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.

Light Rain

68°F

20°C

Humidity 93%
Wind Speed NW 8 mph
Barometer 29.97 in (1014.7 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 20 May 10:56 pm EDT
Extended Forecast for

Centerbrook CT

  • Tonight

    Tonight: A 30 percent chance of showers, mainly before 2am. Mostly cloudy, with a low around 56. Light northwest wind.

    Low: 56 °F

    Chance
    Showers

  • Thursday

    Thursday: A 50 percent chance of showers before 2pm. Cloudy, with a high near 65. Northeast wind around 6 mph becoming light and variable in the afternoon.

    High: 65 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Mostly cloudy during the early evening, then gradual clearing, with a low around 49. Calm wind.

    Low: 49 °F

    Gradual
    Clearing

  • Friday

    Friday: Sunny, with a high near 67. Northeast wind 5 to 7 mph becoming southeast in the afternoon.

    High: 67 °F

    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 49. Calm wind.

    Low: 49 °F

    Mostly Cloudy

  • Saturday

    Saturday: Showers likely, mainly after 2pm. Cloudy, with a high near 60. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 60 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: Showers. Low around 50. Chance of precipitation is 80%.

    Low: 50 °F

    Showers

  • Sunday

    Sunday: Showers, mainly before 2pm. High near 66. Chance of precipitation is 80%.

    High: 66 °F

    Showers

  • Sunday Night

    Sunday Night: A 50 percent chance of showers. Cloudy, with a low around 54.

    Low: 54 °F

    Chance
    Showers

Detailed Forecast

Tonight
A 30 percent chance of showers, mainly before 2am. Mostly cloudy, with a low around 56. Light northwest wind.
Thursday
A 50 percent chance of showers before 2pm. Cloudy, with a high near 65. Northeast wind around 6 mph becoming light and variable in the afternoon.
Thursday Night
Mostly cloudy during the early evening, then gradual clearing, with a low around 49. Calm wind.
Friday
Sunny, with a high near 67. Northeast wind 5 to 7 mph becoming southeast in the afternoon.
Friday Night
Mostly cloudy, with a low around 49. Calm wind.
Saturday
Showers likely, mainly after 2pm. Cloudy, with a high near 60. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday Night
Showers. Low around 50. Chance of precipitation is 80%.
Sunday
Showers, mainly before 2pm. High near 66. Chance of precipitation is 80%.
Sunday Night
A 50 percent chance of showers. Cloudy, with a low around 54.
Memorial Day
A 40 percent chance of showers before 2pm. Mostly cloudy, with a high near 74.
Monday Night
Mostly cloudy, with a low around 57.
Tuesday
Partly sunny, with a high near 79.
Tuesday Night
Partly cloudy, with a low around 59.
Wednesday
Mostly sunny, with a high near 81.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Centerbrook CT
 41.34°N 72.41°W (Elev. 98 ft)
Last Update:
9:00 pm EDT May 20, 2026
Forecast Valid:
11pm EDT May 20, 2026-6pm EDT May 27, 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