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

66°F

19°C

Humidity 84%
Wind Speed S 7 mph
Barometer 29.85 in (1010.8 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 17 Jun 8:56 am EDT
Extended Forecast for

Old Saybrook Center CT

  • Today

    Today: Sunny, with a high near 75. Calm wind becoming southeast 5 to 8 mph in the afternoon.

    High: 75 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 60. South wind 3 to 6 mph.

    Low: 60 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Showers likely, with thunderstorms also possible after 2pm. Cloudy, then gradually becoming mostly sunny, with a high near 76. Breezy, with a southeast wind 13 to 21 mph. Chance of precipitation is 70%.

    High: 76 °F

    Showers
    Likely and
    Breezy

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 63. West wind 9 to 16 mph.

    Low: 63 °F

    Partly Cloudy

  • Juneteenth

    Juneteenth: Mostly sunny, with a high near 77. West wind 11 to 14 mph.

    High: 77 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Clear, with a low around 61.

    Low: 61 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 77.

    High: 77 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 72.

    High: 72 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 75. Calm wind becoming southeast 5 to 8 mph in the afternoon.
Tonight
Increasing clouds, with a low around 60. South wind 3 to 6 mph.
Thursday
Showers likely, with thunderstorms also possible after 2pm. Cloudy, then gradually becoming mostly sunny, with a high near 76. Breezy, with a southeast wind 13 to 21 mph. Chance of precipitation is 70%.
Thursday Night
Partly cloudy, with a low around 63. West wind 9 to 16 mph.
Juneteenth
Mostly sunny, with a high near 77. West wind 11 to 14 mph.
Friday Night
Clear, with a low around 61.
Saturday
Sunny, with a high near 77.
Saturday Night
Mostly clear, with a low around 60.
Sunday
Sunny, with a high near 72.
Sunday Night
A 30 percent chance of showers after 2am. Partly cloudy, with a low around 61.
Monday
Showers likely. Mostly cloudy, with a high near 68. Chance of precipitation is 60%.
Monday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 61.
Tuesday
Mostly sunny, with a high near 71.
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:
3:08 am EDT Jun 17, 2026
Forecast Valid:
9am EDT Jun 17, 2026-6pm EDT Jun 23, 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