National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Groton / New London, Groton / New London Airport (KGON)

Lat: 41.33°NLon: 72.05°WElev: 10ft.

Partly Cloudy

82°F

28°C

Humidity 53%
Wind Speed N 9 mph
Barometer 29.79 in (1008.8 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 4 Sep 1:56 pm EDT
Extended Forecast for

Poquonock Bridge CT

  • This Afternoon

    This Afternoon: Sunny, with a high near 83. Northwest wind 11 to 13 mph.

    High: 83 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 64. Northwest wind around 7 mph.

    Low: 64 °F

    Mostly Clear

  • Saturday

    Saturday: A chance of showers and thunderstorms between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Increasing clouds, with a high near 76. North wind 6 to 8 mph becoming northeast in the afternoon. Chance of precipitation is 60%.

    High: 76 °F

    Sunny then
    Showers
    Likely

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm before 8pm, then a slight chance of showers between 8pm and 11pm. Mostly cloudy, with a low around 58. Light northeast wind. Chance of precipitation is 60%.

    Low: 58 °F

    Showers
    Likely then
    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 70. North wind 5 to 7 mph.

    High: 70 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear

  • Labor Day

    Labor Day: Sunny, with a high near 75.

    High: 75 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 57.

    Low: 57 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 77.

    High: 77 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 83. Northwest wind 11 to 13 mph.
Tonight
Mostly clear, with a low around 64. Northwest wind around 7 mph.
Saturday
A chance of showers and thunderstorms between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Increasing clouds, with a high near 76. North wind 6 to 8 mph becoming northeast in the afternoon. Chance of precipitation is 60%.
Saturday Night
Showers likely and possibly a thunderstorm before 8pm, then a slight chance of showers between 8pm and 11pm. Mostly cloudy, with a low around 58. Light northeast wind. Chance of precipitation is 60%.
Sunday
Mostly sunny, with a high near 70. North wind 5 to 7 mph.
Sunday Night
Mostly clear, with a low around 55.
Labor Day
Sunny, with a high near 75.
Monday Night
Mostly clear, with a low around 57.
Tuesday
Sunny, with a high near 77.
Tuesday Night
Partly cloudy, with a low around 59.
Wednesday
Partly sunny, with a high near 74.
Wednesday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 66.
Thursday
Mostly sunny, with a high near 80.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Poquonock Bridge CT
 41.33°N 72.02°W (Elev. 43 ft)
Last Update:
1:09 pm EDT Sep 4, 2026
Forecast Valid:
2pm EDT Sep 4, 2026-6pm EDT Sep 10, 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