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

61°F

16°C

Humidity 93%
Wind Speed SE 6 mph
Barometer 29.83 in (1010.0 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 18 Jun 1:56 am EDT
Extended Forecast for

Old Saybrook Center CT

  • Overnight

    Overnight: Mostly cloudy, with a low around 60. South wind around 6 mph.

    Low: 60 °F

    Mostly Cloudy

  • Thursday

    Thursday: A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 75. Breezy, with a south wind 14 to 22 mph, with gusts as high as 32 mph. Chance of precipitation is 50%.

    High: 75 °F

    Chance
    Showers and
    Breezy

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 64. Southwest wind 9 to 16 mph.

    Low: 64 °F

    Partly Cloudy

  • Juneteenth

    Juneteenth: Sunny, with a high near 76. West wind 11 to 14 mph.

    High: 76 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 61. West wind 9 to 13 mph.

    Low: 61 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 76.

    High: 76 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 60.

    Low: 60 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 75.

    High: 75 °F

    Sunny

  • Sunday Night

    Sunday Night: A 30 percent chance of showers after 2am. Partly cloudy, with a low around 61.

    Low: 61 °F

    Partly Cloudy
    then Chance
    Showers

Detailed Forecast

Overnight
Mostly cloudy, with a low around 60. South wind around 6 mph.
Thursday
A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 75. Breezy, with a south wind 14 to 22 mph, with gusts as high as 32 mph. Chance of precipitation is 50%.
Thursday Night
Partly cloudy, with a low around 64. Southwest wind 9 to 16 mph.
Juneteenth
Sunny, with a high near 76. West wind 11 to 14 mph.
Friday Night
Clear, with a low around 61. West wind 9 to 13 mph.
Saturday
Sunny, with a high near 76.
Saturday Night
Clear, with a low around 60.
Sunday
Sunny, with a high near 75.
Sunday Night
A 30 percent chance of showers after 2am. Partly cloudy, with a low around 61.
Monday
Showers, mainly after 8am. High near 73. Chance of precipitation is 80%.
Monday Night
Showers. Low around 61. Chance of precipitation is 80%.
Tuesday
Mostly sunny, with a high near 75.
Tuesday Night
Mostly clear, with a low around 62.
Wednesday
Sunny, with a high near 76.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Old Saybrook Center CT
 41.29°N 72.39°W (Elev. 89 ft)
Last Update:
2:20 pm EDT Jun 17, 2026
Forecast Valid:
2am EDT Jun 18, 2026-6pm EDT Jun 24, 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