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.

A Few Clouds

55°F

13°C

Humidity 83%
Wind Speed SW 14 mph
Barometer 29.98 in (1015.2 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Wind Chill51°F (11°C)
Last update 13 Apr 1:56 pm EDT
Extended Forecast for

Old Saybrook Center CT

  • This Afternoon

    This Afternoon: Mostly cloudy, with a steady temperature around 58. Breezy, with a southwest wind around 20 mph.

    High: 58 °F

    Mostly Cloudy
    and Breezy

  • Tonight

    Tonight: Partly cloudy, with a low around 52. Southwest wind 6 to 14 mph.

    Low: 52 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 66. Calm wind becoming south 5 to 8 mph in the afternoon.

    High: 66 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers before 2am. Mostly cloudy, with a low around 52. Southwest wind 5 to 9 mph.

    Low: 52 °F

    Slight Chance
    Showers

  • Wednesday

    Wednesday: A 30 percent chance of showers after 2pm. Mostly sunny, with a high near 70. Southwest wind 5 to 9 mph.

    High: 70 °F

    Mostly Sunny
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers before 2am. Mostly cloudy, with a low around 55.

    Low: 55 °F

    Chance
    Showers

  • Thursday

    Thursday: Mostly cloudy, with a high near 66.

    High: 66 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 52.

    Low: 52 °F

    Mostly Cloudy

  • Friday

    Friday: A 30 percent chance of showers after 2pm. Partly sunny, with a high near 68.

    High: 68 °F

    Partly Sunny
    then Chance
    Showers

Detailed Forecast

This Afternoon
Mostly cloudy, with a steady temperature around 58. Breezy, with a southwest wind around 20 mph.
Tonight
Partly cloudy, with a low around 52. Southwest wind 6 to 14 mph.
Tuesday
Mostly sunny, with a high near 66. Calm wind becoming south 5 to 8 mph in the afternoon.
Tuesday Night
A 20 percent chance of showers before 2am. Mostly cloudy, with a low around 52. Southwest wind 5 to 9 mph.
Wednesday
A 30 percent chance of showers after 2pm. Mostly sunny, with a high near 70. Southwest wind 5 to 9 mph.
Wednesday Night
A 40 percent chance of showers before 2am. Mostly cloudy, with a low around 55.
Thursday
Mostly cloudy, with a high near 66.
Thursday Night
Mostly cloudy, with a low around 52.
Friday
A 30 percent chance of showers after 2pm. Partly sunny, with a high near 68.
Friday Night
A 30 percent chance of showers before 8pm. Partly cloudy, with a low around 51.
Saturday
Mostly sunny, with a high near 61.
Saturday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 50.
Sunday
A 40 percent chance of showers. Mostly cloudy, with a high near 61.
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:
9:09 am EDT Apr 13, 2026
Forecast Valid:
2pm EDT Apr 13, 2026-6pm EDT Apr 19, 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