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.

Overcast

41°F

5°C

Humidity 93%
Wind Speed S 6 mph
Barometer 30.09 in (1018.9 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Wind Chill37°F (3°C)
Last update 26 Mar 2:56 am EDT
Extended Forecast for

Essex CT

  • Overnight

    Overnight: A 20 percent chance of rain. Cloudy, with a low around 39. South wind around 7 mph.

    Low: 39 °F

    Slight Chance
    Rain

  • Thursday

    Thursday: A slight chance of rain before 11am, then a chance of showers after 5pm. Cloudy, then gradually becoming mostly sunny, with a high near 61. Southwest wind 11 to 13 mph. Chance of precipitation is 30%.

    High: 61 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Showers likely, mainly after 11pm. Mostly cloudy, with a low around 45. South wind 7 to 13 mph becoming northwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 45 °F

    Showers
    Likely

  • Friday

    Friday: A 40 percent chance of showers before 2pm. Mostly cloudy, with a steady temperature around 48. North wind 7 to 9 mph.

    High: 48 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 29. Light and variable wind.

    Low: 29 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 41.

    High: 41 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 27.

    Low: 27 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 46.

    High: 46 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 36.

    Low: 36 °F

    Mostly Cloudy

Detailed Forecast

Overnight
A 20 percent chance of rain. Cloudy, with a low around 39. South wind around 7 mph.
Thursday
A slight chance of rain before 11am, then a chance of showers after 5pm. Cloudy, then gradually becoming mostly sunny, with a high near 61. Southwest wind 11 to 13 mph. Chance of precipitation is 30%.
Thursday Night
Showers likely, mainly after 11pm. Mostly cloudy, with a low around 45. South wind 7 to 13 mph becoming northwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
A 40 percent chance of showers before 2pm. Mostly cloudy, with a steady temperature around 48. North wind 7 to 9 mph.
Friday Night
Mostly cloudy, with a low around 29. Light and variable wind.
Saturday
Mostly sunny, with a high near 41.
Saturday Night
Partly cloudy, with a low around 27.
Sunday
Mostly sunny, with a high near 46.
Sunday Night
Mostly cloudy, with a low around 36.
Monday
Mostly cloudy, with a high near 55.
Monday Night
Mostly cloudy, with a low around 43.
Tuesday
A 40 percent chance of rain. Partly sunny, with a high near 55.
Tuesday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 39.
Wednesday
A 40 percent chance of rain. Mostly cloudy, with a high near 53.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Essex CT
 41.36°N 72.4°W (Elev. 92 ft)
Last Update:
2:21 am EDT Mar 26, 2026
Forecast Valid:
3am EDT Mar 26, 2026-6pm EDT Apr 1, 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