National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Groton / New London, Groton / New London Airport (KGON)

Lat: 41.33°NLon: 72.05°WElev: 10ft.

Fair

56°F

13°C

Humidity 72%
Wind Speed S 12 mph
Barometer 30.18 in (1022.0 mb)
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Last update 15 Oct 8:56 pm EDT
Extended Forecast for

Essex CT

  • Tonight

    Tonight: A 30 percent chance of showers after 5am. Increasing clouds, with a temperature falling to near 48 by midnight, then rising to around 54 during the remainder of the night. Calm wind becoming southeast around 5 mph after midnight.

    Low: 48 °F⇑

    Partly Cloudy
    then Chance
    Showers

  • Friday

    Friday: Showers, with thunderstorms also possible after 2pm. High near 71. Southwest wind 9 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 71 °F

    Showers then
    Showers
    Likely

  • Friday Night

    Friday Night: Showers and thunderstorms before 11pm, then showers likely. Low around 42. Southwest wind 5 to 9 mph becoming northwest after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 42 °F

    Showers then
    Showers
    Likely

  • Saturday

    Saturday: A 30 percent chance of showers before 8am. Cloudy through mid morning, then gradual clearing, with a high near 54. North wind around 14 mph, with gusts as high as 26 mph.

    High: 54 °F

    Chance
    Showers then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 34. North wind 5 to 7 mph.

    Low: 34 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 57.

    High: 57 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 38.

    Low: 38 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 62.

    High: 62 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 41.

    Low: 41 °F

    Partly Cloudy

Detailed Forecast

Tonight
A 30 percent chance of showers after 5am. Increasing clouds, with a temperature falling to near 48 by midnight, then rising to around 54 during the remainder of the night. Calm wind becoming southeast around 5 mph after midnight.
Friday
Showers, with thunderstorms also possible after 2pm. High near 71. Southwest wind 9 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
Showers and thunderstorms before 11pm, then showers likely. Low around 42. Southwest wind 5 to 9 mph becoming northwest after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
A 30 percent chance of showers before 8am. Cloudy through mid morning, then gradual clearing, with a high near 54. North wind around 14 mph, with gusts as high as 26 mph.
Saturday Night
Mostly clear, with a low around 34. North wind 5 to 7 mph.
Sunday
Sunny, with a high near 57.
Sunday Night
Mostly clear, with a low around 38.
Monday
Sunny, with a high near 62.
Monday Night
Partly cloudy, with a low around 41.
Tuesday
Mostly sunny, with a high near 65.
Tuesday Night
Partly cloudy, with a low around 43.
Wednesday
Sunny, with a high near 64.
Wednesday Night
Mostly clear, with a low around 40.
Thursday
Sunny, with a high near 61.
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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:
2:36 pm EDT Oct 15, 2026
Forecast Valid:
9pm EDT Oct 15, 2026-6pm EDT Oct 22, 2026
 
Forecast Discussion
 
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Additional Resources

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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