National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Groton / New London, Groton / New London Airport (KGON)

Lat: 41.33°NLon: 72.05°WElev: 10ft.

Light Rain

65°F

18°C

Humidity 93%
Wind Speed SW 10 mph
Barometer 29.86 in (1011.1 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 6 Nov 3:56 am EST
Extended Forecast for

Ledyard CT

  • Overnight

    Overnight: Rain and possibly a thunderstorm. Low around 63. Southwest wind around 8 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 63 °F

    Rain

  • Friday

    Friday: Rain and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 67. South wind around 8 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.

    High: 67 °F

    Heavy Rain

  • Friday Night

    Friday Night: Rain and possibly a thunderstorm before 1am, then rain likely. Low around 55. Calm wind. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 55 °F

    Rain

  • Saturday

    Saturday: A 30 percent chance of rain before 7am. Mostly sunny, with a high near 67. Calm wind becoming west around 6 mph in the morning.

    High: 67 °F

    Chance Rain
    then Sunny

  • Saturday Night

    Saturday Night: A 30 percent chance of showers, mainly before 1am. Mostly cloudy, with a low around 42. West wind 5 to 11 mph, with gusts as high as 21 mph.

    Low: 42 °F

    Chance
    Showers

  • Sunday

    Sunday: Mostly sunny, with a high near 61.

    High: 61 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 40.

    Low: 40 °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

Detailed Forecast

Overnight
Rain and possibly a thunderstorm. Low around 63. Southwest wind around 8 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
Rain and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 67. South wind around 8 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Friday Night
Rain and possibly a thunderstorm before 1am, then rain likely. Low around 55. Calm wind. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Saturday
A 30 percent chance of rain before 7am. Mostly sunny, with a high near 67. Calm wind becoming west around 6 mph in the morning.
Saturday Night
A 30 percent chance of showers, mainly before 1am. Mostly cloudy, with a low around 42. West wind 5 to 11 mph, with gusts as high as 21 mph.
Sunday
Mostly sunny, with a high near 61.
Sunday Night
Mostly clear, with a low around 40.
Monday
Sunny, with a high near 59.
Monday Night
Mostly clear, with a low around 36.
Tuesday
Sunny, with a high near 61.
Tuesday Night
Mostly clear, with a low around 38.
Veterans Day
Sunny, with a high near 60.
Wednesday Night
Mostly clear, with a low around 30.
Thursday
Mostly sunny, with a high near 56.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Ledyard CT
 41.45°N 72.03°W (Elev. 184 ft)
Last Update:
2:56 am EST Nov 6, 2026
Forecast Valid:
4am EST Nov 6, 2026-6pm EST Nov 12, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation