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.

Fair

52°F

11°C

Humidity 72%
Wind Speed SW 13 G 20 mph
Barometer 30.16 in (1021.4 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Wind Chill48°F (9°C)
Last update 30 Mar 11:56 am EDT
Extended Forecast for

Westbrook CT

  • This Afternoon

    This Afternoon: Partly sunny, with a steady temperature around 51. Southwest wind around 15 mph, with gusts as high as 25 mph.

    High: 51 °F

    Partly Sunny

  • Tonight

    Tonight: A 50 percent chance of showers, mainly after 2am. Mostly cloudy, with a low around 47. Southwest wind 8 to 11 mph.

    Low: 47 °F

    Slight Chance
    Showers then
    Chance
    Showers

  • Tuesday

    Tuesday: A 40 percent chance of showers before 2pm. Mostly cloudy, with a high near 58. South wind 8 to 13 mph.

    High: 58 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 50. Southwest wind 10 to 14 mph, with gusts as high as 26 mph.

    Low: 50 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Showers likely after 2pm. Partly sunny, with a high near 63. Southwest wind around 14 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 63 °F

    Partly Sunny
    then Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers likely, mainly before 2am. Mostly cloudy, with a low around 43. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 43 °F

    Showers
    Likely

  • Thursday

    Thursday: A 40 percent chance of showers. Mostly cloudy, with a high near 47.

    High: 47 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A 30 percent chance of rain. Cloudy, with a low around 41.

    Low: 41 °F

    Chance Rain

  • Friday

    Friday: A 30 percent chance of rain. Mostly cloudy, with a high near 56.

    High: 56 °F

    Chance Rain

Detailed Forecast

This Afternoon
Partly sunny, with a steady temperature around 51. Southwest wind around 15 mph, with gusts as high as 25 mph.
Tonight
A 50 percent chance of showers, mainly after 2am. Mostly cloudy, with a low around 47. Southwest wind 8 to 11 mph.
Tuesday
A 40 percent chance of showers before 2pm. Mostly cloudy, with a high near 58. South wind 8 to 13 mph.
Tuesday Night
Mostly cloudy, with a low around 50. Southwest wind 10 to 14 mph, with gusts as high as 26 mph.
Wednesday
Showers likely after 2pm. Partly sunny, with a high near 63. Southwest wind around 14 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Showers likely, mainly before 2am. Mostly cloudy, with a low around 43. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
A 40 percent chance of showers. Mostly cloudy, with a high near 47.
Thursday Night
A 30 percent chance of rain. Cloudy, with a low around 41.
Friday
A 30 percent chance of rain. Mostly cloudy, with a high near 56.
Friday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 48.
Saturday
A 30 percent chance of rain. Mostly cloudy, with a high near 57.
Saturday Night
A 40 percent chance of rain. Cloudy, with a low around 44.
Sunday
A 50 percent chance of rain. Cloudy, with a high near 57.
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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:
5:34 am EDT Mar 30, 2026
Forecast Valid:
12pm EDT Mar 30, 2026-6pm EDT Apr 5, 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