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 Fog/Mist

62°F

17°C

Humidity 100%
Wind Speed S 10 mph
Barometer 29.81 in (1009.4 mb)
Dewpoint 62°F (17°C)
Visibility 1.75 mi
Last update 6 Nov 4:56 pm EST
Extended Forecast for

3 Miles SW Ledyard CT

  • This Afternoon

    This Afternoon: Rain and possibly a thunderstorm. Steady temperature around 64. South wind around 8 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 64 °F

    Rain

  • Tonight

    Tonight: Rain and possibly a thunderstorm before 1am, then rain likely. Low around 56. Southwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 56 °F

    Rain

  • Saturday

    Saturday: A chance of rain before 7am, then a chance of showers, mainly between 7am and 10am. Mostly sunny, with a high near 66. West wind 3 to 7 mph. Chance of precipitation is 30%.

    High: 66 °F

    Chance Rain

  • Saturday Night

    Saturday Night: A 20 percent chance of rain after 1am. Partly cloudy, with a low around 41. West wind 8 to 11 mph.

    Low: 41 °F

    Partly Cloudy
    then Slight
    Chance Rain

  • Sunday

    Sunday: Mostly sunny, with a high near 61. West wind 8 to 13 mph.

    High: 61 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 41.

    Low: 41 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 59.

    High: 59 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 36.

    Low: 36 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 61.

    High: 61 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Rain and possibly a thunderstorm. Steady temperature around 64. South wind around 8 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Rain and possibly a thunderstorm before 1am, then rain likely. Low around 56. Southwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Saturday
A chance of rain before 7am, then a chance of showers, mainly between 7am and 10am. Mostly sunny, with a high near 66. West wind 3 to 7 mph. Chance of precipitation is 30%.
Saturday Night
A 20 percent chance of rain after 1am. Partly cloudy, with a low around 41. West wind 8 to 11 mph.
Sunday
Mostly sunny, with a high near 61. West wind 8 to 13 mph.
Sunday Night
Mostly clear, with a low around 41.
Monday
Sunny, with a high near 59.
Monday Night
Mostly clear, with a low around 36.
Tuesday
Mostly sunny, with a high near 61.
Tuesday Night
Mostly clear, with a low around 39.
Veterans Day
Sunny, with a high near 60.
Wednesday Night
Partly cloudy, with a low around 31.
Thursday
Mostly sunny, with a high near 54.
Thursday Night
Partly cloudy, with a low around 29.
Friday
Mostly sunny, with a high near 51.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SW Ledyard CT
 41.42°N 72.03°W (Elev. 233 ft)
Last Update:
1:27 pm EST Nov 6, 2026
Forecast Valid:
5pm EST Nov 6, 2026-6pm EST Nov 13, 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