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.

Overcast

44°F

7°C

Humidity 63%
Wind Speed SE 7 mph
Barometer 30.17 in (1021.7 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill40°F (4°C)
Last update 20 Apr 6:56 pm EDT
Extended Forecast for

Westbrook CT

Freeze Warning April 21, 12:00am until April 21, 09:00am
Click here for hazard details and duration
Freeze Warning

  • Tonight

    Tonight: Partly cloudy, with a low around 33. North wind 7 to 9 mph.

    Low: 33 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 48. North wind around 6 mph becoming south in the morning.

    High: 48 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers after 2am. Increasing clouds, with a low around 40. South wind around 6 mph.

    Low: 40 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Wednesday

    Wednesday: A 30 percent chance of showers, mainly between 8am and noon. Cloudy, with a high near 50. South wind 7 to 9 mph.

    High: 50 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 42. East wind around 5 mph.

    Low: 42 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 58.

    High: 58 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 44.

    Low: 44 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 58.

    High: 58 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 43.

    Low: 43 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 33. North wind 7 to 9 mph.
Tuesday
Sunny, with a high near 48. North wind around 6 mph becoming south in the morning.
Tuesday Night
A 20 percent chance of showers after 2am. Increasing clouds, with a low around 40. South wind around 6 mph.
Wednesday
A 30 percent chance of showers, mainly between 8am and noon. Cloudy, with a high near 50. South wind 7 to 9 mph.
Wednesday Night
Mostly cloudy, with a low around 42. East wind around 5 mph.
Thursday
Mostly sunny, with a high near 58.
Thursday Night
Partly cloudy, with a low around 44.
Friday
Partly sunny, with a high near 58.
Friday Night
Partly cloudy, with a low around 43.
Saturday
A 40 percent chance of showers after 8am. Mostly cloudy, with a high near 52.
Saturday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 43.
Sunday
A 30 percent chance of showers. Mostly cloudy, with a high near 54.
Sunday Night
Mostly cloudy, with a low around 43.
Monday
Partly sunny, with a high near 56.
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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:
6:38 pm EDT Apr 20, 2026
Forecast Valid:
7pm EDT Apr 20, 2026-6pm EDT Apr 27, 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