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.

Overcast

38°F

3°C

Humidity 83%
Wind Speed SW 10 mph
Barometer 30.15 in (1021.0 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Wind Chill31°F (-1°C)
Last update 21 Jan 11:56 pm EST
Extended Forecast for

Old Saybrook Center CT

  • Overnight

    Overnight: A 40 percent chance of rain, mainly before 1am. Mostly cloudy, with a steady temperature around 39. Southwest wind around 15 mph.

    Low: 39 °F

    Chance Rain

  • Thursday

    Thursday: Mostly sunny, with a high near 41. West wind 14 to 17 mph.

    High: 41 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 27. Wind chill values between 20 and 25. West wind 11 to 14 mph.

    Low: 27 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 34. Wind chill values between 15 and 20. West wind 10 to 17 mph.

    High: 34 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 8. Breezy, with a northwest wind 18 to 21 mph.

    Low: 8 °F

    Partly Cloudy
    and Breezy

  • Saturday

    Saturday: Mostly sunny and cold, with a high near 17.

    High: 17 °F

    Cold

  • Saturday Night

    Saturday Night: A 40 percent chance of snow after 1am. Mostly cloudy, with a low around 11.

    Low: 11 °F

    Mostly Cloudy
    then Chance
    Snow

  • Sunday

    Sunday: Snow. High near 24. Chance of precipitation is 80%.

    High: 24 °F

    Snow

  • Sunday Night

    Sunday Night: Snow. Low around 19. Chance of precipitation is 80%.

    Low: 19 °F

    Snow

Detailed Forecast

Overnight
A 40 percent chance of rain, mainly before 1am. Mostly cloudy, with a steady temperature around 39. Southwest wind around 15 mph.
Thursday
Mostly sunny, with a high near 41. West wind 14 to 17 mph.
Thursday Night
Partly cloudy, with a low around 27. Wind chill values between 20 and 25. West wind 11 to 14 mph.
Friday
Partly sunny, with a high near 34. Wind chill values between 15 and 20. West wind 10 to 17 mph.
Friday Night
Partly cloudy, with a low around 8. Breezy, with a northwest wind 18 to 21 mph.
Saturday
Mostly sunny and cold, with a high near 17.
Saturday Night
A 40 percent chance of snow after 1am. Mostly cloudy, with a low around 11.
Sunday
Snow. High near 24. Chance of precipitation is 80%.
Sunday Night
Snow. Low around 19. Chance of precipitation is 80%.
Monday
A 50 percent chance of snow. Mostly cloudy, with a high near 27.
Monday Night
Partly cloudy, with a low around 14.
Tuesday
Sunny, with a high near 25.
Tuesday Night
Mostly clear, with a low around 15.
Wednesday
Mostly sunny, with a high near 27.
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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:
6:01 pm EST Jan 21, 2026
Forecast Valid:
12am EST Jan 22, 2026-6pm EST Jan 28, 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