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

48°F

9°C

Humidity 89%
Wind Speed S 8 mph
Barometer 30.21 in (1022.8 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 3 Apr 1:56 pm EDT
Extended Forecast for

Poquonock Bridge CT

  • This Afternoon

    This Afternoon: Mostly cloudy, with a steady temperature around 50. Southwest wind around 9 mph.

    High: 50 °F

    Mostly Cloudy

  • Tonight

    Tonight: Areas of dense fog after 8pm. Otherwise, mostly cloudy, with a low around 48. Southwest wind around 7 mph.

    Low: 48 °F

    Areas Dense
    Fog

  • Saturday

    Saturday: Areas of fog before 8am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 62. Light and variable wind becoming east 5 to 10 mph in the afternoon.

    High: 62 °F

    Areas Fog
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 39. East wind 6 to 9 mph, with gusts as high as 21 mph.

    Low: 39 °F

    Chance
    Showers

  • Sunday

    Sunday: Showers likely before 11am, then showers likely and possibly a thunderstorm between 11am and 2pm, then showers after 2pm. High near 57. Southwest wind 9 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 57 °F

    Showers

  • Sunday Night

    Sunday Night: Showers before 8pm. Low around 38. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 38 °F

    Showers then
    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 52.

    High: 52 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 36.

    Low: 36 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A chance of rain and snow showers before 2pm. Mostly sunny, with a high near 49. Chance of precipitation is 30%.

    High: 49 °F

    Chance
    Rain/Snow

Detailed Forecast

This Afternoon
Mostly cloudy, with a steady temperature around 50. Southwest wind around 9 mph.
Tonight
Areas of dense fog after 8pm. Otherwise, mostly cloudy, with a low around 48. Southwest wind around 7 mph.
Saturday
Areas of fog before 8am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 62. Light and variable wind becoming east 5 to 10 mph in the afternoon.
Saturday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 39. East wind 6 to 9 mph, with gusts as high as 21 mph.
Sunday
Showers likely before 11am, then showers likely and possibly a thunderstorm between 11am and 2pm, then showers after 2pm. High near 57. Southwest wind 9 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
Showers before 8pm. Low around 38. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Sunny, with a high near 52.
Monday Night
Partly cloudy, with a low around 36.
Tuesday
A chance of rain and snow showers before 2pm. Mostly sunny, with a high near 49. Chance of precipitation is 30%.
Tuesday Night
Mostly clear, with a low around 28.
Wednesday
Sunny, with a high near 46.
Wednesday Night
Mostly clear, with a low around 34.
Thursday
Sunny, with a high near 53.
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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:
2:23 pm EDT Apr 3, 2026
Forecast Valid:
2pm EDT Apr 3, 2026-6pm EDT Apr 9, 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