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.

Fair

37°F

3°C

Humidity 30%
Wind Speed W 13 G 18 mph
Barometer 30.05 in (1017.5 mb)
Dewpoint 8°F (-13°C)
Visibility 10.00 mi
Wind Chill29°F (-2°C)
Last update 23 Jan 1:56 am EST
Extended Forecast for

Old Saybrook Center CT

Winter Storm Watch January 25, 03:00am until January 26, 06:00pm
Cold Weather Advisory January 23, 10:00pm until January 24, 10:00am
Click here for hazard details and duration
Winter Storm Watch
Cold Weather Advisory

  • Overnight

    Overnight: Partly cloudy, with a low around 27. Wind chill values between 20 and 25. West wind around 14 mph.

    Low: 27 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 32. Wind chill values between 15 and 20. Breezy, with a west wind 11 to 20 mph.

    High: 32 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

  • Friday Night

    Friday Night: Mostly clear, with a low around 8. Wind chill values between -10 and zero. Blustery, with a northwest wind 17 to 21 mph.

    Low: 8 °F

    Partly Cloudy
    and Blustery
    then Mostly
    Clear

  • Saturday

    Saturday: Mostly sunny and cold, with a high near 17. Wind chill values between -10 and zero. Northwest wind 13 to 17 mph.

    High: 17 °F

    Cold

  • Saturday Night

    Saturday Night: A 20 percent chance of snow after 1am. Mostly cloudy, with a low around 12. Northwest wind 7 to 11 mph.

    Low: 12 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Sunday

    Sunday: Snow. The snow could be heavy at times. High near 27. Chance of precipitation is 100%. New snow accumulation of 4 to 8 inches possible.

    High: 27 °F

    Heavy Snow

  • Sunday Night

    Sunday Night: Snow. Low around 22. Blustery. Chance of precipitation is 100%.

    Low: 22 °F

    Snow and
    Blustery

  • Monday

    Monday: Snow. High near 29. Chance of precipitation is 80%.

    High: 29 °F

    Snow

  • Monday Night

    Monday Night: A 30 percent chance of snow before 1am. Mostly cloudy, with a low around 13. Blustery.

    Low: 13 °F

    Chance Snow
    and Blustery

Detailed Forecast

Overnight
Partly cloudy, with a low around 27. Wind chill values between 20 and 25. West wind around 14 mph.
Friday
Mostly sunny, with a high near 32. Wind chill values between 15 and 20. Breezy, with a west wind 11 to 20 mph.
Friday Night
Mostly clear, with a low around 8. Wind chill values between -10 and zero. Blustery, with a northwest wind 17 to 21 mph.
Saturday
Mostly sunny and cold, with a high near 17. Wind chill values between -10 and zero. Northwest wind 13 to 17 mph.
Saturday Night
A 20 percent chance of snow after 1am. Mostly cloudy, with a low around 12. Northwest wind 7 to 11 mph.
Sunday
Snow. The snow could be heavy at times. High near 27. Chance of precipitation is 100%. New snow accumulation of 4 to 8 inches possible.
Sunday Night
Snow. Low around 22. Blustery. Chance of precipitation is 100%.
Monday
Snow. High near 29. Chance of precipitation is 80%.
Monday Night
A 30 percent chance of snow before 1am. Mostly cloudy, with a low around 13. Blustery.
Tuesday
Mostly sunny, with a high near 23.
Tuesday Night
Partly cloudy, with a low around 13.
Wednesday
Mostly sunny, with a high near 25.
Wednesday Night
Partly cloudy, with a low around 13.
Thursday
Partly sunny, with a high near 23.
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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:
1:37 am EST Jan 23, 2026
Forecast Valid:
2am EST Jan 23, 2026-6pm EST Jan 29, 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