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.

Light Rain

58°F

14°C

Humidity 87%
Wind Speed NA
Barometer 30.29 in (1025.8 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 11 Oct 1:56 pm EDT
Extended Forecast for

West Mystic CT

  • This Afternoon

    This Afternoon: Rain. High near 62. East wind 10 to 13 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 62 °F

    Rain

  • Tonight

    Tonight: Rain and possibly a thunderstorm before 2am, then a chance of rain and thunderstorms, mainly between 2am and 5am. Low around 53. East wind 9 to 11 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 53 °F

    Rain

  • Columbus Day

    Columbus Day: A slight chance of rain before 8am, then a slight chance of showers between 8am and 11am. Mostly cloudy through mid morning, then gradual clearing, with a high near 68. North wind 8 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.

    High: 68 °F

    Slight Chance
    Rain then
    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 51. Calm wind.

    Low: 51 °F

    Mostly Clear

  • Tuesday

    Tuesday: Partly sunny, with a high near 66. Northeast wind 5 to 9 mph becoming south in the afternoon.

    High: 66 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers. Mostly cloudy, with a steady temperature around 62.

    Low: 62 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Mostly sunny, with a high near 71.

    High: 71 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 47.

    Low: 47 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 63.

    High: 63 °F

    Sunny

Detailed Forecast

This Afternoon
Rain. High near 62. East wind 10 to 13 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Tonight
Rain and possibly a thunderstorm before 2am, then a chance of rain and thunderstorms, mainly between 2am and 5am. Low around 53. East wind 9 to 11 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Columbus Day
A slight chance of rain before 8am, then a slight chance of showers between 8am and 11am. Mostly cloudy through mid morning, then gradual clearing, with a high near 68. North wind 8 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
Monday Night
Mostly clear, with a low around 51. Calm wind.
Tuesday
Partly sunny, with a high near 66. Northeast wind 5 to 9 mph becoming south in the afternoon.
Tuesday Night
A 30 percent chance of showers. Mostly cloudy, with a steady temperature around 62.
Wednesday
Mostly sunny, with a high near 71.
Wednesday Night
Mostly clear, with a low around 47.
Thursday
Sunny, with a high near 63.
Thursday Night
Partly cloudy, with a low around 45.
Friday
A 50 percent chance of showers. Mostly cloudy, with a high near 64.
Friday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 48.
Saturday
A 30 percent chance of showers. Partly sunny, with a high near 59.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
West Mystic CT
 41.33°N 72°W (Elev. 98 ft)
Last Update:
11:12 am EDT Oct 11, 2026
Forecast Valid:
2pm EDT Oct 11, 2026-6pm EDT Oct 17, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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