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

69°F

21°C

Humidity 93%
Wind Speed S 10 mph
Barometer 30.24 in (1024.1 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Last update 6 Oct 2:56 pm EDT
Extended Forecast for

West Mystic CT

  • Tonight

    Tonight: Clear, with a low around 57. Southwest wind 5 to 8 mph.

    Low: 57 °F

    Clear

  • Tuesday

    Tuesday: Increasing clouds, with a high near 74. Southwest wind 6 to 13 mph.

    High: 74 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: A 50 percent chance of showers after 2am. Mostly cloudy, with a low around 61. Southwest wind around 10 mph, with gusts as high as 22 mph.

    Low: 61 °F

    Mostly Cloudy
    then Chance
    Showers

  • Wednesday

    Wednesday: Showers, mainly before 2pm. The rain could be heavy at times. High near 69. Southwest wind around 11 mph becoming north in the afternoon. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.

    High: 69 °F

    Heavy Rain

  • Wednesday Night

    Wednesday Night: Mostly cloudy, then gradually becoming clear, with a low around 42. North wind around 9 mph, with gusts as high as 21 mph.

    Low: 42 °F

    Decreasing
    Clouds

  • Thursday

    Thursday: Sunny, with a high near 60.

    High: 60 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 38.

    Low: 38 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 62.

    High: 62 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 46.

    Low: 46 °F

    Partly Cloudy

Detailed Forecast

Tonight
Clear, with a low around 57. Southwest wind 5 to 8 mph.
Tuesday
Increasing clouds, with a high near 74. Southwest wind 6 to 13 mph.
Tuesday Night
A 50 percent chance of showers after 2am. Mostly cloudy, with a low around 61. Southwest wind around 10 mph, with gusts as high as 22 mph.
Wednesday
Showers, mainly before 2pm. The rain could be heavy at times. High near 69. Southwest wind around 11 mph becoming north in the afternoon. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.
Wednesday Night
Mostly cloudy, then gradually becoming clear, with a low around 42. North wind around 9 mph, with gusts as high as 21 mph.
Thursday
Sunny, with a high near 60.
Thursday Night
Clear, with a low around 38.
Friday
Sunny, with a high near 62.
Friday Night
Partly cloudy, with a low around 46.
Saturday
Partly sunny, with a high near 65.
Saturday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 49.
Sunday
A 30 percent chance of rain. Partly sunny, with a high near 63.
Sunday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 51.
Columbus Day
A 30 percent chance of rain. Partly sunny, with a high near 66.
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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:
2:13 pm EDT Oct 6, 2025
Forecast Valid:
3pm EDT Oct 6, 2025-6pm EDT Oct 13, 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