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

42°F

6°C

Humidity 73%
Wind Speed SE 5 mph
Barometer 30.13 in (1020.1 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 10 Jan 2:56 pm EST
Extended Forecast for

Poquonock Bridge CT

  • This Afternoon

    This Afternoon: Rain, mainly after 4pm. Steady temperature around 42. East wind around 6 mph. Chance of precipitation is 100%. New precipitation amounts of less than a tenth of an inch possible.

    High: 42 °F

    Rain

  • Tonight

    Tonight: Rain, mainly before 4am. Areas of fog after 1am. Low around 39. East wind 5 to 8 mph becoming light and variable after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.

    Low: 39 °F

    Rain and
    Areas Fog

  • Sunday

    Sunday: A chance of rain before 1pm, then a slight chance of rain and snow showers after 4pm. Cloudy, then gradually becoming mostly sunny, with a high near 44. Light northwest wind becoming west 5 to 9 mph in the morning. Winds could gust as high as 22 mph. Chance of precipitation is 30%.

    High: 44 °F

    Chance Rain
    then Chance
    Rain/Snow

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 27. Wind chill values between 15 and 20. West wind 10 to 13 mph, with gusts as high as 33 mph.

    Low: 27 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 39. West wind 8 to 11 mph, with gusts as high as 26 mph.

    High: 39 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 30.

    Low: 30 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 43.

    High: 43 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 35.

    Low: 35 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 46.

    High: 46 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
Rain, mainly after 4pm. Steady temperature around 42. East wind around 6 mph. Chance of precipitation is 100%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Rain, mainly before 4am. Areas of fog after 1am. Low around 39. East wind 5 to 8 mph becoming light and variable after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.
Sunday
A chance of rain before 1pm, then a slight chance of rain and snow showers after 4pm. Cloudy, then gradually becoming mostly sunny, with a high near 44. Light northwest wind becoming west 5 to 9 mph in the morning. Winds could gust as high as 22 mph. Chance of precipitation is 30%.
Sunday Night
Partly cloudy, with a low around 27. Wind chill values between 15 and 20. West wind 10 to 13 mph, with gusts as high as 33 mph.
Monday
Sunny, with a high near 39. West wind 8 to 11 mph, with gusts as high as 26 mph.
Monday Night
Mostly clear, with a low around 30.
Tuesday
Sunny, with a high near 43.
Tuesday Night
Mostly cloudy, with a low around 35.
Wednesday
Mostly cloudy, with a high near 46.
Wednesday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 30.
Thursday
Partly sunny, with a high near 39.
Thursday Night
Partly cloudy, with a low around 21.
Friday
Mostly sunny, with a high near 33.
Friday Night
Partly cloudy, with a low around 22.
Saturday
Mostly sunny, with a high near 38.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Poquonock Bridge CT
 41.33°N 72.02°W (Elev. 43 ft)
Last Update:
1:33 pm EST Jan 10, 2026
Forecast Valid:
3pm EST Jan 10, 2026-6pm EST Jan 17, 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