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

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

Lat: 41.33°NLon: 72.05°WElev: 10ft.

Fair

32°F

0°C

Humidity 75%
Wind Speed NW 7 mph
Barometer 29.87 in (1011.5 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill25°F (-4°C)
Last update 15 Nov 5:56 am EST
Extended Forecast for

Old Saybrook Center CT

  • Today

    Today: Areas of frost between 8am and 9am. Otherwise, increasing clouds, with a high near 54. North wind around 7 mph becoming southwest in the afternoon.

    High: 54 °F

    Areas Frost
    then
    Increasing
    Clouds

  • Tonight

    Tonight: Showers before 4am. Temperature rising to around 54 by 1am. Southwest wind 8 to 16 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 46 °F⇑

    Showers

  • Sunday

    Sunday: Partly sunny, with a temperature falling to around 47 by 5pm. Breezy, with a west wind 17 to 25 mph.

    High: 55 °F⇓

    Partly Sunny
    and Breezy

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 36. Breezy, with a west wind 22 to 25 mph.

    Low: 36 °F

    Partly Cloudy
    and Breezy

  • Monday

    Monday: Mostly sunny, with a high near 45. Breezy, with a west wind 21 to 23 mph.

    High: 45 °F

    Mostly Sunny
    and Breezy

  • Monday Night

    Monday Night: Mostly clear, with a low around 36. Breezy.

    Low: 36 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 46.

    High: 46 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 35.

    Low: 35 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 48.

    High: 48 °F

    Mostly Sunny

Detailed Forecast

Today
Areas of frost between 8am and 9am. Otherwise, increasing clouds, with a high near 54. North wind around 7 mph becoming southwest in the afternoon.
Tonight
Showers before 4am. Temperature rising to around 54 by 1am. Southwest wind 8 to 16 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Sunday
Partly sunny, with a temperature falling to around 47 by 5pm. Breezy, with a west wind 17 to 25 mph.
Sunday Night
Partly cloudy, with a low around 36. Breezy, with a west wind 22 to 25 mph.
Monday
Mostly sunny, with a high near 45. Breezy, with a west wind 21 to 23 mph.
Monday Night
Mostly clear, with a low around 36. Breezy.
Tuesday
Sunny, with a high near 46.
Tuesday Night
Partly cloudy, with a low around 35.
Wednesday
Mostly sunny, with a high near 48.
Wednesday Night
Partly cloudy, with a low around 36.
Thursday
Partly sunny, with a high near 49.
Thursday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 43.
Friday
A 50 percent chance of rain. Mostly cloudy, with a high near 54.
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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:
5:10 am EST Nov 15, 2025
Forecast Valid:
6am EST Nov 15, 2025-6pm EST Nov 21, 2025
 
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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