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

78°F

26°C

Humidity 39%
Wind Speed N 9 mph
Barometer 29.88 in (1011.7 mb)
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 26 Jul 12:56 pm EDT
Extended Forecast for

Essex CT

  • This Afternoon

    This Afternoon: Sunny, with a high near 82. Calm wind.

    High: 82 °F

    Sunny

  • Tonight

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

    Low: 58 °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 64. Light south wind.

    Low: 64 °F

    Mostly Clear
    then Chance
    Showers

  • Tuesday

    Tuesday: Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 79. 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: 79 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers, with thunderstorms also possible after 8pm. Low around 64. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.

    Low: 64 °F

    Showers

  • Wednesday

    Wednesday: Showers likely, then showers and possibly a thunderstorm after 2pm. High near 77. Chance of precipitation is 80%.

    High: 77 °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 chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 78. Chance of precipitation is 50%.

    High: 78 °F

    Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

This Afternoon
Sunny, with a high near 82. Calm wind.
Tonight
Mostly clear, with a low around 58. 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 64. Light south wind.
Tuesday
Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 79. 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 64. 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 77. 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 chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 78. Chance of precipitation is 50%.
Thursday Night
A chance of thunderstorms before 8pm. Partly cloudy, with a low around 63. Chance of precipitation is 30%.
Friday
A 30 percent chance of showers. Mostly sunny, with a high near 81.
Friday Night
A 30 percent chance of showers. Partly cloudy, with a low around 65.
Saturday
Mostly sunny, with a high near 82.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Essex CT
 41.38°N 72.4°W (Elev. 197 ft)
Last Update:
2:49 am EDT Jul 26, 2026
Forecast Valid:
1pm 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