National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Groton / New London, Groton / New London Airport (KGON)

Lat: 41.33°NLon: 72.05°WElev: 10ft.

Fog

56°F

13°C

Humidity 100%
Wind Speed W 5 mph
Barometer 29.67 in (1004.7 mb)
Dewpoint 56°F (13°C)
Visibility 0.25 mi
Last update 10 Nov 2:56 am EST
Extended Forecast for

Old Saybrook Center CT

Freeze Warning November 11, 01:00am until November 11, 09:00am
Click here for hazard details and duration
Freeze Warning

  • Overnight

    Overnight: Showers, mainly after 4am. Steady temperature around 55. Light south wind. Chance of precipitation is 80%.

    Low: 55 °F

    Showers

  • Monday

    Monday: Showers, mainly before 1pm. High near 60. Light and variable wind becoming southwest 5 to 9 mph in the morning. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 60 °F

    Showers

  • Monday Night

    Monday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 30. West wind 8 to 10 mph, with gusts as high as 20 mph.

    Low: 30 °F

    Decreasing
    Clouds

  • Veterans Day

    Veterans Day: Mostly sunny, with a high near 44. Wind chill values between 20 and 30. West wind 10 to 18 mph, with gusts as high as 32 mph.

    High: 44 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 35. West wind 10 to 16 mph, with gusts as high as 32 mph.

    Low: 35 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 51.

    High: 51 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 39.

    Low: 39 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 52.

    High: 52 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 35.

    Low: 35 °F

    Mostly Clear

Detailed Forecast

Overnight
Showers, mainly after 4am. Steady temperature around 55. Light south wind. Chance of precipitation is 80%.
Monday
Showers, mainly before 1pm. High near 60. Light and variable wind becoming southwest 5 to 9 mph in the morning. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 30. West wind 8 to 10 mph, with gusts as high as 20 mph.
Veterans Day
Mostly sunny, with a high near 44. Wind chill values between 20 and 30. West wind 10 to 18 mph, with gusts as high as 32 mph.
Tuesday Night
Partly cloudy, with a low around 35. West wind 10 to 16 mph, with gusts as high as 32 mph.
Wednesday
Partly sunny, with a high near 51.
Wednesday Night
Partly cloudy, with a low around 39.
Thursday
Mostly sunny, with a high near 52.
Thursday Night
Mostly clear, with a low around 35.
Friday
Sunny, with a high near 51.
Friday Night
Partly cloudy, with a low around 32.
Saturday
Sunny, with a high near 48.
Saturday Night
Partly cloudy, with a low around 31.
Sunday
Mostly sunny, with a high near 50.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Old Saybrook Center CT
 41.29°N 72.36°W (Elev. 3 ft)
Last Update:
1:12 am EST Nov 10, 2025
Forecast Valid:
3am EST Nov 10, 2025-6pm EST Nov 16, 2025
 
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