Current conditions at

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

Lat: 41.33°NLon: 72.05°WElev: 10ft.

Overcast

66°F

19°C

Humidity 100%
Wind Speed S 9 mph
Barometer 29.82 in (1009.7 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 25 Sep 3:56 pm EDT
Extended Forecast for

Old Saybrook Center CT

  • This Afternoon

    This Afternoon: Showers and possibly a thunderstorm.  High near 73. South wind around 10 mph.  Chance of precipitation is 80%.

    High: 73 °F

    Showers

  • Tonight

    Tonight: Showers and possibly a thunderstorm before 11pm, then a chance of showers and thunderstorms between 11pm and 2am, then a chance of showers after 2am.  Low around 65. South wind 6 to 9 mph.  Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 65 °F

    Showers then
    Chance
    Showers

  • Friday

    Friday: Mostly cloudy, then gradually becoming sunny, with a high near 78. West wind around 6 mph.

    High: 78 °F

    Decreasing
    Clouds

  • Friday Night

    Friday Night: Partly cloudy, with a low around 60. Calm wind.

    Low: 60 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 76. Light and variable wind becoming southeast around 6 mph in the morning.

    High: 76 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 40 percent chance of showers.  Cloudy, with a low around 60.

    Low: 60 °F

    Chance
    Showers

  • Sunday

    Sunday: A 30 percent chance of showers before 2pm.  Mostly cloudy, with a high near 74.

    High: 74 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 60.

    Low: 60 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 76.

    High: 76 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Showers and possibly a thunderstorm. High near 73. South wind around 10 mph. Chance of precipitation is 80%.
Tonight
Showers and possibly a thunderstorm before 11pm, then a chance of showers and thunderstorms between 11pm and 2am, then a chance of showers after 2am. Low around 65. South wind 6 to 9 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
Mostly cloudy, then gradually becoming sunny, with a high near 78. West wind around 6 mph.
Friday Night
Partly cloudy, with a low around 60. Calm wind.
Saturday
Partly sunny, with a high near 76. Light and variable wind becoming southeast around 6 mph in the morning.
Saturday Night
A 40 percent chance of showers. Cloudy, with a low around 60.
Sunday
A 30 percent chance of showers before 2pm. Mostly cloudy, with a high near 74.
Sunday Night
Mostly cloudy, with a low around 60.
Monday
Mostly sunny, with a high near 76.
Monday Night
Mostly cloudy, with a low around 60.
Tuesday
Partly sunny, with a high near 75.
Tuesday Night
Mostly cloudy, with a low around 52.
Wednesday
Mostly sunny, with a high near 66.
Wednesday Night
Mostly clear, with a low around 46.
Thursday
Sunny, with a high near 65.
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ABOUT THIS FORECAST

 
Point Forecast:
Old Saybrook Center CT
 41.29°N 72.36°W (Elev. 3 ft)
2:05 pm EDT Sep 25, 2025
4pm EDT Sep 25, 2025-6pm EDT Oct 2, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database