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.

Overcast

62°F

17°C

Humidity 93%
Wind Speed E 17 mph
Barometer 30.09 in (1019.0 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 6 Jul 11:56 pm EDT
Extended Forecast for

2 Miles NNW Ledyard CT

Flood Watch July 7, 12:24am until July 7, 06:00am
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch July 7, 12:24am until July 7, 06:00am

    NOW until 6:00am Tue

    Flood Watch

  • Overnight

    Low: 64 °F

    Showers

  • Tuesday

    Tuesday: Showers likely, mainly before 11am. Mostly cloudy, with a high near 73. Northeast wind 9 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 73 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 59. North wind 5 to 8 mph.

    Low: 59 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 81. North wind around 6 mph.

    High: 81 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 63. Light southwest wind.

    Low: 63 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 85.

    High: 85 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 67.

    Low: 67 °F

    Partly Cloudy

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 89.

    High: 89 °F

    Mostly Sunny
    then Chance
    T-storms

Detailed Forecast

Overnight
Showers and possibly a thunderstorm. Steady temperature around 64. Northeast wind 8 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Tuesday
Showers likely, mainly before 11am. Mostly cloudy, with a high near 73. Northeast wind 9 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday Night
Mostly cloudy, with a low around 59. North wind 5 to 8 mph.
Wednesday
Mostly sunny, with a high near 81. North wind around 6 mph.
Wednesday Night
Mostly clear, with a low around 63. Light southwest wind.
Thursday
Mostly sunny, with a high near 85.
Thursday Night
Partly cloudy, with a low around 67.
Friday
A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 89.
Friday Night
A 30 percent chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 67.
Saturday
A 30 percent chance of showers after 2pm. Mostly sunny, with a high near 85.
Saturday Night
A 30 percent chance of showers. Partly cloudy, with a low around 63.
Sunday
Sunny, with a high near 85.
Sunday Night
Partly cloudy, with a low around 63.
Monday
Mostly sunny, with a high near 86.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNW Ledyard CT
 41.47°N 72.02°W (Elev. 197 ft)
Last Update:
2:35 pm EDT Jul 6, 2026
Forecast Valid:
12am EDT Jul 7, 2026-6pm EDT Jul 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