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.

Overcast

40°F

4°C

Humidity 73%
Wind Speed W 7 mph
Barometer 30.03 in (1017.0 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 24 Nov 5:56 am EST
Extended Forecast for

2 Miles NNE Deep River CT

  • Today

    Today: Partly sunny, then gradually becoming sunny, with a high near 49. Northwest wind 6 to 11 mph, with gusts as high as 21 mph.

    High: 49 °F

    Becoming
    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 33. Calm wind.

    Low: 33 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: A 30 percent chance of rain after 1pm. Cloudy, with a high near 54. Calm wind becoming southwest 5 to 9 mph in the morning.

    High: 54 °F

    Cloudy then
    Chance Rain

  • Tuesday Night

    Tuesday Night: Rain. Low around 47. South wind 3 to 6 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 47 °F

    Rain

  • Wednesday

    Wednesday: Rain likely, mainly before 1pm. Cloudy, with a high near 60. South wind 5 to 7 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 60 °F

    Rain Likely

  • Wednesday Night

    Wednesday Night: A 30 percent chance of rain before 1am. Cloudy, then gradually becoming partly cloudy, with a low around 38.

    Low: 38 °F

    Chance Rain

  • Thanksgiving Day

    Thanksgiving Day: Mostly sunny, with a high near 46.

    High: 46 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 31.

    Low: 31 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 43. Breezy.

    High: 43 °F

    Mostly Sunny
    and Breezy

Detailed Forecast

Today
Partly sunny, then gradually becoming sunny, with a high near 49. Northwest wind 6 to 11 mph, with gusts as high as 21 mph.
Tonight
Increasing clouds, with a low around 33. Calm wind.
Tuesday
A 30 percent chance of rain after 1pm. Cloudy, with a high near 54. Calm wind becoming southwest 5 to 9 mph in the morning.
Tuesday Night
Rain. Low around 47. South wind 3 to 6 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
Rain likely, mainly before 1pm. Cloudy, with a high near 60. South wind 5 to 7 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
A 30 percent chance of rain before 1am. Cloudy, then gradually becoming partly cloudy, with a low around 38.
Thanksgiving Day
Mostly sunny, with a high near 46.
Thursday Night
Mostly clear, with a low around 31.
Friday
Mostly sunny, with a high near 43. Breezy.
Friday Night
Mostly clear, with a low around 28.
Saturday
Sunny, with a high near 42.
Saturday Night
Mostly cloudy, with a low around 28.
Sunday
Mostly cloudy, with a high near 48.
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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:
4:17 am EST Nov 24, 2025
Forecast Valid:
6am EST Nov 24, 2025-6pm EST Nov 30, 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