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

78°F

26°C

Humidity 82%
Wind Speed S 5 mph
Barometer 30.03 in (1016.8 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 7 Aug 6:56 pm EDT
Extended Forecast for

Gales Ferry CT

Heat Advisory August 7, 07:16pm until August 7, 08:00pm
Click here for hazard details and duration
...
  •  
    Heat Advisory August 7, 07:16pm until August 7, 08:00pm

    NOW until 8:00pm Fri

    Heat Advisory

  • Tonight

    Low: 73 °F

    Chance
    T-storms then
    Chance
    Showers

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms, mainly after 5pm. Mostly cloudy, then gradually becoming sunny, with a high near 87. Heat index values as high as 95. Light southwest wind increasing to 5 to 9 mph in the morning.

    High: 87 °F

    Partly Sunny
    then Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Partly cloudy, with a low around 72. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.

    Low: 72 °F

    Chance
    T-storms then
    Chance
    Showers

  • Sunday

    Sunday: Sunny, with a high near 89. Heat index values as high as 95. West wind 3 to 8 mph.

    High: 89 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 65. Light northwest wind.

    Low: 65 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 70.

    Low: 70 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of showers after 2pm. Mostly sunny, with a high near 87.

    High: 87 °F

    Mostly Sunny
    then Chance
    Showers

Detailed Forecast

Tonight
A chance of showers and thunderstorms. Increasing clouds, with a low around 73. Light southwest wind. Chance of precipitation is 40%.
Saturday
A 30 percent chance of showers and thunderstorms, mainly after 5pm. Mostly cloudy, then gradually becoming sunny, with a high near 87. Heat index values as high as 95. Light southwest wind increasing to 5 to 9 mph in the morning.
Saturday Night
A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Partly cloudy, with a low around 72. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.
Sunday
Sunny, with a high near 89. Heat index values as high as 95. West wind 3 to 8 mph.
Sunday Night
Mostly clear, with a low around 65. Light northwest wind.
Monday
Sunny, with a high near 86.
Monday Night
Partly cloudy, with a low around 70.
Tuesday
A 30 percent chance of showers after 2pm. Mostly sunny, with a high near 87.
Tuesday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 66.
Wednesday
A 30 percent chance of showers after 2pm. Partly sunny, with a high near 83.
Wednesday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 65.
Thursday
A 30 percent chance of showers. Partly sunny, with a high near 82.
Thursday Night
Partly cloudy, with a low around 62.
Friday
Mostly sunny, with a high near 81.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Gales Ferry CT
 41.48°N 72.11°W (Elev. 197 ft)
Last Update:
3:38 pm EDT Aug 7, 2026
Forecast Valid:
7pm EDT Aug 7, 2026-6pm EDT Aug 14, 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