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

59°F

15°C

Humidity 96%
Wind Speed Calm
Barometer 30.11 in (1019.5 mb)
Dewpoint 58°F (14°C)
Visibility 7.00 mi
Last update 19 May 1:56 am EDT
Extended Forecast for

Ledyard CT

  • Overnight

    Overnight: Mostly clear, with a low around 63. Southwest wind around 5 mph.

    Low: 63 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 87. Southwest wind 6 to 11 mph, with gusts as high as 21 mph.

    High: 87 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 68. Southwest wind 6 to 8 mph.

    Low: 68 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm after 2pm. High near 88. Southwest wind 7 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 80%.

    High: 88 °F

    Sunny then
    Showers

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm before 8pm, then a slight chance of showers. Low around 58. Northwest wind 5 to 7 mph. Chance of precipitation is 80%.

    Low: 58 °F

    Showers then
    Slight Chance
    Showers

  • Thursday

    Thursday: Partly sunny, with a high near 71.

    High: 71 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 48.

    Low: 48 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 67.

    High: 67 °F

    Partly Sunny

  • Friday Night

    Friday Night: A 40 percent chance of showers after 2am. Mostly cloudy, with a low around 48.

    Low: 48 °F

    Mostly Cloudy
    then Chance
    Showers

Detailed Forecast

Overnight
Mostly clear, with a low around 63. Southwest wind around 5 mph.
Tuesday
Sunny, with a high near 87. Southwest wind 6 to 11 mph, with gusts as high as 21 mph.
Tuesday Night
Partly cloudy, with a low around 68. Southwest wind 6 to 8 mph.
Wednesday
Showers and possibly a thunderstorm after 2pm. High near 88. Southwest wind 7 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 80%.
Wednesday Night
Showers and possibly a thunderstorm before 8pm, then a slight chance of showers. Low around 58. Northwest wind 5 to 7 mph. Chance of precipitation is 80%.
Thursday
Partly sunny, with a high near 71.
Thursday Night
Partly cloudy, with a low around 48.
Friday
Partly sunny, with a high near 67.
Friday Night
A 40 percent chance of showers after 2am. Mostly cloudy, with a low around 48.
Saturday
Showers, mainly after 8am. High near 60. Chance of precipitation is 80%.
Saturday Night
Showers likely. Mostly cloudy, with a low around 49. Chance of precipitation is 70%.
Sunday
A 50 percent chance of showers. Mostly cloudy, with a high near 65.
Sunday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 51.
Memorial Day
Mostly cloudy, with a high near 70.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Ledyard CT
 41.45°N 72.03°W (Elev. 184 ft)
Last Update:
2:21 am EDT May 19, 2026
Forecast Valid:
2am EDT May 19, 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