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.

Partly Cloudy

36°F

2°C

Humidity 52%
Wind Speed W 13 mph
Barometer 29.50 in (999.1 mb)
Dewpoint 20°F (-7°C)
Visibility 10.00 mi
Wind Chill27°F (-3°C)
Last update 17 Nov 4:56 am EST
Extended Forecast for

Mystic CT

  • Today

    Today: Mostly sunny, with a high near 43. Wind chill values between 20 and 30. West wind 14 to 17 mph, with gusts as high as 32 mph.

    High: 43 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 31. West wind 9 to 13 mph, with gusts as high as 29 mph.

    Low: 31 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 47. Wind chill values between 25 and 35 early. West wind 9 to 11 mph, with gusts as high as 21 mph.

    High: 47 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 30. West wind 3 to 5 mph.

    Low: 30 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 47. Northwest wind 3 to 6 mph.

    High: 47 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 32.

    Low: 32 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 48.

    High: 48 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 36.

    Low: 36 °F

    Mostly Cloudy

  • Friday

    Friday: Rain likely, mainly after 1pm. Cloudy, with a high near 55. Chance of precipitation is 60%.

    High: 55 °F

    Rain Likely

Detailed Forecast

Today
Mostly sunny, with a high near 43. Wind chill values between 20 and 30. West wind 14 to 17 mph, with gusts as high as 32 mph.
Tonight
Mostly clear, with a low around 31. West wind 9 to 13 mph, with gusts as high as 29 mph.
Tuesday
Sunny, with a high near 47. Wind chill values between 25 and 35 early. West wind 9 to 11 mph, with gusts as high as 21 mph.
Tuesday Night
Mostly cloudy, with a low around 30. West wind 3 to 5 mph.
Wednesday
Mostly sunny, with a high near 47. Northwest wind 3 to 6 mph.
Wednesday Night
Partly cloudy, with a low around 32.
Thursday
Mostly cloudy, with a high near 48.
Thursday Night
Mostly cloudy, with a low around 36.
Friday
Rain likely, mainly after 1pm. Cloudy, with a high near 55. Chance of precipitation is 60%.
Friday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 42.
Saturday
A 30 percent chance of rain. Partly sunny, with a high near 52.
Saturday Night
Partly cloudy, with a low around 35.
Sunday
Mostly sunny, with a high near 51.
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:
1:00 am EST Nov 17, 2025
Forecast Valid:
4am EST Nov 17, 2025-6pm EST Nov 23, 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