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

35°F

2°C

Humidity 61%
Wind Speed W 8 mph
Barometer 30.07 in (1018.1 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill28°F (-2°C)
Last update 13 Jan 12:56 am EST
Extended Forecast for

Ledyard CT

  • Overnight

    Overnight: Mostly clear, with a low around 28. West wind around 7 mph.

    Low: 28 °F

    Mostly Clear

  • Tuesday

    Tuesday: Increasing clouds, with a high near 43. Wind chill values between 25 and 35. Southwest wind 3 to 8 mph.

    High: 43 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 36. South wind 6 to 9 mph, with gusts as high as 20 mph.

    Low: 36 °F

    Mostly Cloudy
    then Chance
    Showers

  • Wednesday

    Wednesday: A slight chance of showers between 10am and 1pm. Mostly cloudy, with a high near 47. Southwest wind 6 to 8 mph. Chance of precipitation is 20%.

    High: 47 °F

    Slight Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 40 percent chance of rain. Cloudy, with a low around 32. Light south wind.

    Low: 32 °F

    Chance Rain

  • Thursday

    Thursday: Cloudy, then gradually becoming mostly sunny, with a temperature falling to around 30 by 5pm.

    High: 39 °F⇓

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 15.

    Low: 15 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 32.

    High: 32 °F

    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 24.

    Low: 24 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 28. West wind around 7 mph.
Tuesday
Increasing clouds, with a high near 43. Wind chill values between 25 and 35. Southwest wind 3 to 8 mph.
Tuesday Night
A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 36. South wind 6 to 9 mph, with gusts as high as 20 mph.
Wednesday
A slight chance of showers between 10am and 1pm. Mostly cloudy, with a high near 47. Southwest wind 6 to 8 mph. Chance of precipitation is 20%.
Wednesday Night
A 40 percent chance of rain. Cloudy, with a low around 32. Light south wind.
Thursday
Cloudy, then gradually becoming mostly sunny, with a temperature falling to around 30 by 5pm.
Thursday Night
Partly cloudy, with a low around 15.
Friday
Sunny, with a high near 32.
Friday Night
Mostly cloudy, with a low around 24.
Saturday
Partly sunny, with a high near 40.
Saturday Night
Mostly cloudy, with a low around 27.
Sunday
Partly sunny, with a high near 37.
Sunday Night
Mostly cloudy, with a low around 21.
M.L.King Day
Mostly sunny, with a high near 31.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Ledyard CT
 41.46°N 72°W (Elev. 210 ft)
Last Update:
1:04 am EST Jan 13, 2026
Forecast Valid:
1am EST Jan 13, 2026-6pm EST Jan 19, 2026
 
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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