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.

Mostly Cloudy

46°F

8°C

Humidity 44%
Wind Speed N 14 mph
Barometer 29.77 in (1008.0 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill40°F (4°C)
Last update 3 May 3:56 am EDT
Extended Forecast for

Old Saybrook Center CT

  • Today

    Today: Sunny, with a high near 59. Northwest wind 8 to 17 mph.

    High: 59 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 44. West wind around 6 mph becoming calm in the evening.

    Low: 44 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 64. Southwest wind 8 to 14 mph, with gusts as high as 24 mph.

    High: 64 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 51. Southwest wind 6 to 8 mph, with gusts as high as 20 mph.

    Low: 51 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 67. South wind 7 to 14 mph, with gusts as high as 24 mph.

    High: 67 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 55.

    Low: 55 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Showers likely, mainly after 2pm. Mostly cloudy, with a high near 62. Chance of precipitation is 70%.

    High: 62 °F

    Chance
    Showers then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers. Low around 50. Chance of precipitation is 80%.

    Low: 50 °F

    Showers

  • Thursday

    Thursday: Showers likely. Mostly cloudy, with a high near 60. Chance of precipitation is 70%.

    High: 60 °F

    Showers
    Likely

Detailed Forecast

Today
Sunny, with a high near 59. Northwest wind 8 to 17 mph.
Tonight
Mostly clear, with a low around 44. West wind around 6 mph becoming calm in the evening.
Monday
Sunny, with a high near 64. Southwest wind 8 to 14 mph, with gusts as high as 24 mph.
Monday Night
Mostly clear, with a low around 51. Southwest wind 6 to 8 mph, with gusts as high as 20 mph.
Tuesday
Sunny, with a high near 67. South wind 7 to 14 mph, with gusts as high as 24 mph.
Tuesday Night
Mostly cloudy, with a low around 55.
Wednesday
Showers likely, mainly after 2pm. Mostly cloudy, with a high near 62. Chance of precipitation is 70%.
Wednesday Night
Showers. Low around 50. Chance of precipitation is 80%.
Thursday
Showers likely. Mostly cloudy, with a high near 60. Chance of precipitation is 70%.
Thursday Night
A 40 percent chance of showers before 2am. Mostly cloudy, with a low around 44.
Friday
Mostly sunny, with a high near 60.
Friday Night
Partly cloudy, with a low around 44.
Saturday
A 30 percent chance of showers. Mostly sunny, with a high near 59.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Old Saybrook Center CT
 41.29°N 72.36°W (Elev. 3 ft)
Last Update:
2:39 am EDT May 3, 2026
Forecast Valid:
4am EDT May 3, 2026-6pm EDT May 9, 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