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

69°F

21°C

Humidity 81%
Wind Speed S 6 mph
Barometer 30.02 in (1016.5 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 19 May 1:56 pm EDT
Extended Forecast for

Westbrook CT

  • This Afternoon

    This Afternoon: Sunny, with a high near 85. South wind 9 to 11 mph.

    High: 85 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 67. Southwest wind 3 to 6 mph.

    Low: 67 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A chance of showers and thunderstorms between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Increasing clouds, with a high near 88. Southwest wind 5 to 11 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 88 °F

    Sunny then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers. Mostly cloudy, with a low around 57. Northwest wind 3 to 8 mph. Chance of precipitation is 60%.

    Low: 57 °F

    Showers
    Likely then
    Slight Chance
    Showers

  • Thursday

    Thursday: Mostly cloudy, with a high near 68. North wind 5 to 7 mph becoming light and variable in the afternoon.

    High: 68 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 50.

    Low: 50 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 68.

    High: 68 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 50 percent chance of showers after 2am. Mostly cloudy, with a low around 50.

    Low: 50 °F

    Mostly Cloudy
    then Chance
    Showers

  • Saturday

    Saturday: Showers likely, mainly after 8am. Cloudy, with a high near 61. Chance of precipitation is 70%.

    High: 61 °F

    Showers
    Likely

Detailed Forecast

This Afternoon
Sunny, with a high near 85. South wind 9 to 11 mph.
Tonight
Partly cloudy, with a low around 67. Southwest wind 3 to 6 mph.
Wednesday
A chance of showers and thunderstorms between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Increasing clouds, with a high near 88. Southwest wind 5 to 11 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers. Mostly cloudy, with a low around 57. Northwest wind 3 to 8 mph. Chance of precipitation is 60%.
Thursday
Mostly cloudy, with a high near 68. North wind 5 to 7 mph becoming light and variable in the afternoon.
Thursday Night
Partly cloudy, with a low around 50.
Friday
Mostly sunny, with a high near 68.
Friday Night
A 50 percent chance of showers after 2am. Mostly cloudy, with a low around 50.
Saturday
Showers likely, mainly after 8am. Cloudy, with a high near 61. Chance of precipitation is 70%.
Saturday Night
Showers likely. Cloudy, with a low around 51. Chance of precipitation is 70%.
Sunday
A 50 percent chance of showers. Cloudy, with a high near 65.
Sunday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 53.
Memorial Day
A 30 percent chance of showers. Mostly cloudy, with a high near 73.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Westbrook CT
 41.3°N 72.47°W (Elev. 98 ft)
Last Update:
2:23 pm EDT May 19, 2026
Forecast Valid:
2pm EDT May 19, 2026-6pm EDT May 25, 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