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.

Fair

29°F

-2°C

Humidity 89%
Wind Speed NE 6 mph
Barometer 30.03 in (1016.9 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Wind Chill23°F (-5°C)
Last update 23 Nov 7:56 am EST
Extended Forecast for

Stonington CT

  • Today

    Today: Mostly sunny, with a high near 47. Light west wind becoming southwest 5 to 9 mph in the morning.

    High: 47 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 35. West wind 7 to 10 mph, with gusts as high as 22 mph.

    Low: 35 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 48. Northwest wind 8 to 13 mph, with gusts as high as 24 mph.

    High: 48 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 33. Calm wind becoming southwest around 5 mph after midnight.

    Low: 33 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of rain after 1pm. Cloudy, with a high near 53. Southwest wind 6 to 10 mph.

    High: 53 °F

    Mostly Cloudy
    then Chance
    Rain

  • Tuesday Night

    Tuesday Night: Rain. Low around 48. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 48 °F

    Rain

  • Wednesday

    Wednesday: A 30 percent chance of rain. Mostly cloudy, with a high near 58.

    High: 58 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: A 30 percent chance of rain before 1am. Mostly cloudy, with a low around 40.

    Low: 40 °F

    Chance Rain

  • Thanksgiving Day

    Thanksgiving Day: Mostly sunny, with a high near 48.

    High: 48 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 47. Light west wind becoming southwest 5 to 9 mph in the morning.
Tonight
Partly cloudy, with a low around 35. West wind 7 to 10 mph, with gusts as high as 22 mph.
Monday
Sunny, with a high near 48. Northwest wind 8 to 13 mph, with gusts as high as 24 mph.
Monday Night
Partly cloudy, with a low around 33. Calm wind becoming southwest around 5 mph after midnight.
Tuesday
A 30 percent chance of rain after 1pm. Cloudy, with a high near 53. Southwest wind 6 to 10 mph.
Tuesday Night
Rain. Low around 48. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
A 30 percent chance of rain. Mostly cloudy, with a high near 58.
Wednesday Night
A 30 percent chance of rain before 1am. Mostly cloudy, with a low around 40.
Thanksgiving Day
Mostly sunny, with a high near 48.
Thursday Night
Mostly clear, with a low around 32.
Friday
Sunny, with a high near 43.
Friday Night
Mostly clear, with a low around 29.
Saturday
Sunny, with a high near 42.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Stonington CT
 41.35°N 71.93°W (Elev. 3 ft)
Last Update:
4:14 am EST Nov 23, 2025
Forecast Valid:
9am EST Nov 23, 2025-6pm EST Nov 29, 2025
 
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