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.

Light Rain

50°F

10°C

Humidity 80%
Wind Speed E 12 mph
Barometer 29.53 in (999.9 mb)
Dewpoint 44°F (7°C)
Visibility 9.00 mi
Wind Chill45°F (7°C)
Last update 12 Nov 5:56 pm EST
Extended Forecast for

2 Miles E Deep River CT

  • Tonight

    Tonight: Showers before midnight, then rain after midnight. Low around 40. Northeast wind 11 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 40 °F

    Showers

  • Friday

    Friday: Rain, mainly before 4pm. High near 45. North wind 8 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 45 °F

    Rain

  • Friday Night

    Friday Night: A 30 percent chance of rain, mainly before 7pm. Mostly cloudy, with a low around 29. North wind 3 to 5 mph.

    Low: 29 °F

    Chance Rain
    then Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 48. Wind chill values between 25 and 35 early. Northwest wind 5 to 9 mph.

    High: 48 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 29. Northwest wind 3 to 6 mph.

    Low: 29 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 50.

    High: 50 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 32.

    Low: 32 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 52.

    High: 52 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 30.

    Low: 30 °F

    Mostly Clear

Detailed Forecast

Tonight
Showers before midnight, then rain after midnight. Low around 40. Northeast wind 11 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Friday
Rain, mainly before 4pm. High near 45. North wind 8 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
A 30 percent chance of rain, mainly before 7pm. Mostly cloudy, with a low around 29. North wind 3 to 5 mph.
Saturday
Partly sunny, with a high near 48. Wind chill values between 25 and 35 early. Northwest wind 5 to 9 mph.
Saturday Night
Mostly clear, with a low around 29. Northwest wind 3 to 6 mph.
Sunday
Mostly sunny, with a high near 50.
Sunday Night
Mostly clear, with a low around 32.
Monday
Sunny, with a high near 52.
Monday Night
Mostly clear, with a low around 30.
Tuesday
Sunny, with a high near 55.
Tuesday Night
Clear, with a low around 33.
Wednesday
Sunny, with a high near 60.
Wednesday Night
Clear, with a low around 35.
Thursday
Sunny, with a high near 62.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles E Deep River CT
 41.4°N 72.39°W (Elev. 197 ft)
Last Update:
5:04 pm EST Nov 12, 2026
Forecast Valid:
6pm EST Nov 12, 2026-6pm EST Nov 19, 2026
 
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