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

35°F

2°C

Humidity 57%
Wind Speed W 10 G 21 mph
Barometer 30.32 in (1026.7 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill27°F (-3°C)
Last update 29 Nov 7:56 am EST
Extended Forecast for

Mystic CT

  • Today

    Today: Sunny, with a high near 43. Northwest wind 7 to 10 mph, with gusts as high as 21 mph.

    High: 43 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 28. Light and variable wind.

    Low: 28 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Rain, mainly after 1pm. High near 52. South wind 6 to 15 mph, with gusts as high as 29 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 52 °F

    Chance Rain
    then Rain

  • Sunday Night

    Sunday Night: Rain likely before 1am. Cloudy during the early evening, then gradual clearing, with a low around 32. Southwest wind 10 to 15 mph becoming west after midnight. Winds could gust as high as 31 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 32 °F

    Rain Likely

  • Monday

    Monday: Sunny, with a high near 41. Northwest wind 9 to 13 mph, with gusts as high as 23 mph.

    High: 41 °F

    Sunny

  • Monday Night

    Monday Night: Increasing clouds, with a low around 25.

    Low: 25 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Rain, mainly after 1pm. High near 46. Chance of precipitation is 80%.

    High: 46 °F

    Chance Rain
    then Rain

  • Tuesday Night

    Tuesday Night: Rain likely, mainly before 1am. Mostly cloudy, with a low around 30. Chance of precipitation is 70%.

    Low: 30 °F

    Rain Likely

  • Wednesday

    Wednesday: Mostly sunny, with a high near 41.

    High: 41 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 43. Northwest wind 7 to 10 mph, with gusts as high as 21 mph.
Tonight
Increasing clouds, with a low around 28. Light and variable wind.
Sunday
Rain, mainly after 1pm. High near 52. South wind 6 to 15 mph, with gusts as high as 29 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
Rain likely before 1am. Cloudy during the early evening, then gradual clearing, with a low around 32. Southwest wind 10 to 15 mph becoming west after midnight. Winds could gust as high as 31 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Sunny, with a high near 41. Northwest wind 9 to 13 mph, with gusts as high as 23 mph.
Monday Night
Increasing clouds, with a low around 25.
Tuesday
Rain, mainly after 1pm. High near 46. Chance of precipitation is 80%.
Tuesday Night
Rain likely, mainly before 1am. Mostly cloudy, with a low around 30. Chance of precipitation is 70%.
Wednesday
Mostly sunny, with a high near 41.
Wednesday Night
Partly cloudy, with a low around 28.
Thursday
Partly sunny, with a high near 41.
Thursday Night
Partly cloudy, with a low around 18.
Friday
Mostly sunny, with a high near 36.
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:
5:02 am EST Nov 29, 2025
Forecast Valid:
8am EST Nov 29, 2025-6pm EST Dec 5, 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