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

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

Lat: 41.33°NLon: 72.05°WElev: 10ft.

Fair

76°F

24°C

Humidity 82%
Wind Speed W 6 mph
Barometer 29.98 in (1015.2 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index77°F (25°C)
Last update 28 Aug 6:56 pm EDT
Extended Forecast for

2 Miles SSE East Lyme CT

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms before 8pm. Mostly cloudy, then gradually becoming clear, with a low around 59. Calm wind becoming north around 6 mph after midnight.

    Low: 59 °F

    Chance
    Showers then
    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 78. North wind around 6 mph becoming calm in the afternoon.

    High: 78 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 60. Calm wind.

    Low: 60 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 81. Calm wind becoming southwest 5 to 9 mph in the morning.

    High: 81 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A chance of showers before 11pm, then a chance of showers and thunderstorms between 11pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 67. Southwest wind 3 to 6 mph. Chance of precipitation is 50%.

    Low: 67 °F

    Chance
    Showers

  • Monday

    Monday: Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 64.

    Low: 64 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 40 percent chance of showers after 8am. Mostly cloudy, with a high near 77.

    High: 77 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Showers likely, mainly after 2am. Mostly cloudy, with a low around 66. Chance of precipitation is 60%.

    Low: 66 °F

    Showers
    Likely

Detailed Forecast

Tonight
A 30 percent chance of showers and thunderstorms before 8pm. Mostly cloudy, then gradually becoming clear, with a low around 59. Calm wind becoming north around 6 mph after midnight.
Saturday
Sunny, with a high near 78. North wind around 6 mph becoming calm in the afternoon.
Saturday Night
Mostly clear, with a low around 60. Calm wind.
Sunday
Mostly sunny, with a high near 81. Calm wind becoming southwest 5 to 9 mph in the morning.
Sunday Night
A chance of showers before 11pm, then a chance of showers and thunderstorms between 11pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 67. Southwest wind 3 to 6 mph. Chance of precipitation is 50%.
Monday
Mostly sunny, with a high near 81.
Monday Night
Mostly cloudy, with a low around 64.
Tuesday
A 40 percent chance of showers after 8am. Mostly cloudy, with a high near 77.
Tuesday Night
Showers likely, mainly after 2am. Mostly cloudy, with a low around 66. Chance of precipitation is 60%.
Wednesday
Showers likely, mainly before 8am. Mostly cloudy, with a high near 80. Chance of precipitation is 60%.
Wednesday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 67.
Thursday
A 40 percent chance of showers. Partly sunny, with a high near 82.
Thursday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 64.
Friday
Mostly sunny, with a high near 79.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSE East Lyme CT
 41.36°N 72.23°W (Elev. 98 ft)
Last Update:
2:11 pm EDT Aug 28, 2026
Forecast Valid:
7pm EDT Aug 28, 2026-6pm EDT Sep 4, 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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation