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

41°F

5°C

Humidity 55%
Wind Speed SW 12 mph
Barometer 29.96 in (1014.5 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Wind Chill34°F (1°C)
Last update 13 Jan 1:56 pm EST
Extended Forecast for

Ledyard CT

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 43. South wind around 9 mph.

    High: 43 °F

    Mostly Sunny

  • Tonight

    Tonight: A 20 percent chance of rain after 1am. Mostly cloudy, with a steady temperature around 39. South wind 6 to 9 mph, with gusts as high as 22 mph.

    Low: 39 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Wednesday

    Wednesday: A 20 percent chance of rain before 10am. Mostly cloudy, with a high near 47. Southwest wind 6 to 8 mph.

    High: 47 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A 40 percent chance of rain, mainly after 1am. Cloudy, with a low around 31. Calm wind becoming south around 5 mph after midnight.

    Low: 31 °F

    Chance Rain

  • Thursday

    Thursday: Partly sunny, with a temperature rising to near 38 by 10am, then falling to around 29 during the remainder of the day. West wind 6 to 11 mph, with gusts as high as 22 mph.

    High: 38 °F⇓

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 14.

    Low: 14 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 33.

    High: 33 °F

    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 26.

    Low: 26 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 41.

    High: 41 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 43. South wind around 9 mph.
Tonight
A 20 percent chance of rain after 1am. Mostly cloudy, with a steady temperature around 39. South wind 6 to 9 mph, with gusts as high as 22 mph.
Wednesday
A 20 percent chance of rain before 10am. Mostly cloudy, with a high near 47. Southwest wind 6 to 8 mph.
Wednesday Night
A 40 percent chance of rain, mainly after 1am. Cloudy, with a low around 31. Calm wind becoming south around 5 mph after midnight.
Thursday
Partly sunny, with a temperature rising to near 38 by 10am, then falling to around 29 during the remainder of the day. West wind 6 to 11 mph, with gusts as high as 22 mph.
Thursday Night
Mostly clear, with a low around 14.
Friday
Sunny, with a high near 33.
Friday Night
Mostly cloudy, with a low around 26.
Saturday
Partly sunny, with a high near 41.
Saturday Night
Mostly cloudy, with a low around 26.
Sunday
Partly sunny, with a high near 34.
Sunday Night
Partly cloudy, with a low around 20.
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
 41.44°N 72°W (Elev. 200 ft)
Last Update:
12:35 pm EST Jan 13, 2026
Forecast Valid:
2pm 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