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.

Fair

40°F

4°C

Humidity 93%
Wind Speed S 9 mph
Barometer 30.27 in (1025.0 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Wind Chill34°F (1°C)
Last update 30 Mar 4:56 am EDT
Extended Forecast for

Poquonock Bridge CT

  • Today

    Today: Mostly cloudy, with a high near 57. Southwest wind 8 to 14 mph, with gusts as high as 31 mph.

    High: 57 °F

    Mostly Cloudy

  • Tonight

    Tonight: A 40 percent chance of showers, mainly after 2am. Mostly cloudy, with a low around 46. Southwest wind 6 to 9 mph, with gusts as high as 23 mph.

    Low: 46 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A 40 percent chance of showers before 2pm. Mostly cloudy, with a high near 61. Southwest wind 8 to 10 mph, with gusts as high as 22 mph.

    High: 61 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 49. Southwest wind 9 to 13 mph, with gusts as high as 26 mph.

    Low: 49 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 50 percent chance of showers after 2pm. Partly sunny, with a high near 64. Southwest wind 11 to 14 mph, with gusts as high as 25 mph.

    High: 64 °F

    Partly Sunny
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: Showers likely, mainly between 8pm and 2am. Mostly cloudy, with a low around 42. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 42 °F

    Showers
    Likely

  • Thursday

    Thursday: A 40 percent chance of showers. Mostly cloudy, with a high near 48.

    High: 48 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A 30 percent chance of rain. Cloudy, with a low around 38.

    Low: 38 °F

    Chance Rain

  • Friday

    Friday: A 30 percent chance of rain. Mostly cloudy, with a high near 57.

    High: 57 °F

    Chance Rain

Detailed Forecast

Today
Mostly cloudy, with a high near 57. Southwest wind 8 to 14 mph, with gusts as high as 31 mph.
Tonight
A 40 percent chance of showers, mainly after 2am. Mostly cloudy, with a low around 46. Southwest wind 6 to 9 mph, with gusts as high as 23 mph.
Tuesday
A 40 percent chance of showers before 2pm. Mostly cloudy, with a high near 61. Southwest wind 8 to 10 mph, with gusts as high as 22 mph.
Tuesday Night
Mostly cloudy, with a low around 49. Southwest wind 9 to 13 mph, with gusts as high as 26 mph.
Wednesday
A 50 percent chance of showers after 2pm. Partly sunny, with a high near 64. Southwest wind 11 to 14 mph, with gusts as high as 25 mph.
Wednesday Night
Showers likely, mainly between 8pm and 2am. Mostly cloudy, with a low around 42. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
A 40 percent chance of showers. Mostly cloudy, with a high near 48.
Thursday Night
A 30 percent chance of rain. Cloudy, with a low around 38.
Friday
A 30 percent chance of rain. Mostly cloudy, with a high near 57.
Friday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 46.
Saturday
A 30 percent chance of rain. Mostly cloudy, with a high near 58.
Saturday Night
A 40 percent chance of rain. Cloudy, with a low around 42.
Sunday
A 50 percent chance of rain. Cloudy, with a high near 58.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Poquonock Bridge CT
 41.36°N 72.02°W (Elev. 98 ft)
Last Update:
2:28 am EDT Mar 30, 2026
Forecast Valid:
5am EDT Mar 30, 2026-6pm EDT Apr 5, 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