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

59°F

15°C

Humidity 90%
Wind Speed N 13 G 23 mph
Barometer 30.03 in (1016.7 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 21 Sep 7:56 am EDT
Extended Forecast for

Centerbrook CT

  • Today

    Today: Partly sunny, with a high near 70. Northeast wind 9 to 13 mph.

    High: 70 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 53. Northeast wind 6 to 9 mph.

    Low: 53 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Cloudy, then gradually becoming mostly sunny, with a high near 65. Northeast wind 11 to 13 mph.

    High: 65 °F

    Decreasing
    Clouds

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 49. Northeast wind 9 to 11 mph, with gusts as high as 23 mph.

    Low: 49 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 66. Northeast wind 14 to 17 mph, with gusts as high as 30 mph.

    High: 66 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 49.

    Low: 49 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 66.

    High: 66 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: A 30 percent chance of showers after 2am. Mostly cloudy, with a low around 48.

    Low: 48 °F

    Mostly Cloudy
    then Chance
    Showers

  • Friday

    Friday: A 50 percent chance of showers. Mostly cloudy, with a high near 64.

    High: 64 °F

    Chance
    Showers

Detailed Forecast

Today
Partly sunny, with a high near 70. Northeast wind 9 to 13 mph.
Tonight
Mostly cloudy, with a low around 53. Northeast wind 6 to 9 mph.
Tuesday
Cloudy, then gradually becoming mostly sunny, with a high near 65. Northeast wind 11 to 13 mph.
Tuesday Night
Mostly cloudy, with a low around 49. Northeast wind 9 to 11 mph, with gusts as high as 23 mph.
Wednesday
Partly sunny, with a high near 66. Northeast wind 14 to 17 mph, with gusts as high as 30 mph.
Wednesday Night
Mostly cloudy, with a low around 49.
Thursday
Mostly cloudy, with a high near 66.
Thursday Night
A 30 percent chance of showers after 2am. Mostly cloudy, with a low around 48.
Friday
A 50 percent chance of showers. Mostly cloudy, with a high near 64.
Friday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 50. Breezy.
Saturday
A 50 percent chance of showers. Mostly cloudy, with a high near 65. Breezy.
Saturday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 51.
Sunday
Partly sunny, with a high near 67.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Centerbrook CT
 41.32°N 72.41°W (Elev. 197 ft)
Last Update:
3:38 am EDT Sep 21, 2026
Forecast Valid:
8am EDT Sep 21, 2026-6pm EDT Sep 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