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

55°F

13°C

Humidity 36%
Wind Speed N 14 G 18 mph
Barometer 30.40 in (1029.5 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill51°F (11°C)
Last update 9 Oct 3:56 pm EDT
Extended Forecast for

West Mystic CT

Coastal Flood Watch October 12, 08:00am until October 13, 06:00pm
Frost Advisory October 10, 12:00am until October 10, 09:00am
Click here for hazard details and duration
Coastal Flood Watch
Frost Advisory

  • Tonight

    Tonight: Patchy frost after 2am. Otherwise, clear, with a low around 35. North wind 3 to 6 mph.

    Low: 35 °F

    Clear then
    Patchy Frost

  • Friday

    Friday: Areas of frost before 9am. Otherwise, sunny, with a high near 60. Light and variable wind becoming south around 6 mph in the afternoon.

    High: 60 °F

    Areas Frost
    then Sunny

  • Friday Night

    Friday Night: Increasing clouds, with a low around 47. Calm wind.

    Low: 47 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Partly sunny, with a high near 66. Calm wind becoming southeast 5 to 8 mph in the morning.

    High: 66 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 40 percent chance of rain. Mostly cloudy, with a low around 51. Northeast wind 6 to 10 mph.

    Low: 51 °F

    Chance Rain

  • Sunday

    Sunday: Rain likely, mainly after 2pm. Mostly cloudy, with a high near 62. Chance of precipitation is 70%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 62 °F

    Rain Likely

  • Sunday Night

    Sunday Night: Rain. Low around 53. Breezy. Chance of precipitation is 90%.

    Low: 53 °F

    Rain and
    Breezy

  • Columbus Day

    Columbus Day: Rain. High near 63. Breezy. Chance of precipitation is 80%.

    High: 63 °F

    Rain and
    Breezy

  • Monday Night

    Monday Night: Rain. Low around 52. Chance of precipitation is 80%.

    Low: 52 °F

    Rain

Detailed Forecast

Tonight
Patchy frost after 2am. Otherwise, clear, with a low around 35. North wind 3 to 6 mph.
Friday
Areas of frost before 9am. Otherwise, sunny, with a high near 60. Light and variable wind becoming south around 6 mph in the afternoon.
Friday Night
Increasing clouds, with a low around 47. Calm wind.
Saturday
Partly sunny, with a high near 66. Calm wind becoming southeast 5 to 8 mph in the morning.
Saturday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 51. Northeast wind 6 to 10 mph.
Sunday
Rain likely, mainly after 2pm. Mostly cloudy, with a high near 62. Chance of precipitation is 70%. New precipitation amounts between a half and three quarters of an inch possible.
Sunday Night
Rain. Low around 53. Breezy. Chance of precipitation is 90%.
Columbus Day
Rain. High near 63. Breezy. Chance of precipitation is 80%.
Monday Night
Rain. Low around 52. Chance of precipitation is 80%.
Tuesday
Rain likely, mainly before 8am. Mostly cloudy, with a high near 62. Chance of precipitation is 60%.
Tuesday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 49.
Wednesday
A 30 percent chance of rain. Partly sunny, with a high near 64.
Wednesday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 45.
Thursday
Mostly sunny, with a high near 61.
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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:
1:52 pm EDT Oct 9, 2025
Forecast Valid:
4pm EDT Oct 9, 2025-6pm EDT Oct 16, 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