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

73°F

23°C

Humidity 96%
Wind Speed SW 5 mph
Barometer 30.01 in (1016.2 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Last update 8 Aug 1:56 am EDT
Extended Forecast for

Gales Ferry CT

Heat Advisory August 8, 11:00am until August 8, 08:00pm
Click here for hazard details and duration
Heat Advisory

  • Overnight

    Overnight: Mostly cloudy, with a low around 73. Calm wind.

    Low: 73 °F

    Mostly Cloudy

  • Saturday

    Saturday: Patchy fog between 7am and 9am. Otherwise, mostly sunny, with a high near 90. Heat index values as high as 98. Light southwest wind increasing to 5 to 9 mph in the morning.

    High: 90 °F

    Patchy Fog
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of showers before 11pm. Partly cloudy, with a low around 73. Southwest wind around 5 mph becoming calm in the evening.

    Low: 73 °F

    Slight Chance
    Showers then
    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 91. Heat index values as high as 97. Calm wind becoming west 5 to 8 mph in the morning.

    High: 91 °F

    Mostly Sunny

  • Sunday Night

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

    Low: 65 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 88.

    High: 88 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 71.

    Low: 71 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of showers after 2pm. Mostly sunny, with a high near 89.

    High: 89 °F

    Mostly Sunny
    then Chance
    Showers

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers before 8pm. Partly cloudy, with a low around 66.

    Low: 66 °F

    Chance
    Showers then
    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 73. Calm wind.
Saturday
Patchy fog between 7am and 9am. Otherwise, mostly sunny, with a high near 90. Heat index values as high as 98. Light southwest wind increasing to 5 to 9 mph in the morning.
Saturday Night
A 20 percent chance of showers before 11pm. Partly cloudy, with a low around 73. Southwest wind around 5 mph becoming calm in the evening.
Sunday
Mostly sunny, with a high near 91. Heat index values as high as 97. Calm wind becoming west 5 to 8 mph in the morning.
Sunday Night
Mostly clear, with a low around 65. Calm wind.
Monday
Sunny, with a high near 88.
Monday Night
Partly cloudy, with a low around 71.
Tuesday
A 30 percent chance of showers after 2pm. Mostly sunny, with a high near 89.
Tuesday Night
A 30 percent chance of showers before 8pm. Partly cloudy, with a low around 66.
Wednesday
A 30 percent chance of showers before 2pm. Mostly sunny, with a high near 85.
Wednesday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 65.
Thursday
A 30 percent chance of showers. Mostly sunny, with a high near 85.
Thursday Night
A 30 percent chance of showers. Partly cloudy, with a low around 63.
Friday
Mostly sunny, with a high near 83.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Gales Ferry CT
 41.45°N 72.09°W (Elev. 92 ft)
Last Update:
2:28 am EDT Aug 8, 2026
Forecast Valid:
2am EDT Aug 8, 2026-6pm EDT Aug 14, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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