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

46°F

8°C

Humidity 96%
Wind Speed W 6 mph
Barometer 30.05 in (1017.6 mb)
Dewpoint 45°F (7°C)
Visibility 8.00 mi
Wind Chill43°F (6°C)
Last update 9 Jan 10:56 pm EST
Extended Forecast for

2 Miles SW Groton CT

  • Tonight

    Tonight: Isolated showers before midnight. Mostly cloudy, with a low around 40. Southwest wind 9 to 15 mph becoming northwest after midnight. Chance of precipitation is 20%.

    Low: 40 °F

    Isolated
    Showers

  • Saturday

    Saturday: Rain, mainly after 4pm. High near 44. Northwest wind 6 to 8 mph becoming east in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 44 °F

    Partly Sunny
    then Rain

  • Saturday Night

    Saturday Night: Rain. Low around 39. East wind 8 to 11 mph becoming north after midnight. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 39 °F

    Rain

  • Sunday

    Sunday: A 40 percent chance of rain, mainly before 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 43. West wind 7 to 14 mph.

    High: 43 °F

    Chance Rain

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 31. Breezy, with a west wind 18 to 22 mph, with gusts as high as 32 mph.

    Low: 31 °F

    Partly Cloudy
    and Breezy

  • Monday

    Monday: Sunny, with a high near 39. Breezy.

    High: 39 °F

    Sunny and
    Breezy then
    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 35.

    Low: 35 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 42.

    High: 42 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 38.

    Low: 38 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Isolated showers before midnight. Mostly cloudy, with a low around 40. Southwest wind 9 to 15 mph becoming northwest after midnight. Chance of precipitation is 20%.
Saturday
Rain, mainly after 4pm. High near 44. Northwest wind 6 to 8 mph becoming east in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday Night
Rain. Low around 39. East wind 8 to 11 mph becoming north after midnight. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Sunday
A 40 percent chance of rain, mainly before 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 43. West wind 7 to 14 mph.
Sunday Night
Partly cloudy, with a low around 31. Breezy, with a west wind 18 to 22 mph, with gusts as high as 32 mph.
Monday
Sunny, with a high near 39. Breezy.
Monday Night
Partly cloudy, with a low around 35.
Tuesday
Sunny, with a high near 42.
Tuesday Night
Mostly cloudy, with a low around 38.
Wednesday
Mostly cloudy, with a high near 44.
Wednesday Night
Mostly cloudy, with a low around 35.
Thursday
Mostly cloudy, with a high near 40.
Thursday Night
A chance of rain and snow. Mostly cloudy, with a low around 26. Chance of precipitation is 30%.
Friday
Partly sunny, with a high near 33.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SW Groton CT
 41.3°N 72.09°W (Elev. 0 ft)
Last Update:
6:02 pm EST Jan 9, 2026
Forecast Valid:
11pm EST Jan 9, 2026-6pm EST Jan 16, 2026
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation