National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Groton / New London, Groton / New London Airport (KGON)

Lat: 41.33°NLon: 72.05°WElev: 10ft.

Fair

68°F

20°C

Humidity 51%
Wind Speed NW 9 mph
Barometer 29.66 in (1004.3 mb)
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Last update 19 Jun 10:56 pm EDT
Extended Forecast for

West Mystic CT

  • Tonight

    Tonight: Clear, with a low around 61. West wind 7 to 10 mph, with gusts as high as 20 mph.

    Low: 61 °F

    Clear

  • Saturday

    Saturday: Increasing clouds, with a high near 80. West wind 14 to 17 mph, with gusts as high as 29 mph.

    High: 80 °F

    Increasing
    Clouds

  • Saturday Night

    Saturday Night: Mostly cloudy, then gradually becoming clear, with a low around 59. Northwest wind 3 to 6 mph.

    Low: 59 °F

    Decreasing
    Clouds

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after 2pm. Increasing clouds, with a high near 80. Northwest wind 5 to 10 mph becoming southwest in the afternoon.

    High: 80 °F

    Sunny then
    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 60. West wind around 6 mph becoming calm in the evening.

    Low: 60 °F

    Partly Cloudy

  • Monday

    Monday: Showers and possibly a thunderstorm. High near 74. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.

    High: 74 °F

    Showers
    Likely then
    Showers

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm before 2am, then a chance of showers. Low around 62. Chance of precipitation is 90%.

    Low: 62 °F

    Showers

  • Tuesday

    Tuesday: A 30 percent chance of showers before 2pm. Mostly sunny, with a high near 80.

    High: 80 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 62.

    Low: 62 °F

    Mostly Clear

Detailed Forecast

Tonight
Clear, with a low around 61. West wind 7 to 10 mph, with gusts as high as 20 mph.
Saturday
Increasing clouds, with a high near 80. West wind 14 to 17 mph, with gusts as high as 29 mph.
Saturday Night
Mostly cloudy, then gradually becoming clear, with a low around 59. Northwest wind 3 to 6 mph.
Sunday
A 20 percent chance of showers and thunderstorms after 2pm. Increasing clouds, with a high near 80. Northwest wind 5 to 10 mph becoming southwest in the afternoon.
Sunday Night
Partly cloudy, with a low around 60. West wind around 6 mph becoming calm in the evening.
Monday
Showers and possibly a thunderstorm. High near 74. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
Monday Night
Showers and possibly a thunderstorm before 2am, then a chance of showers. Low around 62. Chance of precipitation is 90%.
Tuesday
A 30 percent chance of showers before 2pm. Mostly sunny, with a high near 80.
Tuesday Night
Mostly clear, with a low around 62.
Wednesday
Sunny, with a high near 80.
Wednesday Night
Mostly clear, with a low around 61.
Thursday
Mostly sunny, with a high near 78.
Thursday Night
Partly cloudy, with a low around 62.
Friday
Mostly sunny, with a high near 78.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
West Mystic CT
 41.35°N 71.99°W (Elev. 98 ft)
Last Update:
4:47 pm EDT Jun 19, 2026
Forecast Valid:
11pm EDT Jun 19, 2026-6pm EDT Jun 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