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

60°F

16°C

Humidity 96%
Wind Speed SW 3 mph
Barometer 30.02 in (1016.6 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 4 Nov 11:56 pm EST
Extended Forecast for

New London CT

  • Overnight

    Overnight: Mostly cloudy, with a low around 58. Southwest wind around 5 mph.

    Low: 58 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 71. South wind 6 to 11 mph, with gusts as high as 21 mph.

    High: 71 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A chance of rain, then rain and possibly a thunderstorm after 1am. Low around 60. Southwest wind around 7 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 60 °F

    Chance Rain
    then Rain

  • Friday

    Friday: Rain and possibly a thunderstorm. High near 69. South wind 3 to 6 mph. Chance of precipitation is 80%. New rainfall amounts between 1 and 2 inches possible.

    High: 69 °F

    Rain

  • Friday Night

    Friday Night: Rain and possibly a thunderstorm before 1am, then a chance of rain. Low around 55. Calm wind. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 55 °F

    Rain

  • Saturday

    Saturday: Partly sunny, with a high near 66.

    High: 66 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 30 percent chance of rain. Mostly cloudy, with a low around 44.

    Low: 44 °F

    Chance Rain

  • Sunday

    Sunday: Mostly sunny, with a high near 59.

    High: 59 °F

    Mostly Sunny

  • Sunday Night

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

    Low: 40 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 58. Southwest wind around 5 mph.
Thursday
Partly sunny, with a high near 71. South wind 6 to 11 mph, with gusts as high as 21 mph.
Thursday Night
A chance of rain, then rain and possibly a thunderstorm after 1am. Low around 60. Southwest wind around 7 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Friday
Rain and possibly a thunderstorm. High near 69. South wind 3 to 6 mph. Chance of precipitation is 80%. New rainfall amounts between 1 and 2 inches possible.
Friday Night
Rain and possibly a thunderstorm before 1am, then a chance of rain. Low around 55. Calm wind. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Saturday
Partly sunny, with a high near 66.
Saturday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 44.
Sunday
Mostly sunny, with a high near 59.
Sunday Night
Mostly clear, with a low around 40.
Monday
Sunny, with a high near 58.
Monday Night
Mostly clear, with a low around 38.
Tuesday
Sunny, with a high near 61.
Tuesday Night
Mostly clear, with a low around 38.
Veterans Day
Sunny, with a high near 58.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
New London CT
 41.35°N 72.11°W (Elev. 98 ft)
Last Update:
9:37 pm EST Nov 4, 2026
Forecast Valid:
12am EST Nov 5, 2026-6pm EST Nov 11, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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