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

27°F

-3°C

Humidity 96%
Wind Speed Calm
Barometer 30.23 in (1023.6 mb)
Dewpoint 26°F (-3°C)
Visibility 8.00 mi
Last update 5 Mar 2:56 am EST
Extended Forecast for

Essex CT

  • Overnight

    Overnight: Patchy fog. Otherwise, mostly cloudy, with a steady temperature around 33. Calm wind.

    Low: 33 °F

    Patchy Fog

  • Thursday

    Thursday: A slight chance of freezing rain before 8am, then rain. Patchy fog. High near 41. Calm wind becoming northeast around 5 mph in the afternoon. Chance of precipitation is 90%. Little or no ice accumulation expected.

    High: 41 °F

    Rain/Freezing
    Rain and
    Patchy Fog
    then Rain and
    Patchy Fog

  • Thursday Night

    Thursday Night: Rain. Patchy fog. Low around 34. Northeast wind 6 to 9 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 34 °F

    Rain and
    Patchy Fog

  • Friday

    Friday: Rain, mainly before 7am. Patchy fog before 10am. High near 42. Northeast wind 7 to 9 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 42 °F

    Rain and
    Patchy Fog
    then Slight
    Chance Rain

  • Friday Night

    Friday Night: Cloudy, with a low around 33. Northeast wind around 5 mph becoming calm in the evening.

    Low: 33 °F

    Cloudy

  • Saturday

    Saturday: Cloudy, with a high near 49.

    High: 49 °F

    Cloudy

  • Saturday Night

    Saturday Night: Showers likely, mainly after 1am. Cloudy, with a low around 42. Chance of precipitation is 60%.

    Low: 42 °F

    Showers
    Likely

  • Sunday

    Sunday: Partly sunny, with a high near 55.

    High: 55 °F

    Partly Sunny

  • Sunday Night

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

    Low: 36 °F

    Partly Cloudy

Detailed Forecast

Overnight
Patchy fog. Otherwise, mostly cloudy, with a steady temperature around 33. Calm wind.
Thursday
A slight chance of freezing rain before 8am, then rain. Patchy fog. High near 41. Calm wind becoming northeast around 5 mph in the afternoon. Chance of precipitation is 90%. Little or no ice accumulation expected.
Thursday Night
Rain. Patchy fog. Low around 34. Northeast wind 6 to 9 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Friday
Rain, mainly before 7am. Patchy fog before 10am. High near 42. Northeast wind 7 to 9 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
Cloudy, with a low around 33. Northeast wind around 5 mph becoming calm in the evening.
Saturday
Cloudy, with a high near 49.
Saturday Night
Showers likely, mainly after 1am. Cloudy, with a low around 42. Chance of precipitation is 60%.
Sunday
Partly sunny, with a high near 55.
Sunday Night
Partly cloudy, with a low around 36.
Monday
Sunny, with a high near 56.
Monday Night
Partly cloudy, with a low around 41.
Tuesday
Mostly sunny, with a high near 62.
Tuesday Night
Mostly cloudy, with a low around 42.
Wednesday
A 30 percent chance of rain. Cloudy, with a high near 57.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Essex CT
 41.36°N 72.4°W (Elev. 92 ft)
Last Update:
12:54 am EST Mar 5, 2026
Forecast Valid:
3am EST Mar 5, 2026-6pm EDT Mar 11, 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