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

28°F

-2°C

Humidity 81%
Wind Speed NE 3 mph
Barometer 30.05 in (1017.6 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Last update 3 Dec 7:56 pm EST
Extended Forecast for

Mystic CT

  • Tonight

    Tonight: Mostly clear, with a steady temperature around 32. Wind chill values between 25 and 30. Calm wind becoming west 5 to 7 mph after midnight.

    Low: 32 °F

    Mostly Clear

  • Thursday

    Thursday: Increasing clouds, with a high near 40. Wind chill values between 25 and 35. West wind 8 to 14 mph, with gusts as high as 31 mph.

    High: 40 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 13. Wind chill values between 5 and 10. Northwest wind 6 to 14 mph, with gusts as high as 37 mph.

    Low: 13 °F

    Mostly Clear

  • Friday

    Friday: Increasing clouds, with a high near 32. Wind chill values between 5 and 15. Light and variable wind becoming southwest 5 to 7 mph in the afternoon.

    High: 32 °F

    Increasing
    Clouds

  • Friday Night

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

    Low: 25 °F

    Chance Light
    Snow

  • Saturday

    Saturday: A 40 percent chance of rain. Mostly cloudy, with a high near 40.

    High: 40 °F

    Chance Rain

  • Saturday Night

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

    Low: 27 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 41.

    High: 41 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 21.

    Low: 21 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a steady temperature around 32. Wind chill values between 25 and 30. Calm wind becoming west 5 to 7 mph after midnight.
Thursday
Increasing clouds, with a high near 40. Wind chill values between 25 and 35. West wind 8 to 14 mph, with gusts as high as 31 mph.
Thursday Night
Mostly clear, with a low around 13. Wind chill values between 5 and 10. Northwest wind 6 to 14 mph, with gusts as high as 37 mph.
Friday
Increasing clouds, with a high near 32. Wind chill values between 5 and 15. Light and variable wind becoming southwest 5 to 7 mph in the afternoon.
Friday Night
A 30 percent chance of light snow. Mostly cloudy, with a low around 25. Light and variable wind.
Saturday
A 40 percent chance of rain. Mostly cloudy, with a high near 40.
Saturday Night
Partly cloudy, with a low around 27.
Sunday
Mostly sunny, with a high near 41.
Sunday Night
Mostly cloudy, with a low around 21.
Monday
Mostly sunny, with a high near 31.
Monday Night
Mostly clear, with a low around 14.
Tuesday
Mostly sunny, with a high near 37.
Tuesday Night
A chance of rain and snow. Mostly cloudy, with a low around 27. Chance of precipitation is 30%.
Wednesday
A 30 percent chance of rain. Partly sunny, with a high near 44.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mystic CT
 41.35°N 71.96°W (Elev. 0 ft)
Last Update:
4:09 pm EST Dec 3, 2025
Forecast Valid:
8pm EST Dec 3, 2025-6pm EST Dec 10, 2025
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation