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.

Fair

72°F

22°C

Humidity 76%
Wind Speed S 5 mph
Barometer 30.10 in (1019.4 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 4 Aug 7:56 pm EDT
Extended Forecast for

Poquonock Bridge CT

  • Tonight

    Tonight: Patchy fog before 4am, then patchy fog after 5am. Otherwise, mostly cloudy, with a low around 60. Calm wind.

    Low: 60 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Wednesday

    Wednesday: Areas of fog before 7am. Otherwise, mostly sunny, with a high near 82. Calm wind becoming south around 6 mph in the afternoon.

    High: 82 °F

    Areas Fog
    then Mostly
    Sunny

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers. Patchy fog after 1am. Otherwise, increasing clouds, with a low around 69. Calm wind.

    Low: 69 °F

    Slight Chance
    Showers and
    Patchy Fog

  • Thursday

    Thursday: Mostly cloudy, then gradually becoming sunny, with a high near 86. Light southwest wind increasing to 5 to 9 mph in the morning.

    High: 86 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 72. Southwest wind around 5 mph becoming calm in the evening.

    Low: 72 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

  • Friday Night

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

    Low: 71 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 86.

    High: 86 °F

    Mostly Sunny

  • Saturday Night

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

    Low: 71 °F

    Partly Cloudy

Detailed Forecast

Tonight
Patchy fog before 4am, then patchy fog after 5am. Otherwise, mostly cloudy, with a low around 60. Calm wind.
Wednesday
Areas of fog before 7am. Otherwise, mostly sunny, with a high near 82. Calm wind becoming south around 6 mph in the afternoon.
Wednesday Night
A 20 percent chance of showers. Patchy fog after 1am. Otherwise, increasing clouds, with a low around 69. Calm wind.
Thursday
Mostly cloudy, then gradually becoming sunny, with a high near 86. Light southwest wind increasing to 5 to 9 mph in the morning.
Thursday Night
Mostly clear, with a low around 72. Southwest wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 87.
Friday Night
Partly cloudy, with a low around 71.
Saturday
Mostly sunny, with a high near 86.
Saturday Night
Partly cloudy, with a low around 71.
Sunday
Sunny, with a high near 86.
Sunday Night
Mostly clear, with a low around 69.
Monday
Sunny, with a high near 86.
Monday Night
Partly cloudy, with a low around 68.
Tuesday
A 30 percent chance of showers. Mostly sunny, with a high near 85.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Poquonock Bridge CT
 41.36°N 72.05°W (Elev. 79 ft)
Last Update:
4:10 pm EDT Aug 4, 2026
Forecast Valid:
8pm EDT Aug 4, 2026-6pm EDT Aug 11, 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