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

58°F

14°C

Humidity 97%
Wind Speed Calm
Barometer 30.13 in (1020.2 mb)
Dewpoint 57°F (14°C)
Visibility 8.00 mi
Last update 18 May 10:56 pm EDT
Extended Forecast for

2 Miles N Ledyard CT

  • Tonight

    Tonight: Mostly clear, with a low around 61. South wind around 6 mph.

    Low: 61 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 85. Southwest wind 5 to 11 mph.

    High: 85 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 65. Southwest wind 6 to 8 mph, with gusts as high as 20 mph.

    Low: 65 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of showers and thunderstorms between 2pm and 5pm, then showers and possibly a thunderstorm after 5pm. High near 88. Southwest wind 6 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 88 °F

    Mostly Sunny
    then Showers

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Low around 55. Northwest wind 7 to 9 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 55 °F

    Showers then
    Slight Chance
    Showers

  • Thursday

    Thursday: Mostly sunny, with a high near 70.

    High: 70 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 47.

    Low: 47 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 67.

    High: 67 °F

    Partly Sunny

  • Friday Night

    Friday Night: A 50 percent chance of showers after 2am. Mostly cloudy, with a low around 47.

    Low: 47 °F

    Mostly Cloudy
    then Chance
    Showers

Detailed Forecast

Tonight
Mostly clear, with a low around 61. South wind around 6 mph.
Tuesday
Mostly sunny, with a high near 85. Southwest wind 5 to 11 mph.
Tuesday Night
Mostly cloudy, with a low around 65. Southwest wind 6 to 8 mph, with gusts as high as 20 mph.
Wednesday
A chance of showers and thunderstorms between 2pm and 5pm, then showers and possibly a thunderstorm after 5pm. High near 88. Southwest wind 6 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Low around 55. Northwest wind 7 to 9 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
Mostly sunny, with a high near 70.
Thursday Night
Partly cloudy, with a low around 47.
Friday
Partly sunny, with a high near 67.
Friday Night
A 50 percent chance of showers after 2am. Mostly cloudy, with a low around 47.
Saturday
Showers likely, mainly after 8am. Mostly cloudy, with a high near 61. Chance of precipitation is 70%.
Saturday Night
Showers likely. Mostly cloudy, with a low around 49. Chance of precipitation is 60%.
Sunday
A 50 percent chance of showers. Mostly cloudy, with a high near 64.
Sunday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 52.
Memorial Day
A 30 percent chance of showers. Mostly cloudy, with a high near 69.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles N Ledyard CT
 41.46°N 72°W (Elev. 210 ft)
Last Update:
7:44 pm EDT May 18, 2026
Forecast Valid:
11pm EDT May 18, 2026-6pm EDT May 25, 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