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.

Mostly Cloudy

44°F

7°C

Humidity 96%
Wind Speed S 5 mph
Barometer 30.31 in (1026.2 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Wind Chill41°F (5°C)
Last update 13 Apr 1:56 am EDT
Extended Forecast for

Westbrook CT

  • Overnight

    Overnight: Mostly cloudy, with a low around 44. South wind around 6 mph.

    Low: 44 °F

    Mostly Cloudy

  • Monday

    Monday: A 20 percent chance of showers before 11am. Mostly cloudy, with a high near 63. Southwest wind 10 to 16 mph, with gusts as high as 29 mph.

    High: 63 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 51. West wind 5 to 10 mph, with gusts as high as 21 mph.

    Low: 51 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 66. Calm wind becoming south 5 to 7 mph in the afternoon.

    High: 66 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers before 2am. Mostly cloudy, with a low around 52. Southwest wind 3 to 6 mph.

    Low: 52 °F

    Slight Chance
    Showers

  • Wednesday

    Wednesday: A 30 percent chance of showers after 2pm. Partly sunny, with a high near 70.

    High: 70 °F

    Mostly Sunny
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers before 2am. Mostly cloudy, with a low around 55.

    Low: 55 °F

    Chance
    Showers

  • Thursday

    Thursday: Mostly cloudy, with a high near 67.

    High: 67 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 53.

    Low: 53 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 44. South wind around 6 mph.
Monday
A 20 percent chance of showers before 11am. Mostly cloudy, with a high near 63. Southwest wind 10 to 16 mph, with gusts as high as 29 mph.
Monday Night
Partly cloudy, with a low around 51. West wind 5 to 10 mph, with gusts as high as 21 mph.
Tuesday
Mostly sunny, with a high near 66. Calm wind becoming south 5 to 7 mph in the afternoon.
Tuesday Night
A 20 percent chance of showers before 2am. Mostly cloudy, with a low around 52. Southwest wind 3 to 6 mph.
Wednesday
A 30 percent chance of showers after 2pm. Partly sunny, with a high near 70.
Wednesday Night
A 40 percent chance of showers before 2am. Mostly cloudy, with a low around 55.
Thursday
Mostly cloudy, with a high near 67.
Thursday Night
Mostly cloudy, with a low around 53.
Friday
A 30 percent chance of showers after 2pm. Partly sunny, with a high near 69.
Friday Night
A 30 percent chance of showers. Partly cloudy, with a low around 52.
Saturday
Partly sunny, with a high near 62.
Saturday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 50.
Sunday
A 40 percent chance of showers. Mostly cloudy, with a high near 62.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Westbrook CT
 41.28°N 72.45°W (Elev. 43 ft)
Last Update:
1:48 am EDT Apr 13, 2026
Forecast Valid:
2am EDT Apr 13, 2026-6pm EDT Apr 19, 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