southwest wind 6 to 9 mph.
Tonight
Partly cloudy, with a low around 44. Light southwest wind.
Tuesday
Mostly sunny, with a high near 69. Calm wind becoming southwest around 6 mph.
Tuesday Night
Partly cloudy, with a low around 48. Calm wind.
Wednesday
Sunny, with a high near 70. Calm wind becoming southwest 5 to 7 mph in the morning.
Wednesday Night
Partly cloudy, with a low around 53.
Thursday
A 40 percent chance of rain after 1pm. Mostly cloudy, with a high near 71.
Thursday Night
Rain likely, mainly after 1am. Mostly cloudy, with a low around 56. Chance of precipitation is 70%.
Friday
Rain likely. Mostly cloudy, with a high near 70. Chance of precipitation is 70%.
Friday Night
Rain likely. Mostly cloudy, with a low around 51. Chance of precipitation is 60%.
Saturday
A 50 percent chance of rain. Mostly cloudy, with a high near 67.
Saturday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 44.
Sunday
Mostly sunny, with a high near 63.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Deep River Center CT
 41.39°N 72.43°W (Elev. 49 ft)
Last Update:
6:19 am EST Nov 2, 2026
Forecast Valid:
11am EST Nov 2, 2026-6pm EST Nov 8, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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