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.

Light Snow

35°F

2°C

Humidity 72%
Wind Speed SE 8 mph
Barometer 30.51 in (1033.1 mb)
Dewpoint 27°F (-3°C)
Visibility 7.00 mi
Wind Chill28°F (-2°C)
Last update 3 Mar 12:56 pm EST
Extended Forecast for

Old Saybrook Center CT

  • This Afternoon

    This Afternoon: Rain, possibly mixed with snow, becoming all rain after 3pm. High near 38. East wind around 9 mph. Chance of precipitation is 100%. Total daytime snow accumulation of less than a half inch possible.

    High: 38 °F

    Rain/Snow

  • Tonight

    Tonight: Rain, mainly before 1am. Low around 36. East wind 6 to 8 mph becoming west after midnight. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 36 °F

    Rain

  • Wednesday

    Wednesday: Mostly sunny, with a high near 47. Northwest wind around 6 mph becoming light and variable in the morning.

    High: 47 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 20 percent chance of rain after 1am. Mostly cloudy, with a low around 34. Calm wind.

    Low: 34 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Thursday

    Thursday: A 50 percent chance of rain. Cloudy, with a high near 44. Calm wind becoming east 5 to 7 mph in the afternoon.

    High: 44 °F

    Chance Rain

  • Thursday Night

    Thursday Night: Rain likely. Cloudy, with a low around 37. Chance of precipitation is 60%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 37 °F

    Rain Likely

  • Friday

    Friday: A 50 percent chance of rain before 1pm. Mostly cloudy, with a high near 43.

    High: 43 °F

    Chance Rain

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 36.

    Low: 36 °F

    Mostly Cloudy

  • Saturday

    Saturday: Cloudy, with a high near 49.

    High: 49 °F

    Cloudy

Detailed Forecast

This Afternoon
Rain, possibly mixed with snow, becoming all rain after 3pm. High near 38. East wind around 9 mph. Chance of precipitation is 100%. Total daytime snow accumulation of less than a half inch possible.
Tonight
Rain, mainly before 1am. Low around 36. East wind 6 to 8 mph becoming west after midnight. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.
Wednesday
Mostly sunny, with a high near 47. Northwest wind around 6 mph becoming light and variable in the morning.
Wednesday Night
A 20 percent chance of rain after 1am. Mostly cloudy, with a low around 34. Calm wind.
Thursday
A 50 percent chance of rain. Cloudy, with a high near 44. Calm wind becoming east 5 to 7 mph in the afternoon.
Thursday Night
Rain likely. Cloudy, with a low around 37. Chance of precipitation is 60%. New precipitation amounts between a half and three quarters of an inch possible.
Friday
A 50 percent chance of rain before 1pm. Mostly cloudy, with a high near 43.
Friday Night
Mostly cloudy, with a low around 36.
Saturday
Cloudy, with a high near 49.
Saturday Night
Rain likely, mainly before 1am. Mostly cloudy, with a low around 45. Chance of precipitation is 60%.
Sunday
Mostly cloudy, with a high near 54.
Sunday Night
Partly cloudy, with a low around 43.
Monday
Partly sunny, with a high near 56.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Old Saybrook Center CT
 41.29°N 72.39°W (Elev. 89 ft)
Last Update:
4:31 am EST Mar 3, 2026
Forecast Valid:
1pm EST Mar 3, 2026-6pm EDT Mar 9, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation