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.

Fog/Mist

36°F

2°C

Humidity 97%
Wind Speed S 5 mph
Barometer 30.24 in (1023.9 mb)
Dewpoint 35°F (2°C)
Visibility 0.75 mi
Wind Chill32°F (0°C)
Last update 7 Mar 8:56 am EST
Extended Forecast for

Old Saybrook Center CT

  • Today

    Today: Areas of drizzle before 1pm. Areas of fog before 4pm. Otherwise, cloudy, with a high near 44. South wind 5 to 8 mph.

    High: 44 °F

    Areas Drizzle
    and Areas Fog

  • Tonight

    Tonight: A 50 percent chance of showers after 10pm. Areas of fog between 7pm and 4am. Otherwise, cloudy, with a temperature rising to around 46 by 2am. Southwest wind 8 to 11 mph.

    Low: 43 °F⇑

    Chance
    Showers and
    Areas Fog

  • Sunday

    Sunday: A 30 percent chance of rain, mainly before 1pm. Cloudy, with a high near 54. Southwest wind 8 to 10 mph.

    High: 54 °F

    Chance Rain

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 37. West wind 5 to 7 mph.

    Low: 37 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 53. Light southwest wind increasing to 6 to 11 mph in the morning.

    High: 53 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 40.

    Low: 40 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 56.

    High: 56 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 42.

    Low: 42 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 40 percent chance of rain. Cloudy, with a high near 52.

    High: 52 °F

    Chance Rain

Detailed Forecast

Today
Areas of drizzle before 1pm. Areas of fog before 4pm. Otherwise, cloudy, with a high near 44. South wind 5 to 8 mph.
Tonight
A 50 percent chance of showers after 10pm. Areas of fog between 7pm and 4am. Otherwise, cloudy, with a temperature rising to around 46 by 2am. Southwest wind 8 to 11 mph.
Sunday
A 30 percent chance of rain, mainly before 1pm. Cloudy, with a high near 54. Southwest wind 8 to 10 mph.
Sunday Night
Mostly clear, with a low around 37. West wind 5 to 7 mph.
Monday
Sunny, with a high near 53. Light southwest wind increasing to 6 to 11 mph in the morning.
Monday Night
Partly cloudy, with a low around 40.
Tuesday
Mostly sunny, with a high near 56.
Tuesday Night
Mostly cloudy, with a low around 42.
Wednesday
A 40 percent chance of rain. Cloudy, with a high near 52.
Wednesday Night
Rain likely, mainly after 1am. Cloudy, with a low around 44. Chance of precipitation is 60%.
Thursday
A 50 percent chance of rain. Mostly cloudy, with a high near 50.
Thursday Night
Partly cloudy, with a low around 30.
Friday
Partly sunny, with a high near 42.
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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:
2:47 am EST Mar 7, 2026
Forecast Valid:
9am EST Mar 7, 2026-6pm EDT Mar 13, 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