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

67°F

19°C

Humidity 91%
Wind Speed E 7 mph
Barometer 30.03 in (1016.9 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 3 Sep 1:56 am EDT
Extended Forecast for

Poquonock Bridge CT

  • Overnight

    Overnight: Showers and possibly a thunderstorm. Steady temperature around 68. Southeast wind around 6 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 68 °F

    Showers

  • Thursday

    Thursday: Showers and thunderstorms likely, mainly before 11am. Mostly cloudy, with a high near 80. Southwest wind around 9 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 80 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: A 30 percent chance of showers before 8pm. Partly cloudy, with a low around 65. Calm wind.

    Low: 65 °F

    Chance
    Showers then
    Partly Cloudy

  • Friday

    Friday: A 40 percent chance of showers after 11am. Mostly sunny, with a high near 82. Calm wind becoming west 5 to 7 mph in the morning.

    High: 82 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Mostly clear, with a low around 60. Light north wind.

    Low: 60 °F

    Mostly Clear

  • Saturday

    Saturday: A 30 percent chance of showers after 2pm. Increasing clouds, with a high near 75.

    High: 75 °F

    Sunny then
    Chance
    Showers

  • Saturday Night

    Saturday Night: A 30 percent chance of showers before 8pm. Partly cloudy, with a low around 54.

    Low: 54 °F

    Chance
    Showers then
    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 72.

    High: 72 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear

Detailed Forecast

Overnight
Showers and possibly a thunderstorm. Steady temperature around 68. Southeast wind around 6 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
Showers and thunderstorms likely, mainly before 11am. Mostly cloudy, with a high near 80. Southwest wind around 9 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A 30 percent chance of showers before 8pm. Partly cloudy, with a low around 65. Calm wind.
Friday
A 40 percent chance of showers after 11am. Mostly sunny, with a high near 82. Calm wind becoming west 5 to 7 mph in the morning.
Friday Night
Mostly clear, with a low around 60. Light north wind.
Saturday
A 30 percent chance of showers after 2pm. Increasing clouds, with a high near 75.
Saturday Night
A 30 percent chance of showers before 8pm. Partly cloudy, with a low around 54.
Sunday
Sunny, with a high near 72.
Sunday Night
Mostly clear, with a low around 55.
Labor Day
Sunny, with a high near 75.
Monday Night
Mostly clear, with a low around 59.
Tuesday
Mostly sunny, with a high near 76.
Tuesday Night
Partly cloudy, with a low around 59.
Wednesday
Mostly sunny, with a high near 74.
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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:
2:28 am EDT Sep 3, 2026
Forecast Valid:
2am EDT Sep 3, 2026-6pm EDT Sep 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