National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Groton / New London, Groton / New London Airport (KGON)

Lat: 41.33°NLon: 72.05°WElev: 10ft.

Fair

57°F

14°C

Humidity 41%
Wind Speed NW 3 mph
Barometer 30.03 in (1016.8 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Last update 6 Oct 5:56 pm EDT
Extended Forecast for

2 Miles SW Ledyard CT

Frost Advisory October 6, 11:00pm until October 7, 09:00am
Click here for hazard details and duration
Frost Advisory

  • Tonight

    Tonight: Areas of frost after 4am. Otherwise, clear, with a low around 35. Northwest wind around 6 mph becoming calm in the evening.

    Low: 35 °F

    Clear then
    Areas Frost

  • Wednesday

    Wednesday: Areas of frost before 9am. Otherwise, sunny, with a high near 63. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.

    High: 63 °F

    Areas Frost
    then Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 54. Southwest wind around 8 mph.

    Low: 54 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 72. Southwest wind 8 to 10 mph.

    High: 72 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 49. Light northwest wind.

    Low: 49 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 67.

    High: 67 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 47.

    Low: 47 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 67.

    High: 67 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 51.

    Low: 51 °F

    Mostly Clear

Detailed Forecast

Tonight
Areas of frost after 4am. Otherwise, clear, with a low around 35. Northwest wind around 6 mph becoming calm in the evening.
Wednesday
Areas of frost before 9am. Otherwise, sunny, with a high near 63. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 54. Southwest wind around 8 mph.
Thursday
Sunny, with a high near 72. Southwest wind 8 to 10 mph.
Thursday Night
Mostly clear, with a low around 49. Light northwest wind.
Friday
Sunny, with a high near 67.
Friday Night
Mostly clear, with a low around 47.
Saturday
Sunny, with a high near 67.
Saturday Night
Mostly clear, with a low around 51.
Sunday
Mostly sunny, with a high near 68.
Sunday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 57.
Columbus Day
A 40 percent chance of showers. Mostly cloudy, with a high near 69.
Monday Night
Mostly cloudy, with a low around 55.
Tuesday
Mostly sunny, with a high near 68.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SW Ledyard CT
 41.42°N 72.03°W (Elev. 233 ft)
Last Update:
5:36 pm EDT Oct 6, 2026
Forecast Valid:
6pm EDT Oct 6, 2026-6pm EDT Oct 13, 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