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

45°F

7°C

Humidity 86%
Wind Speed Calm
Barometer 30.01 in (1016.0 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Last update 26 Mar 6:56 am EDT
Extended Forecast for

Poquonock Bridge CT

  • Today

    Today: A slight chance of rain before 8am, then a chance of showers after 5pm. Cloudy, then gradually becoming mostly sunny, with a high near 57. Southwest wind 11 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.

    High: 57 °F

    Chance
    Showers

  • Tonight

    Tonight: Showers likely, mainly after 11pm. Mostly cloudy, with a low around 44. Southwest wind 8 to 15 mph becoming west after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 44 °F

    Showers
    Likely

  • Friday

    Friday: A 50 percent chance of showers before 2pm. Mostly cloudy, with a steady temperature around 47. North wind around 9 mph.

    High: 47 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A 20 percent chance of rain before 2am. Mostly cloudy, with a low around 28. Calm wind becoming northeast around 5 mph after midnight.

    Low: 28 °F

    Slight Chance
    Rain

  • Saturday

    Saturday: Mostly sunny, with a high near 41. North wind 8 to 10 mph, with gusts as high as 20 mph.

    High: 41 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 26.

    Low: 26 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 45.

    High: 45 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 35.

    Low: 35 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 52.

    High: 52 °F

    Mostly Cloudy

Detailed Forecast

Today
A slight chance of rain before 8am, then a chance of showers after 5pm. Cloudy, then gradually becoming mostly sunny, with a high near 57. Southwest wind 11 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.
Tonight
Showers likely, mainly after 11pm. Mostly cloudy, with a low around 44. Southwest wind 8 to 15 mph becoming west after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
A 50 percent chance of showers before 2pm. Mostly cloudy, with a steady temperature around 47. North wind around 9 mph.
Friday Night
A 20 percent chance of rain before 2am. Mostly cloudy, with a low around 28. Calm wind becoming northeast around 5 mph after midnight.
Saturday
Mostly sunny, with a high near 41. North wind 8 to 10 mph, with gusts as high as 20 mph.
Saturday Night
Partly cloudy, with a low around 26.
Sunday
Mostly sunny, with a high near 45.
Sunday Night
Mostly cloudy, with a low around 35.
Monday
Mostly cloudy, with a high near 52.
Monday Night
Mostly cloudy, with a low around 42.
Tuesday
A 40 percent chance of rain. Partly sunny, with a high near 53.
Tuesday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 38.
Wednesday
A 40 percent chance of rain. Mostly cloudy, with a high near 51.
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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:
5:42 am EDT Mar 26, 2026
Forecast Valid:
7am EDT Mar 26, 2026-6pm EDT Apr 1, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation