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

64°F

18°C

Humidity 70%
Wind Speed SW 10 mph
Barometer 29.85 in (1010.9 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 15 Apr 3:56 pm EDT
Extended Forecast for

Poquonock Bridge CT

  • This Afternoon

    This Afternoon: A 20 percent chance of showers before 5pm. Mostly sunny, with a steady temperature around 68. South wind around 7 mph.

    High: 68 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: A chance of showers and thunderstorms between 8pm and 2am, then a slight chance of showers after 2am. Mostly cloudy, with a low around 52. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%.

    Low: 52 °F

    Chance
    T-storms then
    Chance
    Showers

  • Thursday

    Thursday: Mostly sunny, with a high near 72. Calm wind becoming southwest 5 to 8 mph in the afternoon.

    High: 72 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 52. South wind around 6 mph becoming calm in the evening.

    Low: 52 °F

    Mostly Cloudy

  • Friday

    Friday: A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 70. Calm wind becoming west around 6 mph in the afternoon. Chance of precipitation is 50%.

    High: 70 °F

    Slight Chance
    Showers then
    Chance
    Showers

  • Friday Night

    Friday Night: A 30 percent chance of showers before 8pm. Mostly cloudy, with a low around 48.

    Low: 48 °F

    Chance
    Showers then
    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 59.

    High: 59 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 46.

    Low: 46 °F

    Mostly Cloudy

  • Sunday

    Sunday: Showers likely, mainly after 2pm. Mostly cloudy, with a high near 57. Chance of precipitation is 60%.

    High: 57 °F

    Showers
    Likely

Detailed Forecast

This Afternoon
A 20 percent chance of showers before 5pm. Mostly sunny, with a steady temperature around 68. South wind around 7 mph.
Tonight
A chance of showers and thunderstorms between 8pm and 2am, then a slight chance of showers after 2am. Mostly cloudy, with a low around 52. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%.
Thursday
Mostly sunny, with a high near 72. Calm wind becoming southwest 5 to 8 mph in the afternoon.
Thursday Night
Mostly cloudy, with a low around 52. South wind around 6 mph becoming calm in the evening.
Friday
A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 70. Calm wind becoming west around 6 mph in the afternoon. Chance of precipitation is 50%.
Friday Night
A 30 percent chance of showers before 8pm. Mostly cloudy, with a low around 48.
Saturday
Partly sunny, with a high near 59.
Saturday Night
Mostly cloudy, with a low around 46.
Sunday
Showers likely, mainly after 2pm. Mostly cloudy, with a high near 57. Chance of precipitation is 60%.
Sunday Night
Showers likely, mainly before 8pm. Mostly cloudy, with a low around 35. Chance of precipitation is 60%.
Monday
Mostly sunny, with a high near 48.
Monday Night
Mostly clear, with a low around 31.
Tuesday
Sunny, with a high near 51.
Tuesday Night
Partly cloudy, with a low around 41.
Wednesday
Partly sunny, with a high near 61.
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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:
2:22 pm EDT Apr 15, 2026
Forecast Valid:
4pm EDT Apr 15, 2026-6pm EDT Apr 22, 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