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

54°F

12°C

Humidity 51%
Wind Speed W 10 mph
Barometer 29.72 in (1006.2 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Wind Chill51°F (11°C)
Last update 9 Nov 8:56 am EST
Extended Forecast for

Groton / New London Airport CT

  • Today

    Today: A 40 percent chance of showers, mainly before 1pm. Mostly cloudy, then gradually becoming sunny, with a high near 57. Northwest wind 11 to 15 mph, with gusts as high as 28 mph.

    High: 57 °F

    Chance
    Showers

  • Tonight

    Tonight: Mostly clear, with a low around 37. Northwest wind 9 to 11 mph.

    Low: 37 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly cloudy, then becoming sunny during the afternoon, with a high near 58. West wind 9 to 14 mph.

    High: 58 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 41. West wind 8 to 10 mph.

    Low: 41 °F

    Clear

  • Veterans Day

    Veterans Day: Sunny, with a high near 59. West wind 7 to 11 mph.

    High: 59 °F

    Sunny

  • Wednesday Night

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

    Low: 38 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 57.

    High: 57 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Rain. Low around 40. Chance of precipitation is 80%.

    Low: 40 °F

    Rain

  • Friday

    Friday: Rain likely. Mostly cloudy, with a high near 52. Breezy. Chance of precipitation is 70%.

    High: 52 °F

    Rain Likely
    and Breezy

Detailed Forecast

Today
A 40 percent chance of showers, mainly before 1pm. Mostly cloudy, then gradually becoming sunny, with a high near 57. Northwest wind 11 to 15 mph, with gusts as high as 28 mph.
Tonight
Mostly clear, with a low around 37. Northwest wind 9 to 11 mph.
Tuesday
Mostly cloudy, then becoming sunny during the afternoon, with a high near 58. West wind 9 to 14 mph.
Tuesday Night
Clear, with a low around 41. West wind 8 to 10 mph.
Veterans Day
Sunny, with a high near 59. West wind 7 to 11 mph.
Wednesday Night
Mostly cloudy, with a low around 38.
Thursday
Mostly cloudy, with a high near 57.
Thursday Night
Rain. Low around 40. Chance of precipitation is 80%.
Friday
Rain likely. Mostly cloudy, with a high near 52. Breezy. Chance of precipitation is 70%.
Friday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 34.
Saturday
A 30 percent chance of rain. Partly sunny, with a high near 50.
Saturday Night
Partly cloudy, with a low around 32.
Sunday
Mostly sunny, with a high near 51.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Groton / New London Airport CT
 41.34°N 72.05°W (Elev. 49 ft)
Last Update:
9:20 am EST Nov 9, 2026
Forecast Valid:
9am EST Nov 9, 2026-6pm EST Nov 15, 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