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 96%
Wind Speed SW 10 mph
Barometer 29.70 in (1005.5 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill25°F (-4°C)
Last update 25 Feb 11:56 am EST
Extended Forecast for

Old Saybrook Center CT

  • This Afternoon

    This Afternoon: A slight chance of rain and snow before 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 39. Southwest wind 8 to 14 mph. Chance of precipitation is 20%.

    High: 39 °F

    Slight Chance
    Rain/Snow

  • Tonight

    Tonight: Partly cloudy, with a low around 31. Southwest wind around 10 mph.

    Low: 31 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a steady temperature around 35. Northwest wind 6 to 8 mph.

    High: 35 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 24. North wind around 6 mph.

    Low: 24 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 38. Calm wind becoming south around 6 mph in the afternoon.

    High: 38 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 30.

    Low: 30 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 44.

    High: 44 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 31.

    Low: 31 °F

    Partly Cloudy

  • Sunday

    Sunday: A 30 percent chance of snow before 1pm. Mostly cloudy, with a high near 37.

    High: 37 °F

    Chance Snow

Detailed Forecast

This Afternoon
A slight chance of rain and snow before 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 39. Southwest wind 8 to 14 mph. Chance of precipitation is 20%.
Tonight
Partly cloudy, with a low around 31. Southwest wind around 10 mph.
Thursday
Mostly sunny, with a steady temperature around 35. Northwest wind 6 to 8 mph.
Thursday Night
Mostly clear, with a low around 24. North wind around 6 mph.
Friday
Sunny, with a high near 38. Calm wind becoming south around 6 mph in the afternoon.
Friday Night
Mostly clear, with a low around 30.
Saturday
Mostly sunny, with a high near 44.
Saturday Night
Partly cloudy, with a low around 31.
Sunday
A 30 percent chance of snow before 1pm. Mostly cloudy, with a high near 37.
Sunday Night
Partly cloudy, with a low around 19.
Monday
A 30 percent chance of snow. Mostly cloudy, with a high near 27.
Monday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 17.
Tuesday
A chance of rain and snow. Mostly cloudy, with a high near 35. Chance of precipitation is 40%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Old Saybrook Center CT
 41.29°N 72.39°W (Elev. 89 ft)
Last Update:
12:43 pm EST Feb 25, 2026
Forecast Valid:
12pm EST Feb 25, 2026-6pm EST Mar 3, 2026
 
Forecast Discussion
 
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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