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.

A Few Clouds

48°F

9°C

Humidity 37%
Wind Speed W 9 mph
Barometer 29.84 in (1010.4 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 27 Nov 12:56 pm EST
Extended Forecast for

Old Saybrook Center CT

  • Thanksgiving Day

    Thanksgiving Day: Mostly sunny, with a high near 45. Breezy, with a west wind 18 to 20 mph.

    High: 45 °F

    Mostly Sunny
    and Breezy

  • Tonight

    Tonight: Mostly clear, with a low around 34. Wind chill values between 25 and 30. West wind around 18 mph.

    Low: 34 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 45. Wind chill values between 25 and 35 early. Windy, with a west wind 18 to 28 mph.

    High: 45 °F

    Mostly Sunny
    and Windy

  • Friday Night

    Friday Night: Mostly clear, with a low around 34. Wind chill values between 25 and 30. Windy, with a west wind 20 to 29 mph.

    Low: 34 °F

    Mostly Clear
    and Windy

  • Saturday

    Saturday: Sunny, with a high near 44. West wind 9 to 15 mph.

    High: 44 °F

    Sunny

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 33.

    Low: 33 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Rain likely after 1pm. Cloudy, with a high near 50. Chance of precipitation is 70%.

    High: 50 °F

    Cloudy then
    Rain Likely

  • Sunday Night

    Sunday Night: Rain likely before 1am. Mostly cloudy, with a low around 37. Chance of precipitation is 60%.

    Low: 37 °F

    Rain Likely

  • Monday

    Monday: Partly sunny, with a high near 43.

    High: 43 °F

    Partly Sunny

Detailed Forecast

Thanksgiving Day
Mostly sunny, with a high near 45. Breezy, with a west wind 18 to 20 mph.
Tonight
Mostly clear, with a low around 34. Wind chill values between 25 and 30. West wind around 18 mph.
Friday
Mostly sunny, with a high near 45. Wind chill values between 25 and 35 early. Windy, with a west wind 18 to 28 mph.
Friday Night
Mostly clear, with a low around 34. Wind chill values between 25 and 30. Windy, with a west wind 20 to 29 mph.
Saturday
Sunny, with a high near 44. West wind 9 to 15 mph.
Saturday Night
Increasing clouds, with a low around 33.
Sunday
Rain likely after 1pm. Cloudy, with a high near 50. Chance of precipitation is 70%.
Sunday Night
Rain likely before 1am. Mostly cloudy, with a low around 37. Chance of precipitation is 60%.
Monday
Partly sunny, with a high near 43.
Monday Night
Mostly cloudy, with a low around 31.
Tuesday
Rain and snow likely. Cloudy, with a high near 43. Chance of precipitation is 60%.
Tuesday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 33.
Wednesday
Partly sunny, with a high near 41.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Old Saybrook Center CT
 41.29°N 72.39°W (Elev. 89 ft)
Last Update:
1:01 pm EST Nov 27, 2025
Forecast Valid:
1pm EST Nov 27, 2025-6pm EST Dec 3, 2025
 
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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