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.

Overcast and Breezy

49°F

9°C

Humidity 74%
Wind Speed SW 22 G 31 mph
Barometer 29.49 in (998.4 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 10 Dec 2:56 pm EST
Extended Forecast for

Mystic CT

  • This Afternoon

    This Afternoon: A 40 percent chance of rain. Cloudy, with a high near 49. South wind around 16 mph, with gusts as high as 30 mph.

    High: 49 °F

    Chance Rain

  • Tonight

    Tonight: Rain, mainly before 10pm. Low around 29. Southwest wind 11 to 14 mph, with gusts as high as 29 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 29 °F

    Rain then
    Chance Rain

  • Thursday

    Thursday: A 20 percent chance of snow showers after 1pm. Mostly sunny, with a temperature rising to near 36 by noon, then falling to around 31 during the remainder of the day. Wind chill values between 20 and 25. West wind 14 to 18 mph, with gusts as high as 39 mph.

    High: 36 °F⇓

    Mostly Sunny
    then Slight
    Chance Snow
    Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 22. Wind chill values between 10 and 15. West wind 15 to 17 mph, with gusts as high as 41 mph.

    Low: 22 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 36. West wind 10 to 15 mph, with gusts as high as 29 mph.

    High: 36 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 21.

    Low: 21 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 39.

    High: 39 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 30 percent chance of snow after 1am. Mostly cloudy, with a low around 25.

    Low: 25 °F

    Mostly Cloudy
    then Chance
    Snow

  • Sunday

    Sunday: A 40 percent chance of snow before 1pm. Partly sunny, with a high near 34.

    High: 34 °F

    Chance Snow

Detailed Forecast

This Afternoon
A 40 percent chance of rain. Cloudy, with a high near 49. South wind around 16 mph, with gusts as high as 30 mph.
Tonight
Rain, mainly before 10pm. Low around 29. Southwest wind 11 to 14 mph, with gusts as high as 29 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
A 20 percent chance of snow showers after 1pm. Mostly sunny, with a temperature rising to near 36 by noon, then falling to around 31 during the remainder of the day. Wind chill values between 20 and 25. West wind 14 to 18 mph, with gusts as high as 39 mph.
Thursday Night
Partly cloudy, with a low around 22. Wind chill values between 10 and 15. West wind 15 to 17 mph, with gusts as high as 41 mph.
Friday
Sunny, with a high near 36. West wind 10 to 15 mph, with gusts as high as 29 mph.
Friday Night
Partly cloudy, with a low around 21.
Saturday
Partly sunny, with a high near 39.
Saturday Night
A 30 percent chance of snow after 1am. Mostly cloudy, with a low around 25.
Sunday
A 40 percent chance of snow before 1pm. Partly sunny, with a high near 34.
Sunday Night
Mostly clear, with a low around 16.
Monday
Sunny, with a high near 30.
Monday Night
Partly cloudy, with a low around 19.
Tuesday
Mostly sunny, with a high near 34.
Tuesday Night
Partly cloudy, with a low around 22.
Wednesday
Partly sunny, with a high near 42.
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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:
1:09 pm EST Dec 10, 2025
Forecast Valid:
3pm EST Dec 10, 2025-6pm EST Dec 17, 2025
 
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Additional Resources

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High Temperature

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Chance of Precipitation