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

72°F

22°C

Humidity 68%
Wind Speed NW 7 mph
Barometer 29.82 in (1009.7 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 4 Sep 8:56 pm EDT
Extended Forecast for

West Mystic CT

  • Tonight

    Tonight: Mostly clear, with a low around 64. Northwest wind around 7 mph.

    Low: 64 °F

    Mostly Clear

  • Saturday

    Saturday: A chance of showers and thunderstorms between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Increasing clouds, with a high near 76. North wind 6 to 8 mph becoming east in the afternoon. Chance of precipitation is 60%.

    High: 76 °F

    Sunny then
    Showers
    Likely

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm before 8pm, then a slight chance of showers between 8pm and 11pm. Mostly cloudy, with a low around 58. Northeast wind 3 to 5 mph. Chance of precipitation is 60%.

    Low: 58 °F

    Showers
    Likely then
    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 70. North wind 5 to 7 mph.

    High: 70 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 55. Light and variable wind.

    Low: 55 °F

    Mostly Clear

  • Labor Day

    Labor Day: Sunny, with a high near 75.

    High: 75 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 57.

    Low: 57 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 76.

    High: 76 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 59.

    Low: 59 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 64. Northwest wind around 7 mph.
Saturday
A chance of showers and thunderstorms between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Increasing clouds, with a high near 76. North wind 6 to 8 mph becoming east in the afternoon. Chance of precipitation is 60%.
Saturday Night
Showers likely and possibly a thunderstorm before 8pm, then a slight chance of showers between 8pm and 11pm. Mostly cloudy, with a low around 58. Northeast wind 3 to 5 mph. Chance of precipitation is 60%.
Sunday
Mostly sunny, with a high near 70. North wind 5 to 7 mph.
Sunday Night
Mostly clear, with a low around 55. Light and variable wind.
Labor Day
Sunny, with a high near 75.
Monday Night
Mostly clear, with a low around 57.
Tuesday
Sunny, with a high near 76.
Tuesday Night
Partly cloudy, with a low around 59.
Wednesday
Partly sunny, with a high near 73.
Wednesday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 66.
Thursday
Mostly sunny, with a high near 79.
Thursday Night
Partly cloudy, with a low around 59.
Friday
Mostly sunny, with a high near 70.
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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:
2:20 pm EDT Sep 4, 2026
Forecast Valid:
9pm EDT Sep 4, 2026-6pm EDT Sep 11, 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