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 51%
Wind Speed SW 15 G 23 mph
Barometer 30.00 in (1015.9 mb)
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Wind Chill33°F (1°C)
Last update 13 Jan 11:56 am EST
Extended Forecast for

4 Miles NNE Ledyard CT

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 43. South wind around 8 mph.

    High: 43 °F

    Mostly Sunny

  • Tonight

    Tonight: A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 35. South wind 7 to 10 mph, with gusts as high as 20 mph.

    Low: 35 °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. Calm wind becoming southwest around 5 mph after midnight.

    Low: 32 °F

    Chance Rain

  • Thursday

    Thursday: A 20 percent chance of rain before 1pm. Cloudy, then gradually becoming mostly sunny, with a temperature falling to around 29 by 5pm. West wind 6 to 11 mph, with gusts as high as 21 mph.

    High: 39 °F⇓

    Slight Chance
    Rain

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 14.

    Low: 14 °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

  • Saturday

    Saturday: Partly sunny, with a high near 40.

    High: 40 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 43. South wind around 8 mph.
Tonight
A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 35. South wind 7 to 10 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. Calm wind becoming southwest around 5 mph after midnight.
Thursday
A 20 percent chance of rain before 1pm. Cloudy, then gradually becoming mostly sunny, with a temperature falling to around 29 by 5pm. West wind 6 to 11 mph, with gusts as high as 21 mph.
Thursday Night
Partly cloudy, with a low around 14.
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 26.
Sunday
Partly sunny, with a high near 37.
Sunday Night
Mostly 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:
4 Miles NNE Ledyard CT
 41.5°N 71.96°W (Elev. 210 ft)
Last Update:
5:50 am EST Jan 13, 2026
Forecast Valid:
12pm EST Jan 13, 2026-6pm EST Jan 19, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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