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

69°F

21°C

Humidity 93%
Wind Speed E 5 mph
Barometer 29.84 in (1010.5 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Last update 23 Aug 8:56 am EDT
Extended Forecast for

3 Miles N Ledyard CT

  • Today

    Today: Showers likely, with thunderstorms also possible after 2pm. Patchy fog before 11am. Otherwise, mostly cloudy, with a high near 78. Light and variable wind becoming south 5 to 7 mph in the morning. Chance of precipitation is 70%.

    High: 78 °F

    Showers
    Likely and
    Patchy Fog

  • Tonight

    Tonight: Patchy fog after 3am. Otherwise, partly cloudy, with a low around 61. South wind around 6 mph becoming calm in the evening.

    Low: 61 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Monday

    Monday: Patchy fog before 8am. Otherwise, sunny, with a high near 78. Light southwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 78 °F

    Patchy Fog
    then Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 57. Light west wind.

    Low: 57 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 77. Light west wind increasing to 5 to 9 mph in the morning.

    High: 77 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

Detailed Forecast

Today
Showers likely, with thunderstorms also possible after 2pm. Patchy fog before 11am. Otherwise, mostly cloudy, with a high near 78. Light and variable wind becoming south 5 to 7 mph in the morning. Chance of precipitation is 70%.
Tonight
Patchy fog after 3am. Otherwise, partly cloudy, with a low around 61. South wind around 6 mph becoming calm in the evening.
Monday
Patchy fog before 8am. Otherwise, sunny, with a high near 78. Light southwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Monday Night
Mostly clear, with a low around 57. Light west wind.
Tuesday
Sunny, with a high near 77. Light west wind increasing to 5 to 9 mph in the morning.
Tuesday Night
Mostly clear, with a low around 56.
Wednesday
Sunny, with a high near 79.
Wednesday Night
Mostly clear, with a low around 61.
Thursday
Mostly sunny, with a high near 80.
Thursday Night
Showers likely, mainly after 2am. Mostly cloudy, with a low around 64. Chance of precipitation is 60%.
Friday
Showers likely. Partly sunny, with a high near 81. Chance of precipitation is 60%.
Friday Night
Partly cloudy, with a low around 64.
Saturday
Mostly sunny, with a high near 81.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles N Ledyard CT
 41.49°N 71.99°W (Elev. 154 ft)
Last Update:
3:21 am EDT Aug 23, 2026
Forecast Valid:
9am EDT Aug 23, 2026-6pm EDT Aug 29, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation