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.

Partly Cloudy

40°F

4°C

Humidity 73%
Wind Speed NW 7 mph
Barometer 29.95 in (1014.0 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 21 Feb 10:56 am EST
Extended Forecast for

Old Saybrook Center CT

Blizzard Warning February 22, 06:00am until February 23, 06:00pm
Click here for hazard details and duration
Blizzard Warning

  • Today

    Today: Partly sunny, with a high near 42. Northwest wind around 6 mph becoming northeast in the afternoon.

    High: 42 °F

    Partly Sunny

  • Tonight

    Tonight: A chance of rain and snow before 10pm, then a chance of snow. Mostly cloudy, with a low around 31. Wind chill values between 25 and 30. East wind 6 to 9 mph. Chance of precipitation is 30%.

    Low: 31 °F

    Chance
    Rain/Snow
    then Chance
    Snow

  • Sunday

    Sunday: A 50 percent chance of snow. Mostly cloudy, with a high near 34. Wind chill values between 20 and 25. Breezy, with an east wind 9 to 14 mph increasing to 16 to 21 mph in the afternoon.

    High: 34 °F

    Chance Snow
    and Breezy

  • Sunday Night

    Sunday Night: Snow. The snow could be heavy at times. Areas of blowing snow after 1am. Low around 30. Wind chill values between 15 and 20. Windy, with a northeast wind 18 to 23 mph increasing to 24 to 29 mph after midnight. Winds could gust as high as 41 mph. Chance of precipitation is 90%. New snow accumulation of 5 to 9 inches possible.

    Low: 30 °F

    Heavy Snow
    and Areas
    Blowing Snow

  • Monday

    Monday: Snow. The snow could be heavy at times. Areas of blowing snow. High near 33. Windy, with a north wind 25 to 33 mph, with gusts as high as 47 mph. Chance of precipitation is 90%. New snow accumulation of 4 to 8 inches possible.

    High: 33 °F

    Heavy Snow
    and Areas
    Blowing Snow

  • Monday Night

    Monday Night: Cloudy, then gradually becoming partly cloudy, with a low around 26. Blustery.

    Low: 26 °F

    Mostly Cloudy
    and Blustery
    then Mostly
    Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 32.

    High: 32 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 21.

    Low: 21 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A chance of snow before 1pm, then a chance of rain. Mostly cloudy, with a high near 37. Chance of precipitation is 30%.

    High: 37 °F

    Chance Snow
    then Chance
    Rain/Snow

Detailed Forecast

Today
Partly sunny, with a high near 42. Northwest wind around 6 mph becoming northeast in the afternoon.
Tonight
A chance of rain and snow before 10pm, then a chance of snow. Mostly cloudy, with a low around 31. Wind chill values between 25 and 30. East wind 6 to 9 mph. Chance of precipitation is 30%.
Sunday
A 50 percent chance of snow. Mostly cloudy, with a high near 34. Wind chill values between 20 and 25. Breezy, with an east wind 9 to 14 mph increasing to 16 to 21 mph in the afternoon.
Sunday Night
Snow. The snow could be heavy at times. Areas of blowing snow after 1am. Low around 30. Wind chill values between 15 and 20. Windy, with a northeast wind 18 to 23 mph increasing to 24 to 29 mph after midnight. Winds could gust as high as 41 mph. Chance of precipitation is 90%. New snow accumulation of 5 to 9 inches possible.
Monday
Snow. The snow could be heavy at times. Areas of blowing snow. High near 33. Windy, with a north wind 25 to 33 mph, with gusts as high as 47 mph. Chance of precipitation is 90%. New snow accumulation of 4 to 8 inches possible.
Monday Night
Cloudy, then gradually becoming partly cloudy, with a low around 26. Blustery.
Tuesday
Mostly sunny, with a high near 32.
Tuesday Night
Partly cloudy, with a low around 21.
Wednesday
A chance of snow before 1pm, then a chance of rain. Mostly cloudy, with a high near 37. Chance of precipitation is 30%.
Wednesday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 33.
Thursday
A 50 percent chance of rain. Mostly cloudy, with a high near 42.
Thursday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 32.
Friday
A 30 percent chance of rain. Mostly sunny, with a high near 41.
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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:
3:41 am EST Feb 21, 2026
Forecast Valid:
11am EST Feb 21, 2026-6pm EST Feb 27, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation