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.

Mostly Cloudy and Breezy

49°F

9°C

Humidity 69%
Wind Speed S 21 G 26 mph
Barometer 29.54 in (1000.3 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 10 Dec 12:56 pm EST
Extended Forecast for

Old Saybrook Center CT

  • This Afternoon

    This Afternoon: A 50 percent chance of rain. Cloudy, with a high near 49. Southwest wind around 17 mph, with gusts as high as 29 mph.

    High: 49 °F

    Chance Rain

  • Tonight

    Tonight: Rain, mainly before 10pm. Low around 29. Southwest wind 11 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 29 °F

    Rain then
    Chance Rain

  • Thursday

    Thursday: A 20 percent chance of snow showers after 1pm. Mostly sunny, with a high near 38. Wind chill values between 20 and 25. Breezy, with a west wind 16 to 21 mph, with gusts as high as 39 mph.

    High: 38 °F

    Breezy.
    Mostly Sunny
    then Slight
    Chance Snow
    Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 22. Wind chill values between 10 and 15. Breezy, with a west wind 16 to 20 mph, with gusts as high as 40 mph.

    Low: 22 °F

    Partly Cloudy
    and Breezy
    then Partly
    Cloudy

  • Friday

    Friday: Sunny, with a high near 36. West wind 11 to 15 mph, with gusts as high as 28 mph.

    High: 36 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 24.

    Low: 24 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 39.

    High: 39 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 40 percent chance of snow after 1am. Mostly cloudy, with a low around 25.

    Low: 25 °F

    Mostly Cloudy
    then Chance
    Snow

  • Sunday

    Sunday: A 40 percent chance of snow before 1pm. Partly sunny, with a high near 34.

    High: 34 °F

    Chance Snow

Detailed Forecast

This Afternoon
A 50 percent chance of rain. Cloudy, with a high near 49. Southwest wind around 17 mph, with gusts as high as 29 mph.
Tonight
Rain, mainly before 10pm. Low around 29. Southwest wind 11 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
A 20 percent chance of snow showers after 1pm. Mostly sunny, with a high near 38. Wind chill values between 20 and 25. Breezy, with a west wind 16 to 21 mph, with gusts as high as 39 mph.
Thursday Night
Partly cloudy, with a low around 22. Wind chill values between 10 and 15. Breezy, with a west wind 16 to 20 mph, with gusts as high as 40 mph.
Friday
Sunny, with a high near 36. West wind 11 to 15 mph, with gusts as high as 28 mph.
Friday Night
Partly cloudy, with a low around 24.
Saturday
Partly sunny, with a high near 39.
Saturday Night
A 40 percent chance of snow after 1am. Mostly cloudy, with a low around 25.
Sunday
A 40 percent chance of snow before 1pm. Partly sunny, with a high near 34.
Sunday Night
Mostly clear, with a low around 17.
Monday
Sunny, with a high near 31.
Monday Night
Mostly cloudy, with a low around 20.
Tuesday
Mostly sunny, with a high near 35.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Old Saybrook Center CT
 41.29°N 72.36°W (Elev. 3 ft)
Last Update:
1:09 pm EST Dec 10, 2025
Forecast Valid:
1pm EST Dec 10, 2025-6pm EST Dec 16, 2025
 
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Additional Resources

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Chance of Precipitation