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.

Mostly Cloudy

38°F

3°C

Humidity 57%
Wind Speed W 9 G 23 mph
Barometer 29.44 in (996.8 mb)
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 17 Nov 12:56 am EST
Extended Forecast for

Old Saybrook Center CT

  • Overnight

    Overnight: Mostly cloudy, with a low around 32. Wind chill values between 25 and 30. West wind 11 to 14 mph, with gusts as high as 34 mph.

    Low: 32 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 45. Wind chill values between 25 and 35 early. West wind 14 to 17 mph, with gusts as high as 32 mph.

    High: 45 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 32. West wind 8 to 13 mph, with gusts as high as 29 mph.

    Low: 32 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 48. West wind 9 to 11 mph, with gusts as high as 21 mph.

    High: 48 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 31. West wind around 5 mph becoming calm in the evening.

    Low: 31 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 48.

    High: 48 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 34.

    Low: 34 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 49.

    High: 49 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 38.

    Low: 38 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 32. Wind chill values between 25 and 30. West wind 11 to 14 mph, with gusts as high as 34 mph.
Monday
Mostly sunny, with a high near 45. Wind chill values between 25 and 35 early. West wind 14 to 17 mph, with gusts as high as 32 mph.
Monday Night
Mostly clear, with a low around 32. West wind 8 to 13 mph, with gusts as high as 29 mph.
Tuesday
Sunny, with a high near 48. West wind 9 to 11 mph, with gusts as high as 21 mph.
Tuesday Night
Mostly cloudy, with a low around 31. West wind around 5 mph becoming calm in the evening.
Wednesday
Mostly sunny, with a high near 48.
Wednesday Night
Partly cloudy, with a low around 34.
Thursday
Partly sunny, with a high near 49.
Thursday Night
Mostly cloudy, with a low around 38.
Friday
Rain likely. Cloudy, with a high near 55. Chance of precipitation is 60%.
Friday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 42.
Saturday
A 30 percent chance of rain. Partly sunny, with a high near 53.
Saturday Night
Partly cloudy, with a low around 36.
Sunday
Mostly sunny, with a high near 52.
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:
1:00 am EST Nov 17, 2025
Forecast Valid:
1am EST Nov 17, 2025-6pm EST Nov 23, 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