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

29°F

-2°C

Humidity 72%
Wind Speed Calm
Barometer 30.51 in (1033.0 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Last update 30 Nov 1:56 am EST
Extended Forecast for

West Mystic CT

  • Overnight

    Overnight: Cloudy, with a low around 29. Light east wind.

    Low: 29 °F

    Cloudy

  • Sunday

    Sunday: Rain, mainly after 1pm. High near 52. South wind 6 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 52 °F

    Cloudy then
    Rain

  • Sunday Night

    Sunday Night: Rain, mainly before 10pm. Low around 32. West wind 10 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 32 °F

    Rain then
    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 42. Wind chill values between 25 and 35. Northwest wind 9 to 13 mph, with gusts as high as 23 mph.

    High: 42 °F

    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 26. Northwest wind around 5 mph becoming calm in the evening.

    Low: 26 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Rain. High near 46. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.

    High: 46 °F

    Rain

  • Tuesday Night

    Tuesday Night: A 50 percent chance of rain before 1am. Cloudy during the early evening, then gradual clearing, with a low around 27.

    Low: 27 °F

    Chance Rain

  • Wednesday

    Wednesday: Sunny, with a high near 40.

    High: 40 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 29.

    Low: 29 °F

    Partly Cloudy

Detailed Forecast

Overnight
Cloudy, with a low around 29. Light east wind.
Sunday
Rain, mainly after 1pm. High near 52. South wind 6 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
Rain, mainly before 10pm. Low around 32. West wind 10 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Sunny, with a high near 42. Wind chill values between 25 and 35. Northwest wind 9 to 13 mph, with gusts as high as 23 mph.
Monday Night
Mostly cloudy, with a low around 26. Northwest wind around 5 mph becoming calm in the evening.
Tuesday
Rain. High near 46. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.
Tuesday Night
A 50 percent chance of rain before 1am. Cloudy during the early evening, then gradual clearing, with a low around 27.
Wednesday
Sunny, with a high near 40.
Wednesday Night
Partly cloudy, with a low around 29.
Thursday
Partly sunny, with a high near 43.
Thursday Night
Mostly clear, with a low around 16.
Friday
Mostly sunny, with a high near 33.
Friday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 24.
Saturday
A chance of rain and snow. Mostly cloudy, with a high near 39. Chance of precipitation is 50%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
West Mystic CT
 41.33°N 72°W (Elev. 98 ft)
Last Update:
1:09 am EST Nov 30, 2025
Forecast Valid:
2am EST Nov 30, 2025-6pm EST Dec 6, 2025
 
Forecast Discussion
 
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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