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

55°F

13°C

Humidity 57%
Wind Speed S 7 mph
Barometer 30.04 in (1017.3 mb)
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Wind Chill53°F (12°C)
Last update 9 Mar 12:56 pm EDT
Extended Forecast for

Westbrook CT

  • This Afternoon

    This Afternoon: Sunny, with a high near 60. Southwest wind around 6 mph.

    High: 60 °F

    Sunny

  • Tonight

    Tonight: Patchy fog after 2am. Otherwise, partly cloudy, with a low around 38. Southwest wind around 5 mph.

    Low: 38 °F

    Partly Cloudy
    then Patchy
    Fog

  • Tuesday

    Tuesday: Patchy fog before 8am. Otherwise, mostly sunny, with a high near 57. South wind around 6 mph.

    High: 57 °F

    Patchy Fog
    then Mostly
    Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog. Otherwise, mostly cloudy, with a low around 40. Light south wind.

    Low: 40 °F

    Patchy Fog

  • Wednesday

    Wednesday: A 20 percent chance of showers after 2pm. Cloudy, with a high near 52. Southeast wind 5 to 10 mph.

    High: 52 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 50 percent chance of rain. Mostly cloudy, with a low around 47.

    Low: 47 °F

    Chance Rain

  • Thursday

    Thursday: Rain likely before 2pm, then a chance of rain and snow. Mostly cloudy, with a high near 53. Chance of precipitation is 60%.

    High: 53 °F

    Rain Likely
    then
    Rain/Snow
    Likely

  • Thursday Night

    Thursday Night: A chance of rain and snow before 8pm. Partly cloudy, with a low around 31. Chance of precipitation is 30%.

    Low: 31 °F

    Chance
    Rain/Snow
    then Mostly
    Clear

  • Friday

    Friday: Partly sunny, with a high near 42.

    High: 42 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 60. Southwest wind around 6 mph.
Tonight
Patchy fog after 2am. Otherwise, partly cloudy, with a low around 38. Southwest wind around 5 mph.
Tuesday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 57. South wind around 6 mph.
Tuesday Night
Patchy fog. Otherwise, mostly cloudy, with a low around 40. Light south wind.
Wednesday
A 20 percent chance of showers after 2pm. Cloudy, with a high near 52. Southeast wind 5 to 10 mph.
Wednesday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 47.
Thursday
Rain likely before 2pm, then a chance of rain and snow. Mostly cloudy, with a high near 53. Chance of precipitation is 60%.
Thursday Night
A chance of rain and snow before 8pm. Partly cloudy, with a low around 31. Chance of precipitation is 30%.
Friday
Partly sunny, with a high near 42.
Friday Night
A chance of rain after 8pm, mixing with snow after 2am. Mostly cloudy, with a low around 36. Chance of precipitation is 50%.
Saturday
A 30 percent chance of snow. Mostly sunny, with a high near 45.
Saturday Night
Mostly cloudy, with a low around 32.
Sunday
A 30 percent chance of rain. Mostly cloudy, with a high near 47.
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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:
11:18 am EDT Mar 9, 2026
Forecast Valid:
1pm EDT Mar 9, 2026-6pm EDT Mar 15, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation