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.

A Few Clouds

41°F

5°C

Humidity 47%
Wind Speed E 16 G 24 mph
Barometer 30.49 in (1032.3 mb)
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Wind Chill33°F (1°C)
Last update 15 Mar 11:56 am EDT
Extended Forecast for

Poquonock Bridge CT

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 44. Southeast wind 6 to 9 mph.

    High: 44 °F

    Partly Sunny

  • Tonight

    Tonight: Showers and possibly a thunderstorm, mainly after 5am. Patchy fog after 2am. Temperature falling to near 37 by 8pm, then rising to around 43 during the remainder of the night. East wind 6 to 11 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 37 °F⇑

    Partly Cloudy
    then Showers
    and Patchy
    Fog

  • Monday

    Monday: Intermittent showers and thunderstorms. Patchy fog before noon. Otherwise, cloudy, with a high near 56. South wind 16 to 18 mph, with gusts as high as 38 mph. Chance of precipitation is 50%.

    High: 56 °F

    Intermittent
    T-storms and
    Patchy Fog

  • Monday Night

    Monday Night: Periods of showers and possibly a thunderstorm before 2am, then showers likely. Some of the storms could produce heavy rainfall. Low around 38. Breezy, with a south wind 16 to 21 mph, with gusts as high as 46 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 38 °F

    Heavy Rain
    and Breezy

  • Tuesday

    Tuesday: Showers likely before 8am. Mostly cloudy, then gradually becoming sunny, with a steady temperature around 40. West wind 10 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 60%.

    High: 40 °F

    Showers
    Likely then
    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 23.

    Low: 23 °F

    Mostly Clear

  • Wednesday

    Wednesday: Increasing clouds, with a high near 37.

    High: 37 °F

    Increasing
    Clouds

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 27.

    Low: 27 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 43.

    High: 43 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 44. Southeast wind 6 to 9 mph.
Tonight
Showers and possibly a thunderstorm, mainly after 5am. Patchy fog after 2am. Temperature falling to near 37 by 8pm, then rising to around 43 during the remainder of the night. East wind 6 to 11 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday
Intermittent showers and thunderstorms. Patchy fog before noon. Otherwise, cloudy, with a high near 56. South wind 16 to 18 mph, with gusts as high as 38 mph. Chance of precipitation is 50%.
Monday Night
Periods of showers and possibly a thunderstorm before 2am, then showers likely. Some of the storms could produce heavy rainfall. Low around 38. Breezy, with a south wind 16 to 21 mph, with gusts as high as 46 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Tuesday
Showers likely before 8am. Mostly cloudy, then gradually becoming sunny, with a steady temperature around 40. West wind 10 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 60%.
Tuesday Night
Mostly clear, with a low around 23.
Wednesday
Increasing clouds, with a high near 37.
Wednesday Night
Mostly cloudy, with a low around 27.
Thursday
Partly sunny, with a high near 43.
Thursday Night
Mostly cloudy, with a low around 30.
Friday
Mostly sunny, with a high near 48.
Friday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 33.
Saturday
A 50 percent chance of rain. Partly sunny, with a high near 47.
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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:
6:56 am EDT Mar 15, 2026
Forecast Valid:
12pm EDT Mar 15, 2026-6pm EDT Mar 21, 2026
 
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Additional Resources

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Chance of Precipitation