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

61°F

16°C

Humidity 84%
Wind Speed Calm
Barometer 30.01 in (1016.3 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 25 Jul 9:56 pm EDT
Extended Forecast for

Essex CT

  • Tonight

    Tonight: Mostly clear, with a low around 58. Calm wind.

    Low: 58 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 82. Calm wind becoming east 5 to 8 mph in the afternoon.

    High: 82 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 59. Light and variable wind.

    Low: 59 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 81. Calm wind becoming south 5 to 7 mph in the afternoon.

    High: 81 °F

    Sunny

  • Monday Night

    Monday Night: A 30 percent chance of showers after 2am. Partly cloudy, with a low around 65. Light south wind.

    Low: 65 °F

    Partly Cloudy
    then Chance
    Showers

  • Tuesday

    Tuesday: Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 79. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    High: 79 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm. Low around 65. Chance of precipitation is 80%.

    Low: 65 °F

    Showers

  • Wednesday

    Wednesday: Showers likely. Mostly cloudy, with a high near 79. Chance of precipitation is 70%.

    High: 79 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers before 2am. Mostly cloudy, with a low around 64.

    Low: 64 °F

    Chance
    Showers

Detailed Forecast

Tonight
Mostly clear, with a low around 58. Calm wind.
Sunday
Sunny, with a high near 82. Calm wind becoming east 5 to 8 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 59. Light and variable wind.
Monday
Sunny, with a high near 81. Calm wind becoming south 5 to 7 mph in the afternoon.
Monday Night
A 30 percent chance of showers after 2am. Partly cloudy, with a low around 65. Light south wind.
Tuesday
Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 79. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday Night
Showers and possibly a thunderstorm. Low around 65. Chance of precipitation is 80%.
Wednesday
Showers likely. Mostly cloudy, with a high near 79. Chance of precipitation is 70%.
Wednesday Night
A 40 percent chance of showers before 2am. Mostly cloudy, with a low around 64.
Thursday
A 40 percent chance of showers after 8am. Partly sunny, with a high near 82.
Thursday Night
Partly cloudy, with a low around 64.
Friday
Mostly sunny, with a high near 83.
Friday Night
Mostly clear, with a low around 66.
Saturday
Mostly sunny, with a high near 84.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Essex CT
 41.36°N 72.43°W (Elev. 95 ft)
Last Update:
2:21 pm EDT Jul 25, 2026
Forecast Valid:
10pm EDT Jul 25, 2026-6pm EDT Aug 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