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

54°F

12°C

Humidity 93%
Wind Speed N 13 mph
Barometer 29.76 in (1007.6 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Wind Chill50°F (10°C)
Last update 12 Oct 2:56 am EDT
Extended Forecast for

Westbrook CT

  • Overnight

    Overnight: A 20 percent chance of showers and thunderstorms. Cloudy, with a low around 55. North wind around 11 mph.

    Low: 55 °F

    Slight Chance
    T-storms

  • Columbus Day

    Columbus Day: Mostly cloudy through mid morning, then gradual clearing, with a high near 71. North wind 6 to 10 mph, with gusts as high as 20 mph.

    High: 71 °F

    Becoming
    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 56. Northwest wind around 5 mph becoming calm in the evening.

    Low: 56 °F

    Mostly Clear

  • Tuesday

    Tuesday: Increasing clouds, with a high near 68. East wind 6 to 9 mph becoming southeast in the afternoon.

    High: 68 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms before 2am. Cloudy, then gradually becoming partly cloudy, with a steady temperature around 65. South wind 7 to 10 mph, with gusts as high as 21 mph.

    Low: 65 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Mostly sunny, with a high near 74.

    High: 74 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 56.

    Low: 56 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 66.

    High: 66 °F

    Sunny

  • Thursday Night

    Thursday Night: A 50 percent chance of showers after 2am. Partly cloudy, with a low around 52.

    Low: 52 °F

    Partly Cloudy
    then Chance
    Showers

Detailed Forecast

Overnight
A 20 percent chance of showers and thunderstorms. Cloudy, with a low around 55. North wind around 11 mph.
Columbus Day
Mostly cloudy through mid morning, then gradual clearing, with a high near 71. North wind 6 to 10 mph, with gusts as high as 20 mph.
Monday Night
Mostly clear, with a low around 56. Northwest wind around 5 mph becoming calm in the evening.
Tuesday
Increasing clouds, with a high near 68. East wind 6 to 9 mph becoming southeast in the afternoon.
Tuesday Night
A 30 percent chance of showers and thunderstorms before 2am. Cloudy, then gradually becoming partly cloudy, with a steady temperature around 65. South wind 7 to 10 mph, with gusts as high as 21 mph.
Wednesday
Mostly sunny, with a high near 74.
Wednesday Night
Partly cloudy, with a low around 56.
Thursday
Sunny, with a high near 66.
Thursday Night
A 50 percent chance of showers after 2am. Partly cloudy, with a low around 52.
Friday
Showers, mainly after 8am. High near 68. Chance of precipitation is 80%.
Friday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 46. Breezy.
Saturday
Mostly sunny, with a high near 54. Breezy.
Saturday Night
Mostly clear, with a low around 39.
Sunday
Sunny, with a high near 55.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Westbrook CT
 41.28°N 72.45°W (Elev. 43 ft)
Last Update:
2:35 am EDT Oct 12, 2026
Forecast Valid:
3am EDT Oct 12, 2026-6pm EDT Oct 18, 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