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.

Fair

53°F

12°C

Humidity 35%
Wind Speed NW 15 G 25 mph
Barometer 30.27 in (1025.1 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Wind Chill48°F (9°C)
Last update 11 Apr 7:56 pm EDT
Extended Forecast for

Westbrook CT

Frost Advisory April 12, 12:00am until April 12, 09:00am
Click here for hazard details and duration
Frost Advisory

  • Tonight

    Tonight: Clear, with a low around 39. North wind 5 to 9 mph.

    Low: 39 °F

    Clear

  • Sunday

    Sunday: Increasing clouds, with a high near 51. North wind 5 to 8 mph becoming south in the afternoon.

    High: 51 °F

    Increasing
    Clouds

  • Sunday Night

    Sunday Night: A 30 percent chance of showers. Mostly cloudy, with a low around 43. South wind 8 to 10 mph.

    Low: 43 °F

    Chance
    Showers

  • Monday

    Monday: A 20 percent chance of showers after 2pm. Mostly cloudy, with a high near 62. Southwest wind 9 to 14 mph, with gusts as high as 24 mph.

    High: 62 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Monday Night

    Monday Night: A 20 percent chance of showers before 2am. Mostly cloudy, then gradually becoming mostly clear, with a low around 53. Southwest wind 6 to 11 mph, with gusts as high as 22 mph.

    Low: 53 °F

    Slight Chance
    Showers

  • Tuesday

    Tuesday: Partly sunny, with a high near 68.

    High: 68 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 54.

    Low: 54 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 71.

    High: 71 °F

    Mostly Sunny

  • Wednesday Night

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

    Low: 56 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Clear, with a low around 39. North wind 5 to 9 mph.
Sunday
Increasing clouds, with a high near 51. North wind 5 to 8 mph becoming south in the afternoon.
Sunday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 43. South wind 8 to 10 mph.
Monday
A 20 percent chance of showers after 2pm. Mostly cloudy, with a high near 62. Southwest wind 9 to 14 mph, with gusts as high as 24 mph.
Monday Night
A 20 percent chance of showers before 2am. Mostly cloudy, then gradually becoming mostly clear, with a low around 53. Southwest wind 6 to 11 mph, with gusts as high as 22 mph.
Tuesday
Partly sunny, with a high near 68.
Tuesday Night
Mostly cloudy, with a low around 54.
Wednesday
Mostly sunny, with a high near 71.
Wednesday Night
Mostly cloudy, with a low around 56.
Thursday
Partly sunny, with a high near 70.
Thursday Night
Mostly cloudy, with a low around 54.
Friday
A 30 percent chance of showers. Partly sunny, with a high near 65.
Friday Night
Mostly cloudy, with a low around 49.
Saturday
Partly sunny, with a high near 61.
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:
6:36 pm EDT Apr 11, 2026
Forecast Valid:
8pm EDT Apr 11, 2026-6pm EDT Apr 18, 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