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

23°F

-5°C

Humidity 92%
Wind Speed N 3 mph
Barometer 30.03 in (1016.9 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Last update 4 Dec 12:56 am EST
Extended Forecast for

Mystic CT

  • Overnight

    Overnight: Mostly clear, with a low around 26. West wind 3 to 6 mph.

    Low: 26 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly cloudy, then gradually becoming sunny, with a high near 40. Wind chill values between 20 and 30. West wind 8 to 18 mph, with gusts as high as 29 mph.

    High: 40 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 14. Wind chill values between 5 and 10. Blustery, with a north wind 15 to 20 mph decreasing to 8 to 13 mph after midnight. Winds could gust as high as 30 mph.

    Low: 14 °F

    Mostly Clear
    and Blustery
    then Mostly
    Clear

  • Friday

    Friday: Increasing clouds, with a high near 34. Wind chill values between 5 and 15. North wind around 6 mph becoming light and variable.

    High: 34 °F

    Increasing
    Clouds

  • Friday Night

    Friday Night: A 30 percent chance of light snow, mainly after 1am. Mostly cloudy, with a low around 25. Light and variable wind.

    Low: 25 °F

    Chance Light
    Snow

  • Saturday

    Saturday: A 30 percent chance of light rain before 1pm. Mostly cloudy, with a high near 43.

    High: 43 °F

    Chance Light
    Rain

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 27.

    Low: 27 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 42.

    High: 42 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 20.

    Low: 20 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 26. West wind 3 to 6 mph.
Thursday
Mostly cloudy, then gradually becoming sunny, with a high near 40. Wind chill values between 20 and 30. West wind 8 to 18 mph, with gusts as high as 29 mph.
Thursday Night
Mostly clear, with a low around 14. Wind chill values between 5 and 10. Blustery, with a north wind 15 to 20 mph decreasing to 8 to 13 mph after midnight. Winds could gust as high as 30 mph.
Friday
Increasing clouds, with a high near 34. Wind chill values between 5 and 15. North wind around 6 mph becoming light and variable.
Friday Night
A 30 percent chance of light snow, mainly after 1am. Mostly cloudy, with a low around 25. Light and variable wind.
Saturday
A 30 percent chance of light rain before 1pm. Mostly cloudy, with a high near 43.
Saturday Night
Partly cloudy, with a low around 27.
Sunday
Partly sunny, with a high near 42.
Sunday Night
Mostly cloudy, with a low around 20.
Monday
Mostly sunny, with a high near 30.
Monday Night
Mostly clear, with a low around 15.
Tuesday
Mostly sunny, with a high near 39.
Tuesday Night
A chance of rain and snow. Mostly cloudy, with a low around 28. Chance of precipitation is 40%.
Wednesday
A 30 percent chance of rain. Partly sunny, with a high near 44.
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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:
1:13 am EST Dec 4, 2025
Forecast Valid:
1am EST Dec 4, 2025-6pm EST Dec 10, 2025
 
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Additional Resources

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High Temperature

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Chance of Precipitation