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

44°F

7°C

Humidity 93%
Wind Speed NW 3 mph
Barometer 29.75 in (1007.2 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Last update 21 Mar 5:56 am EDT
Extended Forecast for

Centerbrook CT

  • Today

    Today: Mostly cloudy, then gradually becoming sunny, with a high near 54. North wind 3 to 8 mph.

    High: 54 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: Mostly cloudy, with a low around 38. Calm wind.

    Low: 38 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 40 percent chance of rain after 2pm. Mostly cloudy, with a high near 54. Southwest wind 6 to 9 mph.

    High: 54 °F

    Mostly Cloudy
    then Chance
    Rain

  • Sunday Night

    Sunday Night: Rain, mainly after 8pm. Low around 37. Calm wind becoming north around 5 mph after midnight. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 37 °F

    Rain

  • Monday

    Monday: A chance of rain and snow before 11am, then a chance of rain between 11am and 2pm. Mostly cloudy, with a high near 45. North wind 7 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.

    High: 45 °F

    Chance
    Rain/Snow
    then Chance
    Rain

  • Monday Night

    Monday Night: Mostly clear, with a low around 29.

    Low: 29 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 45.

    High: 45 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 33.

    Low: 33 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 50.

    High: 50 °F

    Partly Sunny

Detailed Forecast

Today
Mostly cloudy, then gradually becoming sunny, with a high near 54. North wind 3 to 8 mph.
Tonight
Mostly cloudy, with a low around 38. Calm wind.
Sunday
A 40 percent chance of rain after 2pm. Mostly cloudy, with a high near 54. Southwest wind 6 to 9 mph.
Sunday Night
Rain, mainly after 8pm. Low around 37. Calm wind becoming north around 5 mph after midnight. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Monday
A chance of rain and snow before 11am, then a chance of rain between 11am and 2pm. Mostly cloudy, with a high near 45. North wind 7 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.
Monday Night
Mostly clear, with a low around 29.
Tuesday
Sunny, with a high near 45.
Tuesday Night
Mostly cloudy, with a low around 33.
Wednesday
Partly sunny, with a high near 50.
Wednesday Night
Mostly cloudy, with a low around 33.
Thursday
Mostly cloudy, with a high near 49.
Thursday Night
Rain likely. Mostly cloudy, with a low around 37. Chance of precipitation is 60%.
Friday
Rain likely. Partly sunny, with a high near 50. Chance of precipitation is 60%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Centerbrook CT
 41.34°N 72.44°W (Elev. 79 ft)
Last Update:
2:34 am EDT Mar 21, 2026
Forecast Valid:
6am EDT Mar 21, 2026-6pm EDT Mar 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