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

57°F

14°C

Humidity 100%
Wind Speed Calm
Barometer 30.01 in (1016.2 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 25 Jun 3:56 am EDT
Extended Forecast for

West Mystic CT

  • Today

    Today: Mostly sunny, with a high near 79. Calm wind becoming south 5 to 7 mph in the afternoon.

    High: 79 °F

    Mostly Sunny

  • Tonight

    Tonight: A slight chance of showers between 2am and 5am, then a chance of showers and thunderstorms after 5am. Increasing clouds, with a low around 61. South wind 3 to 5 mph. Chance of precipitation is 30%.

    Low: 61 °F

    Partly Cloudy
    then Chance
    Showers

  • Friday

    Friday: A chance of showers and thunderstorms before 11am, then a slight chance of showers between 11am and 2pm, then a slight chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 76. South wind 5 to 9 mph. Chance of precipitation is 40%.

    High: 76 °F

    Chance
    Showers then
    Slight Chance
    T-storms

  • Friday Night

    Friday Night: A slight chance of thunderstorms before 8pm, then a chance of showers after 2am. Mostly cloudy, with a low around 62. Light and variable wind. Chance of precipitation is 40%.

    Low: 62 °F

    Mostly Cloudy
    then Chance
    Showers

  • Saturday

    Saturday: A 50 percent chance of showers. Mostly cloudy, with a high near 75. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 75 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 61.

    Low: 61 °F

    Mostly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 79. Calm wind becoming south 5 to 7 mph in the afternoon.
Tonight
A slight chance of showers between 2am and 5am, then a chance of showers and thunderstorms after 5am. Increasing clouds, with a low around 61. South wind 3 to 5 mph. Chance of precipitation is 30%.
Friday
A chance of showers and thunderstorms before 11am, then a slight chance of showers between 11am and 2pm, then a slight chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 76. South wind 5 to 9 mph. Chance of precipitation is 40%.
Friday Night
A slight chance of thunderstorms before 8pm, then a chance of showers after 2am. Mostly cloudy, with a low around 62. Light and variable wind. Chance of precipitation is 40%.
Saturday
A 50 percent chance of showers. Mostly cloudy, with a high near 75. Calm wind becoming southeast around 5 mph in the afternoon.
Saturday Night
Mostly cloudy, with a low around 61.
Sunday
Sunny, with a high near 81.
Sunday Night
Mostly clear, with a low around 61.
Monday
Sunny, with a high near 78.
Monday Night
Partly cloudy, with a low around 64.
Tuesday
Mostly sunny, with a high near 79.
Tuesday Night
A 30 percent chance of showers. Partly cloudy, with a low around 66.
Wednesday
Mostly sunny, with a high near 82.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
West Mystic CT
 41.33°N 72°W (Elev. 98 ft)
Last Update:
2:24 am EDT Jun 25, 2026
Forecast Valid:
4am EDT Jun 25, 2026-6pm EDT Jul 1, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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