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 36%
Wind Speed W 14 G 24 mph
Barometer 30.20 in (1022.5 mb)
Dewpoint 0°F (-18°C)
Visibility 10.00 mi
Wind Chill11°F (-12°C)
Last update 20 Jan 11:56 am EST
Extended Forecast for

Mystic CT

  • This Afternoon

    This Afternoon: Sunny, with a high near 24. Wind chill values between 10 and 15. West wind 11 to 14 mph, with gusts as high as 24 mph.

    High: 24 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 11. West wind 5 to 8 mph, with gusts as high as 20 mph.

    Low: 11 °F

    Mostly Clear

  • Wednesday

    Wednesday: Increasing clouds, with a high near 39. Wind chill values between 15 and 25. Light and variable wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 21 mph.

    High: 39 °F

    Increasing
    Clouds

  • Wednesday Night

    Wednesday Night: A 20 percent chance of snow showers after 1am. Mostly cloudy, with a low around 32. Southwest wind 8 to 10 mph, with gusts as high as 24 mph.

    Low: 32 °F

    Mostly Cloudy
    then Slight
    Chance Snow
    Showers

  • Thursday

    Thursday: Mostly sunny, with a high near 42. Southwest wind 7 to 11 mph, with gusts as high as 22 mph.

    High: 42 °F

    Mostly Sunny

  • Thursday Night

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

    Low: 23 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 32.

    High: 32 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 8.

    Low: 8 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny and cold, with a high near 17.

    High: 17 °F

    Cold

Detailed Forecast

This Afternoon
Sunny, with a high near 24. Wind chill values between 10 and 15. West wind 11 to 14 mph, with gusts as high as 24 mph.
Tonight
Mostly clear, with a low around 11. West wind 5 to 8 mph, with gusts as high as 20 mph.
Wednesday
Increasing clouds, with a high near 39. Wind chill values between 15 and 25. Light and variable wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 21 mph.
Wednesday Night
A 20 percent chance of snow showers after 1am. Mostly cloudy, with a low around 32. Southwest wind 8 to 10 mph, with gusts as high as 24 mph.
Thursday
Mostly sunny, with a high near 42. Southwest wind 7 to 11 mph, with gusts as high as 22 mph.
Thursday Night
Partly cloudy, with a low around 23.
Friday
Partly sunny, with a high near 32.
Friday Night
Partly cloudy, with a low around 8.
Saturday
Mostly sunny and cold, with a high near 17.
Saturday Night
A 30 percent chance of snow after 1am. Mostly cloudy, with a low around 7.
Sunday
A 50 percent chance of snow. Mostly cloudy and cold, with a high near 20.
Sunday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 10.
Monday
Mostly sunny, with a high near 23.
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:
1:07 am EST Jan 20, 2026
Forecast Valid:
12pm EST Jan 20, 2026-6pm EST Jan 26, 2026
 
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