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

73°F

23°C

Humidity 48%
Wind Speed NE 12 mph
Barometer 29.92 in (1013.2 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 26 Jul 9:56 am EDT
Extended Forecast for

Essex CT

  • Today

    Today: Sunny, with a high near 82. Calm wind.

    High: 82 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 59. Calm wind.

    Low: 59 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 82. Calm wind becoming south around 6 mph in the afternoon.

    High: 82 °F

    Sunny

  • Monday Night

    Monday Night: A 40 percent chance of showers after 2am. Partly cloudy, with a low around 65. Light south wind.

    Low: 65 °F

    Mostly Clear
    then Chance
    Showers

  • Tuesday

    Tuesday: Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 80. Light south wind increasing to 6 to 11 mph in the morning. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 80 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers, with thunderstorms also possible after 8pm. Low around 65. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.

    Low: 65 °F

    Showers

  • Wednesday

    Wednesday: Showers likely, then showers and possibly a thunderstorm after 2pm. High near 78. Chance of precipitation is 80%.

    High: 78 °F

    Showers

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm before 8pm, then showers likely. Low around 63. Chance of precipitation is 80%.

    Low: 63 °F

    Showers

  • Thursday

    Thursday: A 50 percent chance of showers. Partly sunny, with a high near 79.

    High: 79 °F

    Chance
    Showers

Detailed Forecast

Today
Sunny, with a high near 82. Calm wind.
Tonight
Mostly clear, with a low around 59. Calm wind.
Monday
Sunny, with a high near 82. Calm wind becoming south around 6 mph in the afternoon.
Monday Night
A 40 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 80. Light south wind increasing to 6 to 11 mph in the morning. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Showers, with thunderstorms also possible after 8pm. Low around 65. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
Wednesday
Showers likely, then showers and possibly a thunderstorm after 2pm. High near 78. Chance of precipitation is 80%.
Wednesday Night
Showers and possibly a thunderstorm before 8pm, then showers likely. Low around 63. Chance of precipitation is 80%.
Thursday
A 50 percent chance of showers. Partly sunny, with a high near 79.
Thursday Night
Partly cloudy, with a low around 63.
Friday
A 30 percent chance of showers. Mostly sunny, with a high near 82.
Friday Night
A 30 percent chance of showers. Partly cloudy, with a low around 65.
Saturday
Mostly sunny, with a high near 83.
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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:
2:49 am EDT Jul 26, 2026
Forecast Valid:
10am EDT Jul 26, 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