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.

Partly Cloudy

25°F

-4°C

Humidity 48%
Wind Speed W 13 mph
Barometer 29.50 in (998.9 mb)
Dewpoint 8°F (-13°C)
Visibility 10.00 mi
Wind Chill13°F (-11°C)
Last update 16 Jan 2:56 am EST
Extended Forecast for

Old Saybrook Center CT

  • Overnight

    Overnight: Mostly clear, with a low around 23. Wind chill values between 10 and 15. Breezy, with a west wind around 20 mph, with gusts as high as 30 mph.

    Low: 23 °F

    Mostly Clear
    and Breezy

  • Friday

    Friday: Sunny, with a high near 35. Wind chill values between 10 and 20. Breezy, with a west wind 14 to 21 mph, with gusts as high as 31 mph.

    High: 35 °F

    Sunny and
    Breezy then
    Sunny

  • Friday Night

    Friday Night: A slight chance of snow after 1am, mixing with rain after 4am. Mostly cloudy, with a steady temperature around 34. Southwest wind 7 to 9 mph. Chance of precipitation is 20%.

    Low: 34 °F

    Partly Cloudy
    then Slight
    Chance
    Rain/Snow

  • Saturday

    Saturday: A chance of rain and snow before 1pm, then rain likely. Mostly cloudy, with a steady temperature around 37. Southwest wind 7 to 10 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 37 °F

    Rain/Snow
    Likely

  • Saturday Night

    Saturday Night: A 20 percent chance of snow after 1am. Mostly cloudy, with a low around 33. West wind 6 to 9 mph.

    Low: 33 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Sunday

    Sunday: A 30 percent chance of snow after 1pm. Cloudy, with a steady temperature around 34.

    High: 34 °F

    Cloudy then
    Chance Snow

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 24.

    Low: 24 °F

    Mostly Cloudy

  • 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 18. Breezy.

    Low: 18 °F

    Mostly Clear
    and Breezy

Detailed Forecast

Overnight
Mostly clear, with a low around 23. Wind chill values between 10 and 15. Breezy, with a west wind around 20 mph, with gusts as high as 30 mph.
Friday
Sunny, with a high near 35. Wind chill values between 10 and 20. Breezy, with a west wind 14 to 21 mph, with gusts as high as 31 mph.
Friday Night
A slight chance of snow after 1am, mixing with rain after 4am. Mostly cloudy, with a steady temperature around 34. Southwest wind 7 to 9 mph. Chance of precipitation is 20%.
Saturday
A chance of rain and snow before 1pm, then rain likely. Mostly cloudy, with a steady temperature around 37. Southwest wind 7 to 10 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Saturday Night
A 20 percent chance of snow after 1am. Mostly cloudy, with a low around 33. West wind 6 to 9 mph.
Sunday
A 30 percent chance of snow after 1pm. Cloudy, with a steady temperature around 34.
Sunday Night
Mostly cloudy, with a low around 24.
M.L.King Day
Sunny, with a high near 33.
Monday Night
Mostly clear, with a low around 18. Breezy.
Tuesday
Sunny, with a high near 24. Breezy.
Tuesday Night
Mostly clear, with a low around 15.
Wednesday
Mostly sunny, with a high near 31.
Wednesday Night
Mostly cloudy, with a low around 26.
Thursday
Partly sunny, with a high near 37.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Old Saybrook Center CT
 41.29°N 72.39°W (Elev. 89 ft)
Last Update:
1:17 am EST Jan 16, 2026
Forecast Valid:
3am EST Jan 16, 2026-6pm EST Jan 22, 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