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

31°F

-1°C

Humidity 49%
Wind Speed SW 13 mph
Barometer 30.07 in (1018.1 mb)
Dewpoint 14°F (-10°C)
Visibility 10.00 mi
Wind Chill21°F (-6°C)
Last update 16 Jan 8:56 pm EST
Extended Forecast for

Old Saybrook Center CT

  • Tonight

    Tonight: A 20 percent chance of snow after 1am. Increasing clouds, with a temperature rising to around 36 by 4am. Wind chill values between 25 and 30. South wind 7 to 9 mph.

    Low: 32 °F⇑

    Partly Cloudy
    then Slight
    Chance Snow

  • Saturday

    Saturday: A chance of snow before 10am, then rain likely. Mostly cloudy, with a high near 42. Southwest wind 7 to 11 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 42 °F

    Chance
    Rain/Snow
    then Rain
    Likely

  • Saturday Night

    Saturday Night: A chance of rain before 7pm, then a slight chance of snow after 1am. Mostly cloudy, with a low around 34. West wind 5 to 9 mph. Chance of precipitation is 30%.

    Low: 34 °F

    Chance Rain
    then Slight
    Chance Snow

  • Sunday

    Sunday: Snow likely, mainly after 1pm. Cloudy, with a high near 38. Southwest wind 6 to 8 mph becoming northwest in the afternoon. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 38 °F

    Snow Likely

  • Sunday Night

    Sunday Night: A 30 percent chance of snow before 1am. Cloudy during the early evening, then gradual clearing, with a low around 24. Northwest wind 7 to 9 mph.

    Low: 24 °F

    Chance Snow

  • M.L.King Day

    M.L.King Day: Sunny, with a high near 33.

    High: 33 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 17. Breezy.

    Low: 17 °F

    Mostly Clear
    and Breezy

  • Tuesday

    Tuesday: Sunny, with a high near 22.

    High: 22 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 16.

    Low: 16 °F

    Mostly Clear

Detailed Forecast

Tonight
A 20 percent chance of snow after 1am. Increasing clouds, with a temperature rising to around 36 by 4am. Wind chill values between 25 and 30. South wind 7 to 9 mph.
Saturday
A chance of snow before 10am, then rain likely. Mostly cloudy, with a high near 42. Southwest wind 7 to 11 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Saturday Night
A chance of rain before 7pm, then a slight chance of snow after 1am. Mostly cloudy, with a low around 34. West wind 5 to 9 mph. Chance of precipitation is 30%.
Sunday
Snow likely, mainly after 1pm. Cloudy, with a high near 38. Southwest wind 6 to 8 mph becoming northwest in the afternoon. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Sunday Night
A 30 percent chance of snow before 1am. Cloudy during the early evening, then gradual clearing, with a low around 24. Northwest wind 7 to 9 mph.
M.L.King Day
Sunny, with a high near 33.
Monday Night
Mostly clear, with a low around 17. Breezy.
Tuesday
Sunny, with a high near 22.
Tuesday Night
Mostly clear, with a low around 16.
Wednesday
Mostly sunny, with a high near 32.
Wednesday Night
Mostly cloudy, with a low around 27.
Thursday
Mostly cloudy, with a high near 37.
Thursday Night
A chance of rain and snow. Mostly cloudy, with a low around 23. Chance of precipitation is 30%.
Friday
A 30 percent chance of snow. Mostly sunny, with a high near 32.
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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:
3:33 pm EST Jan 16, 2026
Forecast Valid:
9pm EST Jan 16, 2026-6pm EST Jan 23, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation