National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Groton / New London, Groton / New London Airport (KGON)

Lat: 41.33°NLon: 72.05°WElev: 10ft.

Mostly Cloudy

78°F

26°C

Humidity 67%
Wind Speed NW 9 mph
Barometer 30.03 in (1016.8 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 18 Sep 11:56 am EDT
Extended Forecast for

Westbrook CT

  • This Afternoon

    This Afternoon: Sunny, with a steady temperature around 76. North wind around 7 mph.

    High: 76 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 54. North wind 7 to 11 mph.

    Low: 54 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 68. Northeast wind 5 to 8 mph becoming light and variable in the afternoon.

    High: 68 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 57. Light southeast wind.

    Low: 57 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Showers, mainly after 2pm. High near 68. South wind 6 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 68 °F

    Chance
    Showers then
    Showers

  • Sunday Night

    Sunday Night: Showers. Low around 59. Chance of precipitation is 90%. New precipitation amounts between 1 and 2 inches possible.

    Low: 59 °F

    Showers

  • Monday

    Monday: Showers likely, mainly before 8am. Mostly cloudy, with a high near 67. Chance of precipitation is 60%.

    High: 67 °F

    Showers
    Likely

  • Monday Night

    Monday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 55.

    Low: 55 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A 40 percent chance of showers. Mostly cloudy, with a high near 63. Breezy.

    High: 63 °F

    Chance
    Showers and
    Breezy

Detailed Forecast

This Afternoon
Sunny, with a steady temperature around 76. North wind around 7 mph.
Tonight
Partly cloudy, with a low around 54. North wind 7 to 11 mph.
Saturday
Mostly sunny, with a high near 68. Northeast wind 5 to 8 mph becoming light and variable in the afternoon.
Saturday Night
Increasing clouds, with a low around 57. Light southeast wind.
Sunday
Showers, mainly after 2pm. High near 68. South wind 6 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
Showers. Low around 59. Chance of precipitation is 90%. New precipitation amounts between 1 and 2 inches possible.
Monday
Showers likely, mainly before 8am. Mostly cloudy, with a high near 67. Chance of precipitation is 60%.
Monday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 55.
Tuesday
A 40 percent chance of showers. Mostly cloudy, with a high near 63. Breezy.
Tuesday Night
Mostly cloudy, with a low around 53.
Wednesday
A 30 percent chance of showers. Partly sunny, with a high near 65. Breezy.
Wednesday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 53. Breezy.
Thursday
A 30 percent chance of showers. Partly sunny, with a high near 65. Breezy.
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:
11:03 am EDT Sep 18, 2026
Forecast Valid:
12pm EDT Sep 18, 2026-6pm EDT Sep 24, 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