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 96%
Wind Speed E 6 mph
Barometer 30.03 in (1016.7 mb)
Dewpoint 67°F (19°C)
Visibility 8.00 mi
Last update 1 Sep 10:56 am EDT
Extended Forecast for

Westbrook CT

  • Today

    Today: Showers, with thunderstorms also possible after 2pm. High near 74. Southeast wind around 7 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 74 °F

    Showers

  • Tonight

    Tonight: Showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Low around 64. Northeast wind around 8 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 64 °F

    Showers then
    Slight Chance
    Showers

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 73. East wind 8 to 10 mph.

    High: 73 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Showers likely, mainly after 2am. Mostly cloudy, with a low around 66. Southeast wind 3 to 6 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 66 °F

    Chance
    Showers then
    Showers
    Likely

  • Thursday

    Thursday: Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 79. Southwest wind 5 to 7 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 79 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers likely, mainly before 8pm. Mostly cloudy, with a low around 66. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 66 °F

    Showers
    Likely then
    Chance
    Showers

  • Friday

    Friday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 63.

    Low: 63 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 75.

    High: 75 °F

    Sunny

Detailed Forecast

Today
Showers, with thunderstorms also possible after 2pm. High near 74. Southeast wind around 7 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Low around 64. Northeast wind around 8 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
Mostly cloudy, with a high near 73. East wind 8 to 10 mph.
Wednesday Night
Showers likely, mainly after 2am. Mostly cloudy, with a low around 66. Southeast wind 3 to 6 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 79. Southwest wind 5 to 7 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Showers likely, mainly before 8pm. Mostly cloudy, with a low around 66. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Sunny, with a high near 79.
Friday Night
Mostly clear, with a low around 63.
Saturday
Sunny, with a high near 75.
Saturday Night
Partly cloudy, with a low around 59.
Sunday
Sunny, with a high near 73.
Sunday Night
Partly cloudy, with a low around 60.
Labor Day
Mostly sunny, with a high near 74.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Westbrook CT
 41.28°N 72.45°W (Elev. 43 ft)
Last Update:
5:43 am EDT Sep 1, 2026
Forecast Valid:
11am EDT Sep 1, 2026-6pm EDT Sep 7, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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