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

18°F

-8°C

Humidity 43%
Wind Speed W 8 mph
Barometer 29.85 in (1010.8 mb)
Dewpoint -1°F (-18°C)
Visibility 10.00 mi
Wind Chill8°F (-13°C)
Last update 1 Jan 11:56 pm EST
Extended Forecast for

Old Saybrook Center CT

  • Overnight

    Overnight: A chance of flurries. Mostly cloudy, with a low around 20. Wind chill values between 10 and 15. West wind around 11 mph.

    Low: 20 °F

    Chance
    Flurries

  • Friday

    Friday: Partly sunny, with a high near 29. Wind chill values between 10 and 20. West wind 11 to 14 mph.

    High: 29 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 20. Wind chill values between 10 and 15. West wind around 11 mph.

    Low: 20 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 31. Wind chill values between 10 and 20. West wind 8 to 10 mph.

    High: 31 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 30 percent chance of snow after 1am. Cloudy, with a low around 24. Calm wind becoming north around 5 mph after midnight.

    Low: 24 °F

    Mostly Cloudy
    then Chance
    Snow

  • Sunday

    Sunday: Cloudy through mid morning, then gradual clearing, with a high near 32.

    High: 32 °F

    Gradual
    Clearing

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 17.

    Low: 17 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 31.

    High: 31 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Cloudy, with a low around 26.

    Low: 26 °F

    Cloudy

Detailed Forecast

Overnight
A chance of flurries. Mostly cloudy, with a low around 20. Wind chill values between 10 and 15. West wind around 11 mph.
Friday
Partly sunny, with a high near 29. Wind chill values between 10 and 20. West wind 11 to 14 mph.
Friday Night
Mostly clear, with a low around 20. Wind chill values between 10 and 15. West wind around 11 mph.
Saturday
Mostly sunny, with a high near 31. Wind chill values between 10 and 20. West wind 8 to 10 mph.
Saturday Night
A 30 percent chance of snow after 1am. Cloudy, with a low around 24. Calm wind becoming north around 5 mph after midnight.
Sunday
Cloudy through mid morning, then gradual clearing, with a high near 32.
Sunday Night
Mostly clear, with a low around 17.
Monday
Mostly sunny, with a high near 31.
Monday Night
Cloudy, with a low around 26.
Tuesday
Mostly cloudy, with a high near 41.
Tuesday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 34.
Wednesday
A 30 percent chance of rain. Mostly cloudy, with a high near 43.
Wednesday Night
Mostly cloudy, with a low around 33.
Thursday
Mostly sunny, with a high near 43.
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:
12:31 am EST Jan 2, 2026
Forecast Valid:
12am EST Jan 2, 2026-6pm EST Jan 8, 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