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.

Fog/Mist

53°F

12°C

Humidity 100%
Wind Speed Calm
Barometer 29.64 in (1003.6 mb)
Dewpoint 53°F (12°C)
Visibility 0.75 mi
Last update 9 May 3:56 am EDT
Extended Forecast for

3 Miles SSE South Lyme CT

  • Today

    Today: A 20 percent chance of showers after 2pm. Partly sunny, with a high near 67. Northwest wind 6 to 8 mph becoming southwest in the afternoon.

    High: 67 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Tonight

    Tonight: A chance of showers before 2am, then a chance of rain after 2am. Cloudy, with a low around 47. East wind around 10 mph. Chance of precipitation is 50%.

    Low: 47 °F

    Chance
    Showers

  • Friday

    Friday: A 50 percent chance of rain. Cloudy, with a high near 58. East wind around 11 mph.

    High: 58 °F

    Chance Rain

  • Friday Night

    Friday Night: A 30 percent chance of showers, mainly before 2am. Mostly cloudy, with a low around 44. Northeast wind 6 to 8 mph.

    Low: 44 °F

    Chance
    Showers

  • Saturday

    Saturday: Mostly sunny, with a high near 59. Northeast wind 8 to 10 mph becoming southeast in the afternoon.

    High: 59 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 45.

    Low: 45 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 30 percent chance of showers after 8am. Mostly cloudy, with a high near 57.

    High: 57 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 46.

    Low: 46 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 63.

    High: 63 °F

    Mostly Sunny

Detailed Forecast

Today
A 20 percent chance of showers after 2pm. Partly sunny, with a high near 67. Northwest wind 6 to 8 mph becoming southwest in the afternoon.
Tonight
A chance of showers before 2am, then a chance of rain after 2am. Cloudy, with a low around 47. East wind around 10 mph. Chance of precipitation is 50%.
Friday
A 50 percent chance of rain. Cloudy, with a high near 58. East wind around 11 mph.
Friday Night
A 30 percent chance of showers, mainly before 2am. Mostly cloudy, with a low around 44. Northeast wind 6 to 8 mph.
Saturday
Mostly sunny, with a high near 59. Northeast wind 8 to 10 mph becoming southeast in the afternoon.
Saturday Night
Mostly cloudy, with a low around 45.
Sunday
A 30 percent chance of showers after 8am. Mostly cloudy, with a high near 57.
Sunday Night
Mostly cloudy, with a low around 46.
Monday
Mostly sunny, with a high near 63.
Monday Night
Partly cloudy, with a low around 51.
Tuesday
Mostly sunny, with a high near 67.
Tuesday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 53.
Wednesday
A 40 percent chance of showers. Mostly cloudy, with a high near 64.
Click Map For Forecast
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Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSE South Lyme CT
 41.3°N 72.27°W (Elev. 75 ft)
Last Update:
3:42 am EDT May 9, 2024
Forecast Valid:
4am EDT May 9, 2024-6pm EDT May 15, 2024
 
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