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.

Light Snow Fog/Mist and Breezy

31°F

-1°C

Humidity 92%
Wind Speed NE 23 G 45 mph
Barometer 29.59 in (1002.0 mb)
Dewpoint 29°F (-2°C)
Visibility 0.75 mi
Wind Chill18°F (-8°C)
Last update 23 Feb 12:56 am EST
Extended Forecast for

Old Saybrook Center CT

Coastal Flood Advisory until February 23, 05:00am
Blizzard Warning February 23, 01:14am until February 23, 06:00pm
Click here for hazard details and duration
Coastal Flood Advisory
Blizzard Warning
  •  
    Coastal Flood Advisory until February 23, 05:00am
    Blizzard Warning February 23, 01:14am until February 23, 06:00pm

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Overnight

    Low: 32 °F

    Heavy Snow
    and Areas
    Blowing Snow

  • Monday

    Monday: Snow, mainly before 4pm. The snow could be heavy at times. Areas of blowing snow. Steady temperature around 30. Wind chill values between 10 and 15. Windy, with a north wind 34 to 39 mph decreasing to 28 to 33 mph in the afternoon. Winds could gust as high as 55 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.

    High: 30 °F

    Heavy Snow
    and Areas
    Blowing Snow

  • Monday Night

    Monday Night: A 30 percent chance of snow before 7pm. Mostly cloudy, with a low around 23. Wind chill values between 10 and 20. Blustery, with a northwest wind 21 to 25 mph.

    Low: 23 °F

    Blustery.
    Chance Snow
    then Mostly
    Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 31. Wind chill values between 10 and 20. Northwest wind 11 to 15 mph.

    High: 31 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 30 percent chance of snow after 1am. Increasing clouds, with a low around 17. West wind 5 to 8 mph becoming south after midnight.

    Low: 17 °F

    Partly Cloudy
    then Chance
    Snow

  • Wednesday

    Wednesday: Rain and snow likely before noon, then a chance of rain between noon and 1pm. Mostly cloudy, with a high near 39. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    High: 39 °F

    Rain/Snow
    Likely then
    Chance Rain

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 29.

    Low: 29 °F

    Partly Cloudy

  • Thursday

    Thursday: A chance of rain and snow after 1pm. Mostly cloudy, with a high near 42. Chance of precipitation is 40%.

    High: 42 °F

    Mostly Cloudy
    then Chance
    Rain/Snow

Detailed Forecast

Overnight
Snow. The snow could be heavy at times. Areas of blowing snow. Steady temperature around 32. Wind chill values between 15 and 20. Windy, with a northeast wind 32 to 37 mph, with gusts as high as 49 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 10 to 14 inches possible.
Monday
Snow, mainly before 4pm. The snow could be heavy at times. Areas of blowing snow. Steady temperature around 30. Wind chill values between 10 and 15. Windy, with a north wind 34 to 39 mph decreasing to 28 to 33 mph in the afternoon. Winds could gust as high as 55 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.
Monday Night
A 30 percent chance of snow before 7pm. Mostly cloudy, with a low around 23. Wind chill values between 10 and 20. Blustery, with a northwest wind 21 to 25 mph.
Tuesday
Mostly sunny, with a high near 31. Wind chill values between 10 and 20. Northwest wind 11 to 15 mph.
Tuesday Night
A 30 percent chance of snow after 1am. Increasing clouds, with a low around 17. West wind 5 to 8 mph becoming south after midnight.
Wednesday
Rain and snow likely before noon, then a chance of rain between noon and 1pm. Mostly cloudy, with a high near 39. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Wednesday Night
Partly cloudy, with a low around 29.
Thursday
A chance of rain and snow after 1pm. Mostly cloudy, with a high near 42. Chance of precipitation is 40%.
Thursday Night
A chance of snow before 7pm, then rain likely. Mostly cloudy, with a low around 30. Chance of precipitation is 70%.
Friday
Partly sunny, with a high near 42.
Friday Night
Mostly clear, with a low around 27.
Saturday
Sunny, with a high near 42.
Saturday Night
Partly cloudy, with a low around 31.
Sunday
Partly sunny, with a high near 43.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Old Saybrook Center CT
 41.29°N 72.39°W (Elev. 89 ft)
Last Update:
5:56 pm EST Feb 22, 2026
Forecast Valid:
1am EST Feb 23, 2026-6pm EST Mar 1, 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