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

20°F

-7°C

Humidity 40%
Wind Speed NW 17 G 32 mph
Barometer 29.77 in (1007.9 mb)
Dewpoint -1°F (-18°C)
Visibility 10.00 mi
Wind Chill5°F (-15°C)
Last update 1 Feb 11:56 pm EST
Extended Forecast for

Old Saybrook Center CT

  • Overnight

    Overnight: Mostly cloudy, with a low around 13. Wind chill values between zero and 5. North wind around 14 mph.

    Low: 13 °F

    Mostly Cloudy

  • Monday

    Monday: Sunny, with a high near 30. Wind chill values between zero and 10. Northwest wind around 11 mph, with gusts as high as 21 mph.

    High: 30 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 15. Wind chill values between 5 and 10. Northwest wind 6 to 9 mph.

    Low: 15 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 32. Wind chill values between 5 and 15. Northwest wind 5 to 8 mph becoming southwest in the afternoon.

    High: 32 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 22. West wind 3 to 6 mph.

    Low: 22 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 32.

    High: 32 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 15.

    Low: 15 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 28.

    High: 28 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 14.

    Low: 14 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 13. Wind chill values between zero and 5. North wind around 14 mph.
Monday
Sunny, with a high near 30. Wind chill values between zero and 10. Northwest wind around 11 mph, with gusts as high as 21 mph.
Monday Night
Mostly clear, with a low around 15. Wind chill values between 5 and 10. Northwest wind 6 to 9 mph.
Tuesday
Sunny, with a high near 32. Wind chill values between 5 and 15. Northwest wind 5 to 8 mph becoming southwest in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 22. West wind 3 to 6 mph.
Wednesday
Mostly sunny, with a high near 32.
Wednesday Night
Mostly clear, with a low around 15.
Thursday
Sunny, with a high near 28.
Thursday Night
Mostly clear, with a low around 14.
Friday
A 30 percent chance of snow after 1pm. Mostly cloudy, with a high near 30.
Friday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 10.
Saturday
Mostly sunny and cold, with a high near 16. Blustery.
Saturday Night
Mostly clear, with a low around 5. Blustery.
Sunday
Mostly sunny and cold, with a high near 18. Blustery.
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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:
12:53 am EST Feb 2, 2026
Forecast Valid:
12am EST Feb 2, 2026-6pm EST Feb 8, 2026
 
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Additional Resources

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Chance of Precipitation