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

33°F

1°C

Humidity 30%
Wind Speed N 13 G 23 mph
Barometer 30.34 in (1027.3 mb)
Dewpoint 5°F (-15°C)
Visibility 10.00 mi
Wind Chill24°F (-4°C)
Last update 28 Mar 8:56 am EDT
Extended Forecast for

Old Saybrook Center CT

  • Today

    Today: Mostly sunny, with a high near 40. Wind chill values between 25 and 35. Northwest wind 10 to 13 mph, with gusts as high as 25 mph.

    High: 40 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 28. Northwest wind 5 to 9 mph becoming light after midnight. Winds could gust as high as 23 mph.

    Low: 28 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 43. Light southwest wind increasing to 10 to 15 mph in the morning.

    High: 43 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 40. Southwest wind 13 to 16 mph.

    Low: 40 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 52. Southwest wind 10 to 14 mph.

    High: 52 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: A 30 percent chance of rain after 2am. Mostly cloudy, with a low around 44.

    Low: 44 °F

    Mostly Cloudy
    then Chance
    Rain

  • Tuesday

    Tuesday: A 30 percent chance of rain before 2pm. Mostly cloudy, with a high near 57.

    High: 57 °F

    Chance Rain

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 51.

    Low: 51 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 50 percent chance of rain after 2pm. Mostly sunny, with a high near 60.

    High: 60 °F

    Mostly Sunny
    then Chance
    Rain

Detailed Forecast

Today
Mostly sunny, with a high near 40. Wind chill values between 25 and 35. Northwest wind 10 to 13 mph, with gusts as high as 25 mph.
Tonight
Mostly clear, with a low around 28. Northwest wind 5 to 9 mph becoming light after midnight. Winds could gust as high as 23 mph.
Sunday
Mostly sunny, with a high near 43. Light southwest wind increasing to 10 to 15 mph in the morning.
Sunday Night
Mostly cloudy, with a low around 40. Southwest wind 13 to 16 mph.
Monday
Mostly cloudy, with a high near 52. Southwest wind 10 to 14 mph.
Monday Night
A 30 percent chance of rain after 2am. Mostly cloudy, with a low around 44.
Tuesday
A 30 percent chance of rain before 2pm. Mostly cloudy, with a high near 57.
Tuesday Night
Partly cloudy, with a low around 51.
Wednesday
A 50 percent chance of rain after 2pm. Mostly sunny, with a high near 60.
Wednesday Night
Rain likely, mainly between 8pm and 2am. Mostly cloudy, with a low around 42. Chance of precipitation is 70%.
Thursday
A 40 percent chance of rain. Mostly cloudy, with a high near 46.
Thursday Night
A chance of rain and snow. Mostly cloudy, with a low around 36. Chance of precipitation is 40%.
Friday
A chance of rain and snow. Cloudy, with a high near 42. Chance of precipitation is 50%.
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:
4:58 am EDT Mar 28, 2026
Forecast Valid:
9am EDT Mar 28, 2026-6pm EDT Apr 3, 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