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.

Mostly Cloudy

72°F

22°C

Humidity 73%
Wind Speed SE 5 mph
Barometer 30.15 in (1020.8 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 16 Aug 10:56 am EDT
Extended Forecast for

Poquonock Bridge CT

  • Today

    Today: Mostly sunny, with a high near 80. Light south wind increasing to 5 to 9 mph in the afternoon.

    High: 80 °F

    Mostly Sunny

  • Tonight

    Tonight: Showers, mainly after 2am. Low around 66. South wind around 8 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 66 °F

    Chance
    Showers then
    Showers

  • Monday

    Monday: Showers and possibly a thunderstorm before 11am, then showers likely. High near 79. Southeast wind 7 to 11 mph becoming east in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 79 °F

    Showers

  • Monday Night

    Monday Night: Partly cloudy, with a low around 65. Calm wind.

    Low: 65 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 83. Light and variable wind becoming north around 5 mph in the morning.

    High: 83 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 64.

    Low: 64 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 83.

    High: 83 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 66.

    Low: 66 °F

    Partly Cloudy

  • Thursday

    Thursday: A 50 percent chance of showers after 8am. Partly sunny, with a high near 81.

    High: 81 °F

    Chance
    Showers

Detailed Forecast

Today
Mostly sunny, with a high near 80. Light south wind increasing to 5 to 9 mph in the afternoon.
Tonight
Showers, mainly after 2am. Low around 66. South wind around 8 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Monday
Showers and possibly a thunderstorm before 11am, then showers likely. High near 79. Southeast wind 7 to 11 mph becoming east in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Monday Night
Partly cloudy, with a low around 65. Calm wind.
Tuesday
Mostly sunny, with a high near 83. Light and variable wind becoming north around 5 mph in the morning.
Tuesday Night
Partly cloudy, with a low around 64.
Wednesday
Sunny, with a high near 83.
Wednesday Night
Partly cloudy, with a low around 66.
Thursday
A 50 percent chance of showers after 8am. Partly sunny, with a high near 81.
Thursday Night
Partly cloudy, with a low around 59.
Friday
Mostly sunny, with a high near 80.
Friday Night
A 30 percent chance of showers. Partly cloudy, with a low around 60.
Saturday
A 30 percent chance of showers. Partly sunny, with a high near 79.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Poquonock Bridge CT
 41.36°N 72.02°W (Elev. 98 ft)
Last Update:
2:19 am EDT Aug 16, 2026
Forecast Valid:
11am EDT Aug 16, 2026-6pm EDT Aug 22, 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