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

53°F

12°C

Humidity 43%
Wind Speed W 9 mph
Barometer 30.24 in (1023.9 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Wind Chill50°F (10°C)
Last update 2 Nov 3:56 pm EST
Extended Forecast for

Stonington CT

  • Tonight

    Tonight: Partly cloudy, with a low around 40. West wind around 5 mph becoming calm in the evening.

    Low: 40 °F

    Partly Cloudy

  • Monday

    Monday: A slight chance of showers between 11am and 1pm, then rain likely after 1pm. Increasing clouds, with a high near 60. South wind 5 to 11 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 60 °F

    Slight Chance
    Showers then
    Rain Likely

  • Monday Night

    Monday Night: A 40 percent chance of showers before 1am. Cloudy during the early evening, then gradual clearing, with a low around 44. South wind 8 to 15 mph becoming northwest after midnight.

    Low: 44 °F

    Chance
    Showers

  • Tuesday

    Tuesday: Sunny, with a high near 58. West wind 15 to 18 mph, with gusts as high as 28 mph.

    High: 58 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 42. West wind 8 to 10 mph.

    Low: 42 °F

    Mostly Clear

  • Wednesday

    Wednesday: Partly sunny, with a high near 59.

    High: 59 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 42.

    Low: 42 °F

    Chance
    Showers

  • Thursday

    Thursday: Sunny, with a high near 53.

    High: 53 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 36.

    Low: 36 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 40. West wind around 5 mph becoming calm in the evening.
Monday
A slight chance of showers between 11am and 1pm, then rain likely after 1pm. Increasing clouds, with a high near 60. South wind 5 to 11 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday Night
A 40 percent chance of showers before 1am. Cloudy during the early evening, then gradual clearing, with a low around 44. South wind 8 to 15 mph becoming northwest after midnight.
Tuesday
Sunny, with a high near 58. West wind 15 to 18 mph, with gusts as high as 28 mph.
Tuesday Night
Mostly clear, with a low around 42. West wind 8 to 10 mph.
Wednesday
Partly sunny, with a high near 59.
Wednesday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 42.
Thursday
Sunny, with a high near 53.
Thursday Night
Mostly clear, with a low around 36.
Friday
Partly sunny, with a high near 58.
Friday Night
Showers likely. Mostly cloudy, with a low around 50. Chance of precipitation is 60%.
Saturday
A 30 percent chance of showers. Partly sunny, with a high near 60.
Saturday Night
Partly cloudy, with a low around 43.
Sunday
A 30 percent chance of showers. Partly sunny, with a high near 54.
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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:
12:53 pm EST Nov 2, 2025
Forecast Valid:
4pm EST Nov 2, 2025-6pm EST Nov 9, 2025
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation