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

60°F

16°C

Humidity 50%
Wind Speed W 12 G 20 mph
Barometer 29.71 in (1006.0 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Last update 8 Nov 2:56 pm EST
Extended Forecast for

2 Miles NE Deep River CT

  • Tonight

    Tonight: Mostly clear, with a low around 39. West wind 3 to 5 mph.

    Low: 39 °F

    Mostly Clear

  • Monday

    Monday: A 20 percent chance of rain before 1pm. Mostly cloudy, then gradually becoming sunny, with a high near 59. Northwest wind 6 to 11 mph, with gusts as high as 23 mph.

    High: 59 °F

    Slight Chance
    Rain

  • Monday Night

    Monday Night: Mostly clear, with a low around 36. Northwest wind 3 to 7 mph.

    Low: 36 °F

    Mostly Clear

  • Tuesday

    Tuesday: Patchy frost before 8am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 60. Light west wind increasing to 5 to 9 mph in the morning.

    High: 60 °F

    Patchy Frost
    then Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 38. Light west wind.

    Low: 38 °F

    Clear

  • Veterans Day

    Veterans Day: Sunny, with a high near 61.

    High: 61 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 36.

    Low: 36 °F

    Partly Cloudy

  • Thursday

    Thursday: A 30 percent chance of rain after 1pm. Mostly cloudy, with a high near 56.

    High: 56 °F

    Partly Sunny
    then Chance
    Rain

  • Thursday Night

    Thursday Night: Rain likely. Mostly cloudy, with a low around 36. Chance of precipitation is 70%.

    Low: 36 °F

    Rain Likely

Detailed Forecast

Tonight
Mostly clear, with a low around 39. West wind 3 to 5 mph.
Monday
A 20 percent chance of rain before 1pm. Mostly cloudy, then gradually becoming sunny, with a high near 59. Northwest wind 6 to 11 mph, with gusts as high as 23 mph.
Monday Night
Mostly clear, with a low around 36. Northwest wind 3 to 7 mph.
Tuesday
Patchy frost before 8am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 60. Light west wind increasing to 5 to 9 mph in the morning.
Tuesday Night
Clear, with a low around 38. Light west wind.
Veterans Day
Sunny, with a high near 61.
Wednesday Night
Partly cloudy, with a low around 36.
Thursday
A 30 percent chance of rain after 1pm. Mostly cloudy, with a high near 56.
Thursday Night
Rain likely. Mostly cloudy, with a low around 36. Chance of precipitation is 70%.
Friday
Rain. High near 47. Chance of precipitation is 80%.
Friday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 31.
Saturday
A 30 percent chance of rain. Partly sunny, with a high near 46.
Saturday Night
Partly cloudy, with a low around 30.
Sunday
Mostly sunny, with a high near 48.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NE Deep River CT
 41.4°N 72.39°W (Elev. 197 ft)
Last Update:
1:44 pm EST Nov 8, 2026
Forecast Valid:
3pm EST Nov 8, 2026-6pm EST Nov 15, 2026
 
Forecast Discussion
 
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Additional Resources

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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