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.

Overcast

44°F

7°C

Humidity 89%
Wind Speed S 3 mph
Barometer 29.72 in (1006.5 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Last update 21 Mar 4:56 am EDT
Extended Forecast for

Poquonock Bridge CT

  • Today

    Today: Mostly sunny, with a high near 53. Northwest wind 5 to 8 mph.

    High: 53 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 37. Calm wind.

    Low: 37 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 30 percent chance of rain after 2pm. Mostly cloudy, with a high near 51. Southwest wind 6 to 10 mph, with gusts as high as 20 mph.

    High: 51 °F

    Mostly Cloudy
    then Chance
    Rain

  • Sunday Night

    Sunday Night: Rain, mainly after 8pm. Low around 35. Light and variable wind becoming north around 5 mph after midnight. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 35 °F

    Rain

  • Monday

    Monday: A chance of rain and snow before 11am, then a chance of rain between 11am and 2pm. Mostly cloudy, with a high near 44. North wind 7 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.

    High: 44 °F

    Chance
    Rain/Snow
    then Chance
    Rain

  • Monday Night

    Monday Night: Partly cloudy, with a low around 28.

    Low: 28 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 43.

    High: 43 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 32.

    Low: 32 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 48.

    High: 48 °F

    Partly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 53. Northwest wind 5 to 8 mph.
Tonight
Mostly cloudy, with a low around 37. Calm wind.
Sunday
A 30 percent chance of rain after 2pm. Mostly cloudy, with a high near 51. Southwest wind 6 to 10 mph, with gusts as high as 20 mph.
Sunday Night
Rain, mainly after 8pm. Low around 35. Light and variable wind becoming north around 5 mph after midnight. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.
Monday
A chance of rain and snow before 11am, then a chance of rain between 11am and 2pm. Mostly cloudy, with a high near 44. North wind 7 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.
Monday Night
Partly cloudy, with a low around 28.
Tuesday
Sunny, with a high near 43.
Tuesday Night
Mostly cloudy, with a low around 32.
Wednesday
Partly sunny, with a high near 48.
Wednesday Night
Mostly cloudy, with a low around 33.
Thursday
Partly sunny, with a high near 47.
Thursday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 36.
Friday
A 30 percent chance of rain. Partly sunny, with a high near 48.
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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:
2:34 am EDT Mar 21, 2026
Forecast Valid:
5am EDT Mar 21, 2026-6pm EDT Mar 27, 2026
 
Forecast Discussion
 
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Additional Resources

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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