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

30°F

-1°C

Humidity 45%
Wind Speed W 12 G 21 mph
Barometer 29.46 in (997.5 mb)
Dewpoint 11°F (-12°C)
Visibility 10.00 mi
Wind Chill20°F (-7°C)
Last update 15 Jan 9:56 pm EST
Extended Forecast for

Mystic CT

  • Tonight

    Tonight: Partly cloudy, with a low around 21. Wind chill values between 10 and 15. West wind 10 to 13 mph, with gusts as high as 30 mph.

    Low: 21 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 35. Wind chill values between 10 and 20. West wind 10 to 16 mph, with gusts as high as 30 mph.

    High: 35 °F

    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 29. Southwest wind around 6 mph.

    Low: 29 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of snow before 10am, then a chance of rain and snow between 10am and 4pm, then a chance of rain after 4pm. Mostly cloudy, with a high near 42. Southwest wind 5 to 8 mph. Chance of precipitation is 50%.

    High: 42 °F

    Chance
    Rain/Snow

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 30. West wind 3 to 6 mph.

    Low: 30 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 30 percent chance of snow after 1pm. Mostly cloudy, with a high near 38.

    High: 38 °F

    Mostly Cloudy
    then Chance
    Snow

  • Sunday Night

    Sunday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 22.

    Low: 22 °F

    Decreasing
    Clouds

  • M.L.King Day

    M.L.King Day: Sunny, with a high near 33.

    High: 33 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 15.

    Low: 15 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 21. Wind chill values between 10 and 15. West wind 10 to 13 mph, with gusts as high as 30 mph.
Friday
Sunny, with a high near 35. Wind chill values between 10 and 20. West wind 10 to 16 mph, with gusts as high as 30 mph.
Friday Night
Mostly cloudy, with a low around 29. Southwest wind around 6 mph.
Saturday
A chance of snow before 10am, then a chance of rain and snow between 10am and 4pm, then a chance of rain after 4pm. Mostly cloudy, with a high near 42. Southwest wind 5 to 8 mph. Chance of precipitation is 50%.
Saturday Night
Mostly cloudy, with a low around 30. West wind 3 to 6 mph.
Sunday
A 30 percent chance of snow after 1pm. Mostly cloudy, with a high near 38.
Sunday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 22.
M.L.King Day
Sunny, with a high near 33.
Monday Night
Partly cloudy, with a low around 15.
Tuesday
Sunny, with a high near 24.
Tuesday Night
Mostly clear, with a low around 12.
Wednesday
Mostly sunny, with a high near 30.
Wednesday Night
Mostly cloudy, with a low around 22.
Thursday
Mostly sunny, with a high near 35.
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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:
12:42 pm EST Jan 15, 2026
Forecast Valid:
10pm EST Jan 15, 2026-6pm EST Jan 22, 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