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

68°F

20°C

Humidity 96%
Wind Speed Calm
Barometer 29.91 in (1012.8 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Last update 19 Aug 11:56 pm EDT
Extended Forecast for

West Mystic CT

  • Overnight

    Overnight: Mostly clear, with a steady temperature around 70. Light southwest wind.

    Low: 70 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 82. Light and variable wind becoming southwest around 6 mph in the afternoon.

    High: 82 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A 50 percent chance of showers, mainly after 8pm. Mostly cloudy, with a low around 62. Calm wind.

    Low: 62 °F

    Chance
    Showers

  • Friday

    Friday: A 40 percent chance of showers. Partly sunny, with a high near 79. East wind 5 to 7 mph.

    High: 79 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 62. Light northeast wind.

    Low: 62 °F

    Chance
    Showers

  • Saturday

    Saturday: Showers likely. Mostly cloudy, with a high near 77. Chance of precipitation is 60%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 77 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: Showers likely. Mostly cloudy, with a low around 65. Chance of precipitation is 60%.

    Low: 65 °F

    Showers
    Likely

  • Sunday

    Sunday: A 40 percent chance of showers. Partly sunny, with a high near 80.

    High: 80 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 63.

    Low: 63 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a steady temperature around 70. Light southwest wind.
Thursday
Mostly sunny, with a high near 82. Light and variable wind becoming southwest around 6 mph in the afternoon.
Thursday Night
A 50 percent chance of showers, mainly after 8pm. Mostly cloudy, with a low around 62. Calm wind.
Friday
A 40 percent chance of showers. Partly sunny, with a high near 79. East wind 5 to 7 mph.
Friday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 62. Light northeast wind.
Saturday
Showers likely. Mostly cloudy, with a high near 77. Chance of precipitation is 60%. New precipitation amounts between a half and three quarters of an inch possible.
Saturday Night
Showers likely. Mostly cloudy, with a low around 65. Chance of precipitation is 60%.
Sunday
A 40 percent chance of showers. Partly sunny, with a high near 80.
Sunday Night
Partly cloudy, with a low around 63.
Monday
Sunny, with a high near 80.
Monday Night
Mostly clear, with a low around 58.
Tuesday
Sunny, with a high near 78.
Tuesday Night
Mostly clear, with a low around 60.
Wednesday
Mostly sunny, with a high near 79.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
West Mystic CT
 41.35°N 71.99°W (Elev. 98 ft)
Last Update:
2:29 pm EDT Aug 19, 2026
Forecast Valid:
12am EDT Aug 20, 2026-6pm EDT Aug 26, 2026
 
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