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.

Mostly Cloudy

30°F

-1°C

Humidity 39%
Wind Speed NW 14 G 23 mph
Barometer 29.83 in (1010.2 mb)
Dewpoint 8°F (-13°C)
Visibility 10.00 mi
Wind Chill19°F (-7°C)
Last update 24 Feb 4:56 pm EST
Extended Forecast for

Mystic CT

  • Tonight

    Tonight: A 30 percent chance of snow after 4am. Increasing clouds, with a low around 14. West wind 5 to 7 mph becoming calm.

    Low: 14 °F

    Mostly Clear
    then Chance
    Snow

  • Wednesday

    Wednesday: Rain and snow, becoming all rain after noon, then gradually ending. High near 39. Wind chill values between 20 and 30. Southwest wind 9 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 2 inches possible.

    High: 39 °F

    Rain/Snow
    then Rain

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 29. Southwest wind around 6 mph.

    Low: 29 °F

    Partly Cloudy

  • Thursday

    Thursday: A 20 percent chance of snow after 4pm. Increasing clouds, with a high near 39. Wind chill values between 25 and 35. West wind around 6 mph.

    High: 39 °F

    Mostly Sunny
    then Slight
    Chance Snow

  • Thursday Night

    Thursday Night: A 40 percent chance of snow, mainly between 7pm and 4am. Mostly cloudy, with a low around 23. Light and variable wind.

    Low: 23 °F

    Chance Snow

  • Friday

    Friday: Mostly sunny, with a high near 37.

    High: 37 °F

    Mostly Sunny

  • Friday Night

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

    Low: 27 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 44.

    High: 44 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 29.

    Low: 29 °F

    Partly Cloudy

Detailed Forecast

Tonight
A 30 percent chance of snow after 4am. Increasing clouds, with a low around 14. West wind 5 to 7 mph becoming calm.
Wednesday
Rain and snow, becoming all rain after noon, then gradually ending. High near 39. Wind chill values between 20 and 30. Southwest wind 9 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 2 inches possible.
Wednesday Night
Partly cloudy, with a low around 29. Southwest wind around 6 mph.
Thursday
A 20 percent chance of snow after 4pm. Increasing clouds, with a high near 39. Wind chill values between 25 and 35. West wind around 6 mph.
Thursday Night
A 40 percent chance of snow, mainly between 7pm and 4am. Mostly cloudy, with a low around 23. Light and variable wind.
Friday
Mostly sunny, with a high near 37.
Friday Night
Partly cloudy, with a low around 27.
Saturday
Mostly sunny, with a high near 44.
Saturday Night
Partly cloudy, with a low around 29.
Sunday
Partly sunny, with a high near 41.
Sunday Night
Partly cloudy, with a low around 17.
Monday
A 30 percent chance of snow. Partly sunny, with a high near 29.
Monday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 18.
Tuesday
A chance of rain and snow. Partly sunny, with a high near 35. Chance of precipitation is 30%.
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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:
4:55 pm EST Feb 24, 2026
Forecast Valid:
5pm EST Feb 24, 2026-6pm EST Mar 3, 2026
 
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Additional Resources

Radar & Satellite Image

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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