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.

Mostly Cloudy and Breezy

41°F

5°C

Humidity 86%
Wind Speed E 21 G 33 mph
Barometer 30.17 in (1021.6 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 16 Mar 1:56 am EDT
Extended Forecast for

Essex CT

Flood Watch March 16, 05:00am until March 17, 08:00am
Wind Advisory March 16, 02:00pm until March 17, 04:00am
Click here for hazard details and duration
Flood Watch
Wind Advisory

  • Overnight

    Overnight: Showers, with thunderstorms also possible after 5am. Low around 36. Southeast wind around 10 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 36 °F

    Showers

  • Monday

    Monday: Showers and possibly a thunderstorm. Areas of fog. High near 60. South wind 15 to 17 mph, with gusts as high as 33 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

    High: 60 °F

    Showers and
    Areas Fog

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm before 2am, then showers likely. Areas of fog before 2am. Low around 37. Breezy, with a south wind 15 to 20 mph, with gusts as high as 48 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 37 °F

    Showers and
    Areas Fog

  • Tuesday

    Tuesday: Mostly sunny, with a steady temperature around 40. West wind 10 to 13 mph, with gusts as high as 26 mph.

    High: 40 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 23. West wind 5 to 7 mph, with gusts as high as 21 mph.

    Low: 23 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 38.

    High: 38 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 27.

    Low: 27 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 43.

    High: 43 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 32.

    Low: 32 °F

    Partly Cloudy

Detailed Forecast

Overnight
Showers, with thunderstorms also possible after 5am. Low around 36. Southeast wind around 10 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday
Showers and possibly a thunderstorm. Areas of fog. High near 60. South wind 15 to 17 mph, with gusts as high as 33 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Monday Night
Showers and possibly a thunderstorm before 2am, then showers likely. Areas of fog before 2am. Low around 37. Breezy, with a south wind 15 to 20 mph, with gusts as high as 48 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Tuesday
Mostly sunny, with a steady temperature around 40. West wind 10 to 13 mph, with gusts as high as 26 mph.
Tuesday Night
Partly cloudy, with a low around 23. West wind 5 to 7 mph, with gusts as high as 21 mph.
Wednesday
Mostly sunny, with a high near 38.
Wednesday Night
Mostly cloudy, with a low around 27.
Thursday
Mostly sunny, with a high near 43.
Thursday Night
Partly cloudy, with a low around 32.
Friday
Mostly sunny, with a high near 51.
Friday Night
Mostly cloudy, with a low around 32.
Saturday
A chance of rain and snow. Mostly cloudy, with a high near 47. Chance of precipitation is 40%.
Saturday Night
A chance of rain and snow. Mostly cloudy, with a low around 32. Chance of precipitation is 30%.
Sunday
A chance of rain and snow. Partly sunny, with a high near 44. Chance of precipitation is 30%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Essex CT
 41.36°N 72.4°W (Elev. 92 ft)
Last Update:
2:29 am EDT Mar 16, 2026
Forecast Valid:
2am EDT Mar 16, 2026-6pm EDT Mar 22, 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