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

35°F

2°C

Humidity 64%
Wind Speed N 5 mph
Barometer 29.97 in (1014.9 mb)
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Wind Chill31°F (-1°C)
Last update 19 Feb 3:56 am EST
Extended Forecast for

Old Saybrook Center CT

  • Today

    Today: Mostly cloudy, with a high near 40. Northeast wind around 7 mph becoming southeast in the afternoon.

    High: 40 °F

    Mostly Cloudy

  • Tonight

    Tonight: A 30 percent chance of rain after 4am. Mostly cloudy, with a low around 32. East wind 5 to 8 mph.

    Low: 32 °F

    Mostly Cloudy
    then Chance
    Rain

  • Friday

    Friday: Rain and snow, becoming all rain after 10am. High near 39. East wind 8 to 14 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.

    High: 39 °F

    Rain/Snow
    then Rain

  • Friday Night

    Friday Night: Rain likely before 4am, then a chance of snow. Cloudy, with a low around 33. Northeast wind 5 to 10 mph becoming north after midnight. Chance of precipitation is 70%. Little or no snow accumulation expected.

    Low: 33 °F

    Rain Likely
    then
    Rain/Snow
    Likely

  • Saturday

    Saturday: A chance of snow before 1pm, then a chance of rain and snow between 1pm and 4pm, then a chance of snow after 4pm. Mostly cloudy, with a high near 39. North wind 5 to 7 mph becoming east in the afternoon. Chance of precipitation is 30%.

    High: 39 °F

    Chance Snow
    then Chance
    Rain/Snow

  • Saturday Night

    Saturday Night: A 30 percent chance of snow before 1am. Mostly cloudy, with a low around 28.

    Low: 28 °F

    Chance Snow

  • Sunday

    Sunday: A 30 percent chance of snow after 1pm. Partly sunny, with a high near 37.

    High: 37 °F

    Partly Sunny
    then Chance
    Snow

  • Sunday Night

    Sunday Night: A 50 percent chance of snow. Mostly cloudy, with a low around 30.

    Low: 30 °F

    Chance Snow

  • Monday

    Monday: A 40 percent chance of snow. Mostly cloudy, with a high near 35.

    High: 35 °F

    Chance Snow

Detailed Forecast

Today
Mostly cloudy, with a high near 40. Northeast wind around 7 mph becoming southeast in the afternoon.
Tonight
A 30 percent chance of rain after 4am. Mostly cloudy, with a low around 32. East wind 5 to 8 mph.
Friday
Rain and snow, becoming all rain after 10am. High near 39. East wind 8 to 14 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
Friday Night
Rain likely before 4am, then a chance of snow. Cloudy, with a low around 33. Northeast wind 5 to 10 mph becoming north after midnight. Chance of precipitation is 70%. Little or no snow accumulation expected.
Saturday
A chance of snow before 1pm, then a chance of rain and snow between 1pm and 4pm, then a chance of snow after 4pm. Mostly cloudy, with a high near 39. North wind 5 to 7 mph becoming east in the afternoon. Chance of precipitation is 30%.
Saturday Night
A 30 percent chance of snow before 1am. Mostly cloudy, with a low around 28.
Sunday
A 30 percent chance of snow after 1pm. Partly sunny, with a high near 37.
Sunday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 30.
Monday
A 40 percent chance of snow. Mostly cloudy, with a high near 35.
Monday Night
Mostly cloudy, with a low around 26.
Tuesday
Sunny, with a high near 35.
Tuesday Night
Partly cloudy, with a low around 23.
Wednesday
Partly sunny, with a high near 37.
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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:
1:10 am EST Feb 19, 2026
Forecast Valid:
4am EST Feb 19, 2026-6pm EST Feb 25, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation