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.

Rain Fog/Mist

38°F

3°C

Humidity 97%
Wind Speed N 6 mph
Barometer 29.87 in (1011.4 mb)
Dewpoint 37°F (3°C)
Visibility 3.00 mi
Wind Chill33°F (1°C)
Last update 2 Dec 12:56 pm EST
Extended Forecast for

Stonington CT

  • This Afternoon

    This Afternoon: Rain. High near 47. Northeast wind 8 to 13 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 47 °F

    Rain

  • Tonight

    Tonight: Rain, mainly before 1am. Low around 30. Northwest wind around 11 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 30 °F

    Rain then
    Chance Rain

  • Wednesday

    Wednesday: Sunny, with a high near 42. Wind chill values between 25 and 35. Northwest wind 6 to 8 mph.

    High: 42 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a steady temperature around 34. Calm wind becoming west 5 to 8 mph after midnight.

    Low: 34 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 41. West wind 9 to 14 mph, with gusts as high as 28 mph.

    High: 41 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 15.

    Low: 15 °F

    Mostly Clear

  • Friday

    Friday: Increasing clouds, with a high near 35.

    High: 35 °F

    Increasing
    Clouds

  • Friday Night

    Friday Night: A 30 percent chance of snow after 1am. Mostly cloudy, with a low around 25.

    Low: 25 °F

    Mostly Cloudy
    then Chance
    Snow

  • Saturday

    Saturday: A 40 percent chance of rain. Partly sunny, with a high near 41.

    High: 41 °F

    Chance Rain

Detailed Forecast

This Afternoon
Rain. High near 47. Northeast wind 8 to 13 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Tonight
Rain, mainly before 1am. Low around 30. Northwest wind around 11 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
Sunny, with a high near 42. Wind chill values between 25 and 35. Northwest wind 6 to 8 mph.
Wednesday Night
Partly cloudy, with a steady temperature around 34. Calm wind becoming west 5 to 8 mph after midnight.
Thursday
Partly sunny, with a high near 41. West wind 9 to 14 mph, with gusts as high as 28 mph.
Thursday Night
Mostly clear, with a low around 15.
Friday
Increasing clouds, with a high near 35.
Friday Night
A 30 percent chance of snow after 1am. Mostly cloudy, with a low around 25.
Saturday
A 40 percent chance of rain. Partly sunny, with a high near 41.
Saturday Night
Partly cloudy, with a low around 27.
Sunday
Mostly sunny, with a high near 38.
Sunday Night
Mostly cloudy, with a low around 19.
Monday
Mostly sunny, with a high near 31.
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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:
1:01 pm EST Dec 2, 2025
Forecast Valid:
1pm EST Dec 2, 2025-6pm EST Dec 8, 2025
 
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