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 92%
Wind Speed NW 3 mph
Barometer 29.99 in (1015.6 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Last update 4 Dec 2:56 am EST
Extended Forecast for

Mystic CT

  • Overnight

    Overnight: Mostly clear, with a steady temperature around 29. West wind around 6 mph.

    Low: 29 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly cloudy, then gradually becoming sunny, with a high near 40. Wind chill values between 20 and 30. West wind 8 to 18 mph, with gusts as high as 29 mph.

    High: 40 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 14. Wind chill values between 5 and 10. Blustery, with a north wind 15 to 20 mph decreasing to 8 to 13 mph after midnight. Winds could gust as high as 30 mph.

    Low: 14 °F

    Mostly Clear
    and Blustery
    then Mostly
    Clear

  • Friday

    Friday: Increasing clouds, with a high near 34. Wind chill values between 5 and 15. North wind around 6 mph becoming light and variable.

    High: 34 °F

    Increasing
    Clouds

  • Friday Night

    Friday Night: A 30 percent chance of light snow, mainly after 1am. Mostly cloudy, with a low around 25. Light and variable wind.

    Low: 25 °F

    Chance Light
    Snow

  • Saturday

    Saturday: A 30 percent chance of light rain before 1pm. Mostly cloudy, with a high near 43.

    High: 43 °F

    Chance Light
    Rain

  • Saturday Night

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

    Low: 27 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 42.

    High: 42 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 20.

    Low: 20 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a steady temperature around 29. West wind around 6 mph.
Thursday
Mostly cloudy, then gradually becoming sunny, with a high near 40. Wind chill values between 20 and 30. West wind 8 to 18 mph, with gusts as high as 29 mph.
Thursday Night
Mostly clear, with a low around 14. Wind chill values between 5 and 10. Blustery, with a north wind 15 to 20 mph decreasing to 8 to 13 mph after midnight. Winds could gust as high as 30 mph.
Friday
Increasing clouds, with a high near 34. Wind chill values between 5 and 15. North wind around 6 mph becoming light and variable.
Friday Night
A 30 percent chance of light snow, mainly after 1am. Mostly cloudy, with a low around 25. Light and variable wind.
Saturday
A 30 percent chance of light rain before 1pm. Mostly cloudy, with a high near 43.
Saturday Night
Partly cloudy, with a low around 27.
Sunday
Partly sunny, with a high near 42.
Sunday Night
Mostly cloudy, with a low around 20.
Monday
Mostly sunny, with a high near 30.
Monday Night
Mostly clear, with a low around 15.
Tuesday
Mostly sunny, with a high near 39.
Tuesday Night
A chance of rain and snow. Mostly cloudy, with a low around 28. Chance of precipitation is 40%.
Wednesday
A 30 percent chance of rain. Partly sunny, with a high near 44.
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:
2:27 am EST Dec 4, 2025
Forecast Valid:
3am EST Dec 4, 2025-6pm EST Dec 10, 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