Current conditions at

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

Lat: 41.33°NLon: 72.05°WElev: 10ft.

A Few Clouds

70°F

21°C

Humidity 73%
Wind Speed W 5 mph
Barometer 30.00 in (1015.8 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 1 Jul 2:56 am EDT
Extended Forecast for

3 Miles NE Ledyard CT

Extreme Heat Watch July 3, 09:00pm until July 4, 09:00pm
Extreme Heat Warning July 1, 12:00pm until July 3, 09:00pm
Click here for hazard details and duration
Extreme Heat Watch
Extreme Heat Warning
  • Overnight

    Overnight: A 40 percent chance of showers and thunderstorms, mainly before 5am.  Partly cloudy, with a steady temperature around 71. Southwest wind around 7 mph.

    Low: 71 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Sunny, with a high near 88. Heat index values as high as 95. Southwest wind 8 to 11 mph, with gusts as high as 21 mph.

    High: 88 °F

    Sunny

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms.  Partly cloudy, with a low around 69. Southwest wind 5 to 9 mph, with gusts as high as 20 mph.

    Low: 69 °F

    Slight Chance
    T-storms

  • Thursday

    Thursday: Sunny, with a high near 96. Heat index values as high as 107. Southwest wind 6 to 10 mph.

    High: 96 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 74. Southwest wind 5 to 7 mph becoming calm  in the evening.

    Low: 74 °F

    Clear

  • Friday

    Friday: Sunny and hot, with a high near 102.

    High: 102 °F

    Hot

  • Friday Night

    Friday Night: Mostly clear, with a low around 74.

    Low: 74 °F

    Mostly Clear

  • Independence Day

    Independence Day: A 30 percent chance of showers after 2pm.  Mostly sunny, with a high near 96.

    High: 96 °F

    Sunny then
    Chance
    Showers

  • Saturday Night

    Saturday Night: A 30 percent chance of showers before 2am.  Partly cloudy, with a low around 71.

    Low: 71 °F

    Chance
    Showers

Detailed Forecast

Overnight
A 40 percent chance of showers and thunderstorms, mainly before 5am. Partly cloudy, with a steady temperature around 71. Southwest wind around 7 mph.
Wednesday
Sunny, with a high near 88. Heat index values as high as 95. Southwest wind 8 to 11 mph, with gusts as high as 21 mph.
Wednesday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 69. Southwest wind 5 to 9 mph, with gusts as high as 20 mph.
Thursday
Sunny, with a high near 96. Heat index values as high as 107. Southwest wind 6 to 10 mph.
Thursday Night
Clear, with a low around 74. Southwest wind 5 to 7 mph becoming calm in the evening.
Friday
Sunny and hot, with a high near 102.
Friday Night
Mostly clear, with a low around 74.
Independence Day
A 30 percent chance of showers after 2pm. Mostly sunny, with a high near 96.
Saturday Night
A 30 percent chance of showers before 2am. Partly cloudy, with a low around 71.
Sunday
A 40 percent chance of showers after 2pm. Partly sunny, with a high near 90.
Sunday Night
Showers likely. Mostly cloudy, with a low around 66. Chance of precipitation is 60%.
Monday
Showers likely. Mostly cloudy, with a high near 83. Chance of precipitation is 60%.
Monday Night
Showers likely. Mostly cloudy, with a low around 64. Chance of precipitation is 60%.
Tuesday
Mostly sunny, with a high near 84.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NE Ledyard CT
 41.48°N 71.96°W (Elev. 187 ft)
2:37 am EDT Jul 1, 2026
3am EDT Jul 1, 2026-6pm EDT Jul 7, 2026
 
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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