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.

Fog/Mist

62°F

17°C

Humidity 100%
Wind Speed E 9 mph
Barometer 30.08 in (1018.6 mb)
Dewpoint 62°F (17°C)
Visibility 2.00 mi
Last update 17 Jun 6:56 am EDT
Extended Forecast for

Ledyard CT

  • Today

    Today: A 40 percent chance of showers, mainly before 2pm. Patchy fog before 8am. Otherwise, cloudy, with a high near 67. Southeast wind 3 to 7 mph.

    High: 67 °F

    Chance
    Showers and
    Patchy Fog

  • Tonight

    Tonight: A 30 percent chance of showers. Patchy fog. Otherwise, cloudy, with a low around 62. Light southeast wind.

    Low: 62 °F

    Chance
    Showers and
    Patchy Fog

  • Wednesday

    Wednesday: A slight chance of showers before 11am, then a slight chance of showers and thunderstorms after 5pm. Cloudy, with a high near 76. South wind 3 to 7 mph. Chance of precipitation is 20%.

    High: 76 °F

    Slight Chance
    Showers then
    Cloudy

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Mostly cloudy, with a low around 65. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%.

    Low: 65 °F

    Chance
    Showers

  • Juneteenth

    Juneteenth: A 20 percent chance of showers and thunderstorms after 2pm. Mostly cloudy, then gradually becoming sunny, with a high near 86. Southwest wind 6 to 13 mph, with gusts as high as 24 mph.

    High: 86 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers between 8pm and 11pm. Partly cloudy, with a low around 65. Chance of precipitation is 30%.

    Low: 65 °F

    Chance
    Showers then
    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 63.

    Low: 63 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 84.

    High: 84 °F

    Mostly Sunny

Detailed Forecast

Today
A 40 percent chance of showers, mainly before 2pm. Patchy fog before 8am. Otherwise, cloudy, with a high near 67. Southeast wind 3 to 7 mph.
Tonight
A 30 percent chance of showers. Patchy fog. Otherwise, cloudy, with a low around 62. Light southeast wind.
Wednesday
A slight chance of showers before 11am, then a slight chance of showers and thunderstorms after 5pm. Cloudy, with a high near 76. South wind 3 to 7 mph. Chance of precipitation is 20%.
Wednesday Night
A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Mostly cloudy, with a low around 65. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%.
Juneteenth
A 20 percent chance of showers and thunderstorms after 2pm. Mostly cloudy, then gradually becoming sunny, with a high near 86. Southwest wind 6 to 13 mph, with gusts as high as 24 mph.
Thursday Night
A chance of showers between 8pm and 11pm. Partly cloudy, with a low around 65. Chance of precipitation is 30%.
Friday
Sunny, with a high near 84.
Friday Night
Mostly clear, with a low around 63.
Saturday
Mostly sunny, with a high near 84.
Saturday Night
Mostly cloudy, with a low around 65.
Sunday
Mostly sunny, with a high near 87.
Sunday Night
Partly cloudy, with a low around 67.
Monday
Mostly sunny, with a high near 90.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Ledyard CT
 41.45°N 72.03°W (Elev. 184 ft)
Last Update:
3:36 am EDT Jun 17, 2025
Forecast Valid:
7am EDT Jun 17, 2025-6pm EDT Jun 23, 2025
 
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