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Hazardous Weather Conditions

Current conditions at

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

Lat: 41.33°NLon: 72.05°WElev: 10ft.

Overcast

45°F

7°C

Humidity 86%
Wind Speed W 20 G 30 mph
Barometer 29.44 in (996.7 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Wind Chill37°F (3°C)
Last update 17 Mar 3:56 am EDT
Extended Forecast for

3 Miles SE South Lyme CT

Wind Advisory March 17, 04:55am until March 17, 08:00am
Click here for hazard details and duration
Wind Advisory
  •  
    Wind Advisory March 17, 04:55am until March 17, 08:00am

    NOW until 8:00am Tue

    Wind Advisory

  • Overnight

    Low: 37 °F

    Showers and
    Breezy

  • Tuesday

    Tuesday: A chance of flurries after 5pm. Mostly sunny, with a temperature falling to around 37 by 9am. Breezy, with a west wind 17 to 21 mph.

    High: 41 °F⇓

    Chance
    Flurries and
    Breezy

  • Tuesday Night

    Tuesday Night: A chance of flurries before 11pm. Partly cloudy, with a low around 26. Wind chill values between 15 and 20. West wind 13 to 15 mph.

    Low: 26 °F

    Chance
    Flurries

  • Wednesday

    Wednesday: Mostly sunny, with a high near 36. Wind chill values between 15 and 25. Northwest wind 5 to 8 mph becoming southwest in the afternoon.

    High: 36 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 29. South wind 3 to 7 mph.

    Low: 29 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 41.

    High: 41 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 34.

    Low: 34 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 47.

    High: 47 °F

    Mostly Sunny

Detailed Forecast

Overnight
Showers before 5am. Low around 37. Breezy, with a southwest wind 20 to 22 mph, with gusts as high as 41 mph. Chance of precipitation is 80%.
Tuesday
A chance of flurries after 5pm. Mostly sunny, with a temperature falling to around 37 by 9am. Breezy, with a west wind 17 to 21 mph.
Tuesday Night
A chance of flurries before 11pm. Partly cloudy, with a low around 26. Wind chill values between 15 and 20. West wind 13 to 15 mph.
Wednesday
Mostly sunny, with a high near 36. Wind chill values between 15 and 25. Northwest wind 5 to 8 mph becoming southwest in the afternoon.
Wednesday Night
Partly cloudy, with a low around 29. South wind 3 to 7 mph.
Thursday
Mostly sunny, with a high near 41.
Thursday Night
Partly cloudy, with a low around 34.
Friday
Mostly sunny, with a high near 47.
Friday Night
A 30 percent chance of rain after 2am. Mostly cloudy, with a low around 37.
Saturday
A 30 percent chance of rain before 2pm. Partly sunny, with a high near 48.
Saturday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 35.
Sunday
A 30 percent chance of rain. Mostly cloudy, with a high near 46.
Sunday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 32.
Monday
Partly sunny, with a high near 43.
Basemap Options
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SE South Lyme CT
 41.3°N 72.24°W (Elev. 0 ft)
Last Update:
4:00 am EDT Mar 17, 2026
Forecast Valid:
4am EDT Mar 17, 2026-6pm EDT Mar 23, 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