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.

Overcast

69°F

21°C

Humidity 100%
Wind Speed Calm
Barometer 29.87 in (1011.4 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Last update 19 Aug 2:56 am EDT
Extended Forecast for

Saybrook Manor CT

  • Overnight

    Overnight: Partly cloudy, with a low around 67. Calm wind.

    Low: 67 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 81. Calm wind becoming southwest 5 to 8 mph in the afternoon.

    High: 81 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 69. Southwest wind around 5 mph becoming calm in the evening.

    Low: 69 °F

    Partly Cloudy

  • Thursday

    Thursday: Showers likely, mainly after 5pm. Increasing clouds, with a high near 79. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 79 °F

    Mostly Sunny
    then Showers
    Likely

  • Thursday Night

    Thursday Night: Showers likely, mainly before 8pm. Cloudy during the early evening, then gradual clearing, with a low around 63. Calm wind. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 63 °F

    Showers
    Likely then
    Chance
    Showers

  • Friday

    Friday: Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 63.

    Low: 63 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 50 percent chance of showers after 8am. Partly sunny, with a high near 76.

    High: 76 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 64.

    Low: 64 °F

    Chance
    Showers

Detailed Forecast

Overnight
Partly cloudy, with a low around 67. Calm wind.
Wednesday
Sunny, with a high near 81. Calm wind becoming southwest 5 to 8 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 69. Southwest wind around 5 mph becoming calm in the evening.
Thursday
Showers likely, mainly after 5pm. Increasing clouds, with a high near 79. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Showers likely, mainly before 8pm. Cloudy during the early evening, then gradual clearing, with a low around 63. Calm wind. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Mostly sunny, with a high near 78.
Friday Night
Mostly cloudy, with a low around 63.
Saturday
A 50 percent chance of showers after 8am. Partly sunny, with a high near 76.
Saturday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 64.
Sunday
A 40 percent chance of showers. Mostly cloudy, with a high near 78.
Sunday Night
Mostly cloudy, with a low around 64.
Monday
Mostly sunny, with a high near 79.
Monday Night
Mostly clear, with a low around 62.
Tuesday
Sunny, with a high near 78.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Saybrook Manor CT
 41.27°N 72.39°W (Elev. 0 ft)
Last Update:
2:14 am EDT Aug 19, 2026
Forecast Valid:
3am EDT Aug 19, 2026-6pm EDT Aug 25, 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