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

69°F

21°C

Humidity 66%
Wind Speed S 6 mph
Barometer 29.86 in (1011.1 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 16 Apr 12:56 pm EDT
Extended Forecast for

Westbrook CT

  • This Afternoon

    This Afternoon: Mostly sunny, with a steady temperature around 68. South wind around 7 mph.

    High: 68 °F

    Mostly Sunny

  • Tonight

    Tonight: A 20 percent chance of showers after 11pm. Mostly cloudy, with a low around 54. Southwest wind around 6 mph becoming calm after midnight.

    Low: 54 °F

    Slight Chance
    Showers

  • Friday

    Friday: A slight chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 70. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 60%.

    High: 70 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm before 8pm, then a slight chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 51. Northeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%.

    Low: 51 °F

    Showers
    Likely then
    Slight Chance
    T-storms

  • Saturday

    Saturday: Partly sunny, with a high near 59. Light and variable wind becoming east 5 to 7 mph in the morning.

    High: 59 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 30 percent chance of showers after 2am. Mostly cloudy, with a low around 47.

    Low: 47 °F

    Mostly Cloudy
    then Chance
    Showers

  • Sunday

    Sunday: Showers, mainly after 8am. High near 56. Chance of precipitation is 80%.

    High: 56 °F

    Showers

  • Sunday Night

    Sunday Night: Showers, mainly before 8pm. Low around 38. Chance of precipitation is 80%.

    Low: 38 °F

    Showers then
    Chance
    Showers

  • Monday

    Monday: Mostly sunny, with a high near 47.

    High: 47 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a steady temperature around 68. South wind around 7 mph.
Tonight
A 20 percent chance of showers after 11pm. Mostly cloudy, with a low around 54. Southwest wind around 6 mph becoming calm after midnight.
Friday
A slight chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 70. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 60%.
Friday Night
Showers likely and possibly a thunderstorm before 8pm, then a slight chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 51. Northeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%.
Saturday
Partly sunny, with a high near 59. Light and variable wind becoming east 5 to 7 mph in the morning.
Saturday Night
A 30 percent chance of showers after 2am. Mostly cloudy, with a low around 47.
Sunday
Showers, mainly after 8am. High near 56. Chance of precipitation is 80%.
Sunday Night
Showers, mainly before 8pm. Low around 38. Chance of precipitation is 80%.
Monday
Mostly sunny, with a high near 47.
Monday Night
Mostly clear, with a low around 32.
Tuesday
Sunny, with a high near 49.
Tuesday Night
Mostly cloudy, with a low around 42.
Wednesday
Partly sunny, with a high near 59.
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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:
1:15 pm EDT Apr 16, 2026
Forecast Valid:
1pm EDT Apr 16, 2026-6pm EDT Apr 22, 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