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

33°F

1°C

Humidity 54%
Wind Speed S 3 mph
Barometer 30.14 in (1020.7 mb)
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Last update 27 Feb 10:56 am EST
Extended Forecast for

Old Saybrook Center CT

  • Today

    Today: Sunny, with a high near 39. Calm wind becoming south around 5 mph in the afternoon.

    High: 39 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 29. Light south wind.

    Low: 29 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 46. Wind chill values between 25 and 35 early. South wind 5 to 7 mph.

    High: 46 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 31. Calm wind becoming northwest around 5 mph after midnight.

    Low: 31 °F

    Partly Cloudy

  • Sunday

    Sunday: Scattered snow showers, mainly before 1pm. Cloudy, then gradual clearing during the afternoon, with a high near 37. Northwest wind 6 to 11 mph. Chance of precipitation is 50%.

    High: 37 °F

    Scattered
    Snow Showers

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 17.

    Low: 17 °F

    Mostly Clear

  • Monday

    Monday: Partly sunny, with a high near 28.

    High: 28 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 20.

    Low: 20 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A chance of rain and snow after 1pm. Mostly cloudy, with a high near 36. Chance of precipitation is 30%.

    High: 36 °F

    Partly Sunny
    then Chance
    Rain/Snow

Detailed Forecast

Today
Sunny, with a high near 39. Calm wind becoming south around 5 mph in the afternoon.
Tonight
Mostly clear, with a low around 29. Light south wind.
Saturday
Mostly sunny, with a high near 46. Wind chill values between 25 and 35 early. South wind 5 to 7 mph.
Saturday Night
Partly cloudy, with a low around 31. Calm wind becoming northwest around 5 mph after midnight.
Sunday
Scattered snow showers, mainly before 1pm. Cloudy, then gradual clearing during the afternoon, with a high near 37. Northwest wind 6 to 11 mph. Chance of precipitation is 50%.
Sunday Night
Mostly clear, with a low around 17.
Monday
Partly sunny, with a high near 28.
Monday Night
Partly cloudy, with a low around 20.
Tuesday
A chance of rain and snow after 1pm. Mostly cloudy, with a high near 36. Chance of precipitation is 30%.
Tuesday Night
Rain and snow likely, becoming all rain after 1am. Cloudy, with a low around 32. Chance of precipitation is 60%.
Wednesday
A 30 percent chance of rain. Partly sunny, with a high near 45.
Wednesday Night
Mostly cloudy, with a low around 34.
Thursday
A 30 percent chance of rain. Cloudy, with a high near 44.
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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:
12:50 am EST Feb 27, 2026
Forecast Valid:
11am EST Feb 27, 2026-6pm EST Mar 5, 2026
 
Forecast Discussion
 
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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