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.

Mostly Cloudy

83°F

28°C

Humidity 77%
Wind Speed W 7 mph
Barometer 29.92 in (1013.0 mb)
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index90°F (32°C)
Last update 9 Aug 3:56 pm EDT
Extended Forecast for

Poquonock Bridge CT

Heat Advisory August 9, 04:22pm until August 9, 07:00pm
Click here for hazard details and duration
...
  •  
    Heat Advisory August 9, 04:22pm until August 9, 07:00pm

    NOW until 7:00pm Sun

    Heat Advisory

  • Tonight

    Low: 65 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 86. Calm wind becoming south 5 to 8 mph in the afternoon.

    High: 86 °F

    Sunny

  • Monday Night

    Monday Night: A 40 percent chance of showers and thunderstorms, mainly between 8pm and 11pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 70. Southwest wind 3 to 5 mph.

    Low: 70 °F

    Chance
    Showers then
    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 86. West wind 5 to 9 mph.

    High: 86 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 63. Light northwest wind.

    Low: 63 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 66.

    Low: 66 °F

    Partly Cloudy
    then Chance
    T-storms

  • Thursday

    Thursday: A chance of showers and thunderstorms. Partly sunny, with a high near 82. Chance of precipitation is 40%.

    High: 82 °F

    Chance
    T-storms then
    Chance
    Showers

Detailed Forecast

Tonight
Mostly clear, with a low around 65. West wind 5 to 7 mph becoming calm in the evening.
Monday
Sunny, with a high near 86. Calm wind becoming south 5 to 8 mph in the afternoon.
Monday Night
A 40 percent chance of showers and thunderstorms, mainly between 8pm and 11pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 70. Southwest wind 3 to 5 mph.
Tuesday
Sunny, with a high near 86. West wind 5 to 9 mph.
Tuesday Night
Partly cloudy, with a low around 63. Light northwest wind.
Wednesday
Mostly sunny, with a high near 82.
Wednesday Night
A 40 percent chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 66.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 82. Chance of precipitation is 40%.
Thursday Night
Partly cloudy, with a low around 61.
Friday
Sunny, with a high near 79.
Friday Night
Mostly clear, with a low around 58.
Saturday
Sunny, with a high near 78.
Saturday Night
Partly cloudy, with a low around 58.
Sunday
Mostly sunny, with a high near 76.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Poquonock Bridge CT
 41.33°N 72.02°W (Elev. 43 ft)
Last Update:
2:26 pm EDT Aug 9, 2026
Forecast Valid:
4pm EDT Aug 9, 2026-6pm EDT Aug 16, 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