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.

Fair

63°F

17°C

Humidity 70%
Wind Speed N 12 mph
Barometer 30.11 in (1019.5 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Last update 19 Sep 12:56 am EDT
Extended Forecast for

Saybrook Manor CT

  • Overnight

    Overnight: Mostly cloudy, with a low around 55. North wind around 10 mph, with gusts as high as 20 mph.

    Low: 55 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 67. Northeast wind around 9 mph becoming southeast in the afternoon.

    High: 67 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 58. Southeast wind around 7 mph.

    Low: 58 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of showers, then showers and possibly a thunderstorm after 2pm. High near 68. Southeast wind 5 to 13 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 68 °F

    Chance
    Showers then
    Showers

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm before 2am, then showers likely. Low around 58. South wind around 8 mph becoming northeast after midnight. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.

    Low: 58 °F

    Showers

  • Monday

    Monday: Showers likely, mainly before 8am. Mostly cloudy, with a high near 67. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    High: 67 °F

    Showers
    Likely then
    Chance
    Showers

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 53.

    Low: 53 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 64.

    High: 64 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 52.

    Low: 52 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 55. North wind around 10 mph, with gusts as high as 20 mph.
Saturday
Mostly sunny, with a high near 67. Northeast wind around 9 mph becoming southeast in the afternoon.
Saturday Night
Mostly cloudy, with a low around 58. Southeast wind around 7 mph.
Sunday
A chance of showers, then showers and possibly a thunderstorm after 2pm. High near 68. Southeast wind 5 to 13 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
Showers and possibly a thunderstorm before 2am, then showers likely. Low around 58. South wind around 8 mph becoming northeast after midnight. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
Monday
Showers likely, mainly before 8am. Mostly cloudy, with a high near 67. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Monday Night
Mostly cloudy, with a low around 53.
Tuesday
Mostly cloudy, with a high near 64.
Tuesday Night
Mostly cloudy, with a low around 52.
Wednesday
Partly sunny, with a high near 64. Breezy.
Wednesday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 52. Breezy.
Thursday
A 30 percent chance of showers. Mostly cloudy, with a high near 64. Breezy.
Thursday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 53.
Friday
A 30 percent chance of showers. Partly sunny, with a high near 66.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Saybrook Manor CT
 41.27°N 72.39°W (Elev. 0 ft)
Last Update:
3:10 pm EDT Sep 18, 2026
Forecast Valid:
1am EDT Sep 19, 2026-6pm EDT Sep 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