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

29°F

-2°C

Humidity 69%
Wind Speed NW 7 mph
Barometer 30.28 in (1025.4 mb)
Dewpoint 20°F (-7°C)
Visibility 10.00 mi
Wind Chill22°F (-6°C)
Last update 24 Mar 6:56 am EDT
Extended Forecast for

Old Saybrook Center CT

  • Today

    Today: Sunny, with a high near 44. Wind chill values between 25 and 35. North wind 6 to 11 mph becoming light northwest in the afternoon. Winds could gust as high as 21 mph.

    High: 44 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 35. Southwest wind 7 to 9 mph.

    Low: 35 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Partly sunny, with a high near 46. Light west wind becoming southwest 5 to 9 mph in the morning.

    High: 46 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Cloudy, with a low around 41. South wind 6 to 9 mph.

    Low: 41 °F

    Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 52. Southwest wind 8 to 15 mph.

    High: 52 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Rain likely, mainly after 2am. Mostly cloudy, with a low around 46. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 46 °F

    Rain Likely

  • Friday

    Friday: Rain likely, mainly before 8am. Partly sunny, with a high near 48. Chance of precipitation is 60%.

    High: 48 °F

    Rain Likely
    then Chance
    Rain

  • Friday Night

    Friday Night: Partly cloudy, with a low around 27.

    Low: 27 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 39.

    High: 39 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 44. Wind chill values between 25 and 35. North wind 6 to 11 mph becoming light northwest in the afternoon. Winds could gust as high as 21 mph.
Tonight
Increasing clouds, with a low around 35. Southwest wind 7 to 9 mph.
Wednesday
Partly sunny, with a high near 46. Light west wind becoming southwest 5 to 9 mph in the morning.
Wednesday Night
Cloudy, with a low around 41. South wind 6 to 9 mph.
Thursday
Mostly cloudy, with a high near 52. Southwest wind 8 to 15 mph.
Thursday Night
Rain likely, mainly after 2am. Mostly cloudy, with a low around 46. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Rain likely, mainly before 8am. Partly sunny, with a high near 48. Chance of precipitation is 60%.
Friday Night
Partly cloudy, with a low around 27.
Saturday
Sunny, with a high near 39.
Saturday Night
Mostly clear, with a low around 31.
Sunday
Sunny, with a high near 45.
Sunday Night
Partly cloudy, with a low around 36.
Monday
Mostly sunny, with a high near 49.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Old Saybrook Center CT
 41.29°N 72.39°W (Elev. 89 ft)
Last Update:
3:49 am EDT Mar 24, 2026
Forecast Valid:
7am EDT Mar 24, 2026-6pm EDT Mar 30, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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