Current conditions at

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

Lat: 41.33°NLon: 72.05°WElev: 10ft.

Overcast

75°F

24°C

Humidity 79%
Wind Speed W 3 mph
Barometer 29.81 in (1009.4 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 11 Aug 10:56 pm EDT
Extended Forecast for

Old Saybrook Center CT

  • Tonight

    Tonight: Partly cloudy, with a low around 67. Calm wind becoming northwest around 5 mph after midnight.

    Low: 67 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 80. North wind 7 to 9 mph becoming southwest in the afternoon.

    High: 80 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 68. Calm wind.

    Low: 68 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 79. Calm wind becoming southwest 5 to 7 mph in the morning.

    High: 79 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of showers and thunderstorms.  Partly cloudy, with a low around 66. Light southwest wind.

    Low: 66 °F

    Slight Chance
    T-storms

  • Friday

    Friday: Sunny, with a high near 77.

    High: 77 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 57.

    Low: 57 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 59.

    Low: 59 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 67. Calm wind becoming northwest around 5 mph after midnight.
Wednesday
Sunny, with a high near 80. North wind 7 to 9 mph becoming southwest in the afternoon.
Wednesday Night
Partly cloudy, with a low around 68. Calm wind.
Thursday
Mostly sunny, with a high near 79. Calm wind becoming southwest 5 to 7 mph in the morning.
Thursday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 66. Light southwest wind.
Friday
Sunny, with a high near 77.
Friday Night
Clear, with a low around 57.
Saturday
Sunny, with a high near 79.
Saturday Night
Mostly clear, with a low around 59.
Sunday
Mostly sunny, with a high near 78.
Sunday Night
Showers likely. Mostly cloudy, with a low around 66. Chance of precipitation is 60%.
Monday
Showers likely. Mostly cloudy, with a high near 80. Chance of precipitation is 60%.
Monday Night
Partly cloudy, with a low around 63.
Tuesday
Sunny, with a high near 81.
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ABOUT THIS FORECAST

 
Point Forecast:
Old Saybrook Center CT
 41.29°N 72.39°W (Elev. 89 ft)
8:06 pm EDT Aug 11, 2026
11pm EDT Aug 11, 2026-6pm EDT Aug 18, 2026
 
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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