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.

Fair

61°F

16°C

Humidity 72%
Wind Speed NA
Barometer 29.91 in (1012.8 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 14 Apr 2:56 pm EDT
Extended Forecast for

Old Saybrook Center CT

  • This Afternoon

    This Afternoon: Sunny, with a high near 67. South wind around 9 mph.

    High: 67 °F

    Sunny

  • Tonight

    Tonight: A slight chance of showers before 8pm, then a chance of showers and thunderstorms between 8pm and 11pm. Patchy fog after 2am. Otherwise, partly cloudy, with a low around 53. Southwest wind 6 to 9 mph. Chance of precipitation is 30%.

    Low: 53 °F

    Chance
    Showers then
    Patchy Fog

  • Wednesday

    Wednesday: A slight chance of showers between 2pm and 5pm, then a slight chance of showers and thunderstorms after 5pm. Patchy fog before 8am. Otherwise, mostly sunny, with a high near 70. Light west wind becoming southwest 5 to 10 mph in the morning. Chance of precipitation is 20%.

    High: 70 °F

    Patchy Fog
    then Slight
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 2am, then a slight chance of showers. Mostly cloudy, with a low around 55. South wind 5 to 7 mph. Chance of precipitation is 40%.

    Low: 55 °F

    Chance
    T-storms

  • Thursday

    Thursday: Partly sunny, with a high near 68. South wind 5 to 8 mph.

    High: 68 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 53.

    Low: 53 °F

    Mostly Cloudy

  • Friday

    Friday: A chance of showers and thunderstorms between 2pm and 5pm, then a chance of showers after 5pm. Partly sunny, with a high near 66. Chance of precipitation is 40%.

    High: 66 °F

    Partly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: A 30 percent chance of showers before 8pm. Mostly cloudy, with a low around 50.

    Low: 50 °F

    Chance
    Showers then
    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 58.

    High: 58 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 67. South wind around 9 mph.
Tonight
A slight chance of showers before 8pm, then a chance of showers and thunderstorms between 8pm and 11pm. Patchy fog after 2am. Otherwise, partly cloudy, with a low around 53. Southwest wind 6 to 9 mph. Chance of precipitation is 30%.
Wednesday
A slight chance of showers between 2pm and 5pm, then a slight chance of showers and thunderstorms after 5pm. Patchy fog before 8am. Otherwise, mostly sunny, with a high near 70. Light west wind becoming southwest 5 to 10 mph in the morning. Chance of precipitation is 20%.
Wednesday Night
A chance of showers and thunderstorms before 2am, then a slight chance of showers. Mostly cloudy, with a low around 55. South wind 5 to 7 mph. Chance of precipitation is 40%.
Thursday
Partly sunny, with a high near 68. South wind 5 to 8 mph.
Thursday Night
Mostly cloudy, with a low around 53.
Friday
A chance of showers and thunderstorms between 2pm and 5pm, then a chance of showers after 5pm. Partly sunny, with a high near 66. Chance of precipitation is 40%.
Friday Night
A 30 percent chance of showers before 8pm. Mostly cloudy, with a low around 50.
Saturday
Partly sunny, with a high near 58.
Saturday Night
Mostly cloudy, with a low around 47.
Sunday
A 50 percent chance of showers. Mostly cloudy, with a high near 57.
Sunday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 41.
Monday
Mostly sunny, with a high near 47.
Monday Night
Mostly clear, with a low around 34.
Tuesday
Sunny, with a high near 48.
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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:
2:12 pm EDT Apr 14, 2026
Forecast Valid:
3pm EDT Apr 14, 2026-6pm EDT Apr 21, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation