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.

A Few Clouds and Breezy

41°F

5°C

Humidity 67%
Wind Speed SW 22 G 35 mph
Barometer 29.86 in (1011.0 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Wind Chill31°F (-1°C)
Last update 10 Dec 1:56 am EST
Extended Forecast for

Mystic CT

  • Overnight

    Overnight: Mostly cloudy, with a steady temperature around 41. Southwest wind around 13 mph, with gusts as high as 30 mph.

    Low: 41 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 50 percent chance of rain, mainly after 4pm. Mostly cloudy, with a high near 49. Southwest wind 10 to 17 mph, with gusts as high as 32 mph.

    High: 49 °F

    Partly Sunny
    then Chance
    Rain

  • Wednesday Night

    Wednesday Night: Rain, mainly before 10pm. Low around 29. Southwest wind 9 to 14 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 29 °F

    Rain then
    Chance Rain

  • Thursday

    Thursday: Mostly sunny, with a temperature rising to near 37 by 11am, then falling to around 31 during the remainder of the day. Wind chill values between 20 and 30. West wind 11 to 18 mph, with gusts as high as 31 mph.

    High: 37 °F⇓

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 23. West wind around 16 mph, with gusts as high as 36 mph.

    Low: 23 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 36.

    High: 36 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 23.

    Low: 23 °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 26.

    Low: 26 °F

    Mostly Cloudy
    then Chance
    Snow

Detailed Forecast

Overnight
Mostly cloudy, with a steady temperature around 41. Southwest wind around 13 mph, with gusts as high as 30 mph.
Wednesday
A 50 percent chance of rain, mainly after 4pm. Mostly cloudy, with a high near 49. Southwest wind 10 to 17 mph, with gusts as high as 32 mph.
Wednesday Night
Rain, mainly before 10pm. Low around 29. Southwest wind 9 to 14 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
Mostly sunny, with a temperature rising to near 37 by 11am, then falling to around 31 during the remainder of the day. Wind chill values between 20 and 30. West wind 11 to 18 mph, with gusts as high as 31 mph.
Thursday Night
Mostly clear, with a low around 23. West wind around 16 mph, with gusts as high as 36 mph.
Friday
Mostly sunny, with a high near 36.
Friday Night
Partly cloudy, with a low around 23.
Saturday
Partly sunny, with a high near 39.
Saturday Night
A 30 percent chance of snow after 1am. Mostly cloudy, with a low around 26.
Sunday
A 40 percent chance of snow before 1pm. Partly sunny, with a high near 35.
Sunday Night
Mostly clear, with a low around 16.
Monday
Sunny, with a high near 30.
Monday Night
Partly cloudy, with a low around 17.
Tuesday
Mostly sunny, with a high near 33.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mystic CT
 41.35°N 71.96°W (Elev. 0 ft)
Last Update:
2:32 am EST Dec 10, 2025
Forecast Valid:
2am EST Dec 10, 2025-6pm EST Dec 16, 2025
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation