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.

Mostly Cloudy

71°F

22°C

Humidity 63%
Wind Speed NW 10 mph
Barometer 29.72 in (1006.4 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 12 Oct 3:56 pm EDT
Extended Forecast for

3 Miles ENE Ledyard CT

  • Tonight

    Tonight: Patchy fog after 8pm. Otherwise, increasing clouds, with a low around 53. Northwest wind around 5 mph becoming light and variable in the evening.

    Low: 53 °F

    Patchy Fog

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 65. East wind 6 to 8 mph becoming south in the afternoon.

    High: 65 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers before 11pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 61. South wind 5 to 9 mph, with gusts as high as 21 mph.

    Low: 61 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 77. West wind 7 to 9 mph.

    High: 77 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 51. Northwest wind around 6 mph.

    Low: 51 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 64.

    High: 64 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 46.

    Low: 46 °F

    Partly Cloudy

  • Friday

    Friday: Showers after 8am. High near 65. Chance of precipitation is 90%.

    High: 65 °F

    Showers

  • Friday Night

    Friday Night: A 40 percent chance of showers before 2am. Mostly cloudy, with a low around 42.

    Low: 42 °F

    Chance
    Showers

Detailed Forecast

Tonight
Patchy fog after 8pm. Otherwise, increasing clouds, with a low around 53. Northwest wind around 5 mph becoming light and variable in the evening.
Tuesday
Mostly cloudy, with a high near 65. East wind 6 to 8 mph becoming south in the afternoon.
Tuesday Night
A 20 percent chance of showers before 11pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 61. South wind 5 to 9 mph, with gusts as high as 21 mph.
Wednesday
Mostly sunny, with a high near 77. West wind 7 to 9 mph.
Wednesday Night
Partly cloudy, with a low around 51. Northwest wind around 6 mph.
Thursday
Sunny, with a high near 64.
Thursday Night
Partly cloudy, with a low around 46.
Friday
Showers after 8am. High near 65. Chance of precipitation is 90%.
Friday Night
A 40 percent chance of showers before 2am. Mostly cloudy, with a low around 42.
Saturday
Mostly sunny, with a high near 51. Breezy.
Saturday Night
Mostly clear, with a low around 34.
Sunday
Sunny, with a high near 53.
Sunday Night
Mostly clear, with a low around 40.
Monday
Sunny, with a high near 60.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ENE Ledyard CT
 41.46°N 71.94°W (Elev. 292 ft)
Last Update:
2:47 pm EDT Oct 12, 2026
Forecast Valid:
4pm EDT Oct 12, 2026-6pm EDT Oct 19, 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