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

72°F

22°C

Humidity 91%
Wind Speed SW 7 mph
Barometer 30.08 in (1018.6 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Last update 17 Sep 10:56 pm EDT
Extended Forecast for

2 Miles SW Groton CT

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms, mainly before 4am. Mostly cloudy, with a low around 69. Southwest wind 8 to 10 mph.

    Low: 69 °F

    Chance
    Showers

  • Friday

    Friday: Sunny, with a high near 77. North wind 7 to 9 mph.

    High: 77 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 55. North wind 6 to 10 mph.

    Low: 55 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 66. Northeast wind 5 to 9 mph becoming southeast in the afternoon.

    High: 66 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 58. Southeast wind around 5 mph.

    Low: 58 °F

    Partly Cloudy

  • Sunday

    Sunday: Showers likely, mainly after 4pm. Mostly cloudy, with a high near 66. Chance of precipitation is 60%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 66 °F

    Chance
    Showers then
    Showers
    Likely

  • Sunday Night

    Sunday Night: Showers, mainly before 2am. Low around 60. Chance of precipitation is 80%.

    Low: 60 °F

    Showers

  • Monday

    Monday: A 30 percent chance of showers before 8am. Mostly cloudy, with a high near 67.

    High: 67 °F

    Chance
    Showers then
    Partly Sunny

  • Monday Night

    Monday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 56.

    Low: 56 °F

    Chance
    Showers

Detailed Forecast

Tonight
A 40 percent chance of showers and thunderstorms, mainly before 4am. Mostly cloudy, with a low around 69. Southwest wind 8 to 10 mph.
Friday
Sunny, with a high near 77. North wind 7 to 9 mph.
Friday Night
Partly cloudy, with a low around 55. North wind 6 to 10 mph.
Saturday
Mostly sunny, with a high near 66. Northeast wind 5 to 9 mph becoming southeast in the afternoon.
Saturday Night
Partly cloudy, with a low around 58. Southeast wind around 5 mph.
Sunday
Showers likely, mainly after 4pm. Mostly cloudy, with a high near 66. Chance of precipitation is 60%. New precipitation amounts between a half and three quarters of an inch possible.
Sunday Night
Showers, mainly before 2am. Low around 60. Chance of precipitation is 80%.
Monday
A 30 percent chance of showers before 8am. Mostly cloudy, with a high near 67.
Monday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 56.
Tuesday
Mostly cloudy, with a high near 62.
Tuesday Night
Mostly cloudy, with a low around 54. Breezy.
Wednesday
Mostly sunny, with a high near 63. Breezy.
Wednesday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 54.
Thursday
A 30 percent chance of showers. Partly sunny, with a high near 63. Breezy.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SW Groton CT
 41.3°N 72.09°W (Elev. 0 ft)
Last Update:
2:41 pm EDT Sep 17, 2026
Forecast Valid:
11pm EDT Sep 17, 2026-6pm EDT Sep 24, 2026
 
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Additional Resources

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Chance of Precipitation