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.

Overcast and Breezy

44°F

7°C

Humidity 28%
Wind Speed W 25 G 36 mph
Barometer 29.82 in (1009.9 mb)
Dewpoint 13°F (-11°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 28 Nov 1:56 pm EST
Extended Forecast for

Old Saybrook Center CT

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 44. Breezy, with a west wind around 21 mph, with gusts as high as 34 mph.

    High: 44 °F

    Mostly Sunny
    and Breezy

  • Tonight

    Tonight: Mostly clear, with a low around 30. Wind chill values between 25 and 30. West wind 10 to 18 mph, with gusts as high as 33 mph.

    Low: 30 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 44. Wind chill values between 25 and 35. West wind 7 to 10 mph, with gusts as high as 20 mph.

    High: 44 °F

    Sunny

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 30. Calm wind.

    Low: 30 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Rain, mainly after 1pm. High near 52. South wind 6 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 52 °F

    Slight Chance
    Rain then
    Rain

  • Sunday Night

    Sunday Night: Rain likely before 1am. Cloudy, then gradually becoming partly cloudy, with a low around 33. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 33 °F

    Rain Likely

  • Monday

    Monday: Mostly sunny, with a high near 42.

    High: 42 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 26.

    Low: 26 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A chance of rain and snow before 1pm, then rain. High near 44. Chance of precipitation is 80%.

    High: 44 °F

    Chance
    Rain/Snow
    then
    Rain/Snow

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 44. Breezy, with a west wind around 21 mph, with gusts as high as 34 mph.
Tonight
Mostly clear, with a low around 30. Wind chill values between 25 and 30. West wind 10 to 18 mph, with gusts as high as 33 mph.
Saturday
Sunny, with a high near 44. Wind chill values between 25 and 35. West wind 7 to 10 mph, with gusts as high as 20 mph.
Saturday Night
Increasing clouds, with a low around 30. Calm wind.
Sunday
Rain, mainly after 1pm. High near 52. South wind 6 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
Rain likely before 1am. Cloudy, then gradually becoming partly cloudy, with a low around 33. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Mostly sunny, with a high near 42.
Monday Night
Mostly cloudy, with a low around 26.
Tuesday
A chance of rain and snow before 1pm, then rain. High near 44. Chance of precipitation is 80%.
Tuesday Night
Rain likely before 1am, then a chance of rain and snow. Mostly cloudy, with a low around 29. Chance of precipitation is 60%.
Wednesday
Mostly sunny, with a high near 40.
Wednesday Night
Partly cloudy, with a low around 27.
Thursday
Partly sunny, with a high near 42.
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 72.36°W (Elev. 3 ft)
Last Update:
1:32 pm EST Nov 28, 2025
Forecast Valid:
2pm EST Nov 28, 2025-6pm EST Dec 4, 2025
 
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