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.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

Essex CT

Heat Advisory June 24, 04:43am until June 24, 06:00am
Extreme Heat Warning June 24, 06:00am until June 24, 08:00pm
Click here for hazard details and duration
...
Extreme Heat Warning
  •  
    Heat Advisory June 24, 04:43am until June 24, 06:00am

    NOW until 6:00am Tue

    Heat Advisory

  • Today

    High: 100 °F

    Hot

  • Tonight

    Tonight: Mostly clear, with a low around 76. Light and variable wind.

    Low: 76 °F

    Mostly Clear

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 92. Heat index values as high as 100. Northwest wind 3 to 6 mph.

    High: 92 °F

    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Light and variable wind.

    Low: 67 °F

    Chance
    T-storms

  • Thursday

    Thursday: A chance of showers and thunderstorms. Mostly cloudy, with a high near 73. East wind around 7 mph. Chance of precipitation is 40%.

    High: 73 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A 30 percent chance of showers before 2am. Mostly cloudy, with a low around 60.

    Low: 60 °F

    Chance
    Showers

  • Friday

    Friday: Mostly cloudy, with a high near 71.

    High: 71 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: A 30 percent chance of showers after 2am. Mostly cloudy, with a low around 61.

    Low: 61 °F

    Mostly Cloudy
    then Chance
    Showers

Detailed Forecast

Today
Sunny and hot, with a high near 100. Heat index values as high as 109. Calm wind becoming west 5 to 7 mph in the afternoon.
Tonight
Mostly clear, with a low around 76. Light and variable wind.
Wednesday
A 40 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 92. Heat index values as high as 100. Northwest wind 3 to 6 mph.
Wednesday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Light and variable wind.
Thursday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 73. East wind around 7 mph. Chance of precipitation is 40%.
Thursday Night
A 30 percent chance of showers before 2am. Mostly cloudy, with a low around 60.
Friday
Mostly cloudy, with a high near 71.
Friday Night
A 30 percent chance of showers after 2am. Mostly cloudy, with a low around 61.
Saturday
A 40 percent chance of showers. Mostly cloudy, with a high near 74.
Saturday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 65.
Sunday
Partly sunny, with a high near 81.
Sunday Night
Mostly cloudy, with a low around 66.
Monday
Partly sunny, with a high near 86.
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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:
3:07 am EDT Jun 24, 2025
Forecast Valid:
4am EDT Jun 24, 2025-6pm EDT Jun 30, 2025
 
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