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.

Overcast

49°F

9°C

Humidity 93%
Wind Speed NW 18 G 29 mph
Barometer 29.62 in (1003.1 mb)
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Wind Chill43°F (6°C)
Last update 12 Mar 9:56 am EDT
Extended Forecast for

Old Saybrook Center CT

  • Today

    Today: Rain likely before 3pm, then rain and snow. Temperature falling to around 38 by 4pm. Northwest wind 14 to 16 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 47 °F⇓

    Rain Likely
    then
    Rain/Snow

  • Tonight

    Tonight: Snow, possibly mixed with rain, becoming all snow after 7pm, then gradually ending. Low around 29. Northwest wind 10 to 14 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

    Low: 29 °F

    Rain/Snow
    then Mostly
    Clear

  • Friday

    Friday: Increasing clouds, with a high near 43. West wind 6 to 15 mph becoming south in the afternoon.

    High: 43 °F

    Increasing
    Clouds

  • Friday Night

    Friday Night: Mostly cloudy, then gradually becoming mostly clear, with a steady temperature around 40. South wind 15 to 17 mph.

    Low: 40 °F

    Decreasing
    Clouds

  • Saturday

    Saturday: Sunny, with a high near 48. West wind around 18 mph, with gusts as high as 28 mph.

    High: 48 °F

    Sunny

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 30.

    Low: 30 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Cloudy, with a high near 45.

    High: 45 °F

    Cloudy

  • Sunday Night

    Sunday Night: Rain, mainly after 2am. Low around 38. Chance of precipitation is 80%.

    Low: 38 °F

    Chance Rain
    then Rain

  • Monday

    Monday: Rain. High near 56. Breezy. Chance of precipitation is 90%.

    High: 56 °F

    Rain and
    Breezy

Detailed Forecast

Today
Rain likely before 3pm, then rain and snow. Temperature falling to around 38 by 4pm. Northwest wind 14 to 16 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Tonight
Snow, possibly mixed with rain, becoming all snow after 7pm, then gradually ending. Low around 29. Northwest wind 10 to 14 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Friday
Increasing clouds, with a high near 43. West wind 6 to 15 mph becoming south in the afternoon.
Friday Night
Mostly cloudy, then gradually becoming mostly clear, with a steady temperature around 40. South wind 15 to 17 mph.
Saturday
Sunny, with a high near 48. West wind around 18 mph, with gusts as high as 28 mph.
Saturday Night
Increasing clouds, with a low around 30.
Sunday
Cloudy, with a high near 45.
Sunday Night
Rain, mainly after 2am. Low around 38. Chance of precipitation is 80%.
Monday
Rain. High near 56. Breezy. Chance of precipitation is 90%.
Monday Night
Rain likely, mainly before 2am. Cloudy, with a low around 33. Breezy. Chance of precipitation is 70%.
Tuesday
A 30 percent chance of rain. Mostly sunny, with a high near 42.
Tuesday Night
Mostly clear, with a low around 24.
Wednesday
Mostly sunny, with a high near 38.
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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:
7:04 am EDT Mar 12, 2026
Forecast Valid:
10am EDT Mar 12, 2026-6pm EDT Mar 18, 2026
 
Forecast Discussion
 
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Additional Resources

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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