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.

Fog/Mist

54°F

12°C

Humidity 100%
Wind Speed W 7 mph
Barometer 29.66 in (1004.5 mb)
Dewpoint 54°F (12°C)
Visibility 1.50 mi
Wind Chill52°F (11°C)
Last update 26 Nov 9:56 pm EST
Extended Forecast for

Mystic CT

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 37. West wind 8 to 18 mph, with gusts as high as 31 mph.

    Low: 37 °F

    Decreasing
    Clouds

  • Thanksgiving Day

    Thanksgiving Day: Sunny, with a high near 45. West wind 14 to 16 mph, with gusts as high as 31 mph.

    High: 45 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 30. Wind chill values between 20 and 25. West wind 11 to 13 mph, with gusts as high as 32 mph.

    Low: 30 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 43. Wind chill values between 20 and 30. Breezy, with a west wind 14 to 20 mph, with gusts as high as 40 mph.

    High: 43 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

  • Friday Night

    Friday Night: Mostly clear, with a low around 29. West wind 9 to 16 mph, with gusts as high as 36 mph.

    Low: 29 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 42.

    High: 42 °F

    Sunny

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 28.

    Low: 28 °F

    Increasing
    Clouds

  • Sunday

    Sunday: A 30 percent chance of showers after 1pm. Cloudy, with a high near 52.

    High: 52 °F

    Cloudy then
    Chance
    Showers

  • Sunday Night

    Sunday Night: A 50 percent chance of showers. Cloudy, with a low around 36.

    Low: 36 °F

    Chance
    Showers

Detailed Forecast

Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 37. West wind 8 to 18 mph, with gusts as high as 31 mph.
Thanksgiving Day
Sunny, with a high near 45. West wind 14 to 16 mph, with gusts as high as 31 mph.
Thursday Night
Mostly clear, with a low around 30. Wind chill values between 20 and 25. West wind 11 to 13 mph, with gusts as high as 32 mph.
Friday
Mostly sunny, with a high near 43. Wind chill values between 20 and 30. Breezy, with a west wind 14 to 20 mph, with gusts as high as 40 mph.
Friday Night
Mostly clear, with a low around 29. West wind 9 to 16 mph, with gusts as high as 36 mph.
Saturday
Sunny, with a high near 42.
Saturday Night
Increasing clouds, with a low around 28.
Sunday
A 30 percent chance of showers after 1pm. Cloudy, with a high near 52.
Sunday Night
A 50 percent chance of showers. Cloudy, with a low around 36.
Monday
Mostly cloudy, with a high near 46.
Monday Night
A 30 percent chance of light snow. Mostly cloudy, with a low around 28.
Tuesday
A chance of rain and snow. Mostly cloudy, with a high near 41. Chance of precipitation is 50%.
Tuesday Night
A chance of rain and snow. Mostly cloudy, with a low around 28. Chance of precipitation is 50%.
Wednesday
A 30 percent chance of light snow. Partly sunny, with a high near 40.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mystic CT
 41.35°N 71.96°W (Elev. 0 ft)
Last Update:
6:26 pm EST Nov 26, 2025
Forecast Valid:
10pm EST Nov 26, 2025-6pm EST Dec 3, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation