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 44%
Wind Speed W 17 G 30 mph
Barometer 29.73 in (1006.9 mb)
Dewpoint 4°F (-16°C)
Visibility 10.00 mi
Wind Chill9°F (-13°C)
Last update 16 Jan 8:56 am EST
Extended Forecast for

Mystic CT

  • Today

    Today: Sunny, with a high near 35. Wind chill values between 10 and 20. West wind 9 to 14 mph, with gusts as high as 31 mph.

    High: 35 °F

    Sunny

  • Tonight

    Tonight: A slight chance of rain and snow after 4am. Mostly cloudy, with a low around 28. Southwest wind around 6 mph. Chance of precipitation is 20%.

    Low: 28 °F

    Partly Cloudy
    then Slight
    Chance
    Rain/Snow

  • Saturday

    Saturday: A slight chance of rain and snow before 7am, then a chance of rain between 7am and 4pm, then a chance of rain and snow after 4pm. Mostly cloudy, with a high near 41. Southwest wind 5 to 9 mph. Chance of precipitation is 50%.

    High: 41 °F

    Chance
    Rain/Snow

  • Saturday Night

    Saturday Night: A slight chance of snow before 7pm, then a slight chance of snow after 1am. Mostly cloudy, with a low around 30. West wind 3 to 6 mph. Chance of precipitation is 20%.

    Low: 30 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Sunday

    Sunday: A chance of rain and snow before 4pm, then a chance of snow. Cloudy, with a high near 37. West wind 3 to 8 mph. Chance of precipitation is 40%.

    High: 37 °F

    Chance
    Rain/Snow

  • Sunday Night

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

    Low: 21 °F

    Mostly Cloudy

  • M.L.King Day

    M.L.King Day: Sunny, with a high near 34.

    High: 34 °F

    Sunny

  • Monday Night

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

    Low: 15 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 23.

    High: 23 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 35. Wind chill values between 10 and 20. West wind 9 to 14 mph, with gusts as high as 31 mph.
Tonight
A slight chance of rain and snow after 4am. Mostly cloudy, with a low around 28. Southwest wind around 6 mph. Chance of precipitation is 20%.
Saturday
A slight chance of rain and snow before 7am, then a chance of rain between 7am and 4pm, then a chance of rain and snow after 4pm. Mostly cloudy, with a high near 41. Southwest wind 5 to 9 mph. Chance of precipitation is 50%.
Saturday Night
A slight chance of snow before 7pm, then a slight chance of snow after 1am. Mostly cloudy, with a low around 30. West wind 3 to 6 mph. Chance of precipitation is 20%.
Sunday
A chance of rain and snow before 4pm, then a chance of snow. Cloudy, with a high near 37. West wind 3 to 8 mph. Chance of precipitation is 40%.
Sunday Night
Mostly cloudy, with a low around 21.
M.L.King Day
Sunny, with a high near 34.
Monday Night
Partly cloudy, with a low around 15.
Tuesday
Sunny, with a high near 23.
Tuesday Night
Mostly clear, with a low around 12.
Wednesday
Mostly sunny, with a high near 31.
Wednesday Night
Mostly cloudy, with a low around 22.
Thursday
Partly sunny, with a high near 37.
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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:
1:17 am EST Jan 16, 2026
Forecast Valid:
9am EST Jan 16, 2026-6pm EST Jan 22, 2026
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation