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

42°F

6°C

Humidity 68%
Wind Speed SW 12 mph
Barometer 30.43 in (1030.4 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 29 Mar 6:56 pm EDT
Extended Forecast for

Poquonock Bridge CT

  • Tonight

    Tonight: Mostly cloudy, with a low around 39. Southwest wind 9 to 13 mph.

    Low: 39 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 56. Southwest wind 13 to 17 mph.

    High: 56 °F

    Partly Sunny

  • Monday Night

    Monday Night: A 30 percent chance of rain after 2am. Mostly cloudy, with a low around 46. Southwest wind 6 to 11 mph.

    Low: 46 °F

    Mostly Cloudy
    then Chance
    Rain

  • Tuesday

    Tuesday: A 30 percent chance of rain before 2pm. Partly sunny, with a high near 58. Southwest wind 6 to 11 mph.

    High: 58 °F

    Chance Rain

  • Tuesday Night

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

    Low: 49 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 50 percent chance of rain after 2pm. Partly sunny, with a high near 64.

    High: 64 °F

    Partly Sunny
    then Chance
    Rain

  • Wednesday Night

    Wednesday Night: A chance of rain and thunderstorms before 8pm, then rain likely and possibly a thunderstorm between 8pm and 2am, then a chance of rain after 2am. Mostly cloudy, with a low around 42. Chance of precipitation is 60%.

    Low: 42 °F

    Rain Likely

  • Thursday

    Thursday: A 40 percent chance of rain. Mostly cloudy, with a high near 49.

    High: 49 °F

    Chance Rain

  • Thursday Night

    Thursday Night: A 50 percent chance of rain. Cloudy, with a low around 38.

    Low: 38 °F

    Chance Rain

Detailed Forecast

Tonight
Mostly cloudy, with a low around 39. Southwest wind 9 to 13 mph.
Monday
Partly sunny, with a high near 56. Southwest wind 13 to 17 mph.
Monday Night
A 30 percent chance of rain after 2am. Mostly cloudy, with a low around 46. Southwest wind 6 to 11 mph.
Tuesday
A 30 percent chance of rain before 2pm. Partly sunny, with a high near 58. Southwest wind 6 to 11 mph.
Tuesday Night
Mostly cloudy, with a low around 49. Southwest wind 9 to 13 mph.
Wednesday
A 50 percent chance of rain after 2pm. Partly sunny, with a high near 64.
Wednesday Night
A chance of rain and thunderstorms before 8pm, then rain likely and possibly a thunderstorm between 8pm and 2am, then a chance of rain after 2am. Mostly cloudy, with a low around 42. Chance of precipitation is 60%.
Thursday
A 40 percent chance of rain. Mostly cloudy, with a high near 49.
Thursday Night
A 50 percent chance of rain. Cloudy, with a low around 38.
Friday
A 50 percent chance of rain. Cloudy, with a high near 52.
Friday Night
A 50 percent chance of rain. Cloudy, with a low around 38.
Saturday
A 30 percent chance of rain. Mostly cloudy, with a high near 52.
Saturday Night
A 30 percent chance of rain. Cloudy, with a low around 39.
Sunday
A 40 percent chance of rain. Mostly cloudy, with a high near 57.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Poquonock Bridge CT
 41.36°N 72.02°W (Elev. 98 ft)
Last Update:
3:00 pm EDT Mar 29, 2026
Forecast Valid:
7pm EDT Mar 29, 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