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.

A Few Clouds with Haze

83°F

28°C

Humidity 55%
Wind Speed NW 14 G 24 mph
Barometer 29.79 in (1008.7 mb)
Dewpoint 65°F (18°C)
Visibility 2.50 mi
Heat Index85°F (29°C)
Last update 15 Jul 3:56 pm EDT
Extended Forecast for

Gales Ferry CT

Heat Advisory July 15, 04:16pm until July 15, 09:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory July 15, 04:16pm until July 15, 09:00pm

    NOW until 9:00pm Wed

    Heat Advisory

  • This Afternoon

    High: 93 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: Patchy smoke before 2am. Mostly cloudy, with a low around 69. Northwest wind around 6 mph becoming calm after midnight.

    Low: 69 °F

    Patchy Smoke

  • Thursday

    Thursday: Patchy smoke after 9am. Mostly sunny, with a high near 90. Light west wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 23 mph.

    High: 90 °F

    Patchy Smoke

  • Thursday Night

    Thursday Night: Widespread smoke, mainly between 2am and 3am. Mostly clear, with a low around 66. West wind around 6 mph becoming calm in the evening.

    Low: 66 °F

    Smoke

  • Friday

    Friday: Areas of smoke before 8am. Sunny, with a high near 88. Calm wind becoming northwest 5 to 7 mph in the morning.

    High: 88 °F

    Areas Smoke
    then Sunny

  • Friday Night

    Friday Night: Increasing clouds, with a low around 66.

    Low: 66 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Showers likely, mainly after 2pm. Mostly cloudy, with a high near 85. Chance of precipitation is 60%.

    High: 85 °F

    Chance
    Showers then
    Showers
    Likely

  • Saturday Night

    Saturday Night: Showers likely before 8pm, then showers and possibly a thunderstorm between 8pm and 2am, then showers after 2am. Low around 69. Chance of precipitation is 90%.

    Low: 69 °F

    Showers

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms after 5pm. Areas of smoke. Mostly sunny, with a high near 93. Heat index values as high as 96. West wind around 11 mph, with gusts as high as 21 mph.
Tonight
Patchy smoke before 2am. Mostly cloudy, with a low around 69. Northwest wind around 6 mph becoming calm after midnight.
Thursday
Patchy smoke after 9am. Mostly sunny, with a high near 90. Light west wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 23 mph.
Thursday Night
Widespread smoke, mainly between 2am and 3am. Mostly clear, with a low around 66. West wind around 6 mph becoming calm in the evening.
Friday
Areas of smoke before 8am. Sunny, with a high near 88. Calm wind becoming northwest 5 to 7 mph in the morning.
Friday Night
Increasing clouds, with a low around 66.
Saturday
Showers likely, mainly after 2pm. Mostly cloudy, with a high near 85. Chance of precipitation is 60%.
Saturday Night
Showers likely before 8pm, then showers and possibly a thunderstorm between 8pm and 2am, then showers after 2am. Low around 69. Chance of precipitation is 90%.
Sunday
Partly sunny, with a high near 87.
Sunday Night
Mostly clear, with a low around 63.
Monday
Sunny, with a high near 84.
Monday Night
Partly cloudy, with a low around 66.
Tuesday
A 50 percent chance of showers. Partly sunny, with a high near 84.
Tuesday Night
Showers likely. Mostly cloudy, with a low around 67. Chance of precipitation is 60%.
Wednesday
A chance of showers. Partly sunny, with a high near 85.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Gales Ferry CT
 41.43°N 72.09°W (Elev. 56 ft)
Last Update:
2:20 pm EDT Jul 15, 2026
Forecast Valid:
4pm EDT Jul 15, 2026-6pm EDT Jul 22, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation