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

28°F

-2°C

Humidity 39%
Wind Speed NW 12 G 23 mph
Barometer 30.15 in (1020.7 mb)
Dewpoint 6°F (-14°C)
Visibility 10.00 mi
Wind Chill18°F (-8°C)
Last update 8 Dec 5:56 am EST
Extended Forecast for

Deep River Center CT

  • Today

    Today: Mostly sunny, with a high near 29. Wind chill values between 15 and 20. North wind 8 to 14 mph, with gusts as high as 29 mph.

    High: 29 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 14. Light north wind.

    Low: 14 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Increasing clouds, with a high near 33. Wind chill values between 15 and 25. Calm wind becoming south around 6 mph in the afternoon.

    High: 33 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: A slight chance of snow before 1am, then a slight chance of rain and snow between 1am and 4am, then a slight chance of rain after 4am. Mostly cloudy, with a low around 30. Wind chill values between 20 and 25. Southwest wind 6 to 8 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.

    Low: 30 °F

    Slight Chance
    Snow then
    Slight Chance
    Rain/Snow

  • Wednesday

    Wednesday: Rain likely, mainly after 1pm. Mostly cloudy, with a high near 48. Southwest wind 6 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 48 °F

    Chance Rain
    then Rain
    Likely

  • Wednesday Night

    Wednesday Night: A 40 percent chance of rain before 1am. Mostly cloudy, with a low around 31.

    Low: 31 °F

    Chance Rain

  • Thursday

    Thursday: Mostly sunny, with a high near 40.

    High: 40 °F

    Mostly Sunny

  • Thursday Night

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

    Low: 24 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 38.

    High: 38 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 29. Wind chill values between 15 and 20. North wind 8 to 14 mph, with gusts as high as 29 mph.
Tonight
Partly cloudy, with a low around 14. Light north wind.
Tuesday
Increasing clouds, with a high near 33. Wind chill values between 15 and 25. Calm wind becoming south around 6 mph in the afternoon.
Tuesday Night
A slight chance of snow before 1am, then a slight chance of rain and snow between 1am and 4am, then a slight chance of rain after 4am. Mostly cloudy, with a low around 30. Wind chill values between 20 and 25. Southwest wind 6 to 8 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.
Wednesday
Rain likely, mainly after 1pm. Mostly cloudy, with a high near 48. Southwest wind 6 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
A 40 percent chance of rain before 1am. Mostly cloudy, with a low around 31.
Thursday
Mostly sunny, with a high near 40.
Thursday Night
Partly cloudy, with a low around 24.
Friday
Mostly sunny, with a high near 38.
Friday Night
A 40 percent chance of snow after 1am. Mostly cloudy, with a low around 23.
Saturday
A 40 percent chance of snow. Partly sunny, with a high near 35.
Saturday Night
Partly cloudy, with a low around 19.
Sunday
Mostly sunny, with a high near 32.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Deep River Center CT
 41.39°N 72.43°W (Elev. 49 ft)
Last Update:
4:40 am EST Dec 8, 2025
Forecast Valid:
6am EST Dec 8, 2025-6pm EST Dec 14, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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