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.

Light Rain Fog/Mist and Breezy

43°F

6°C

Humidity 93%
Wind Speed E 21 G 32 mph
Barometer 29.99 in (1015.4 mb)
Dewpoint 41°F (5°C)
Visibility 6.00 mi
Wind Chill34°F (1°C)
Last update 16 Mar 4:56 am EDT
Extended Forecast for

New London CT

Flood Watch until March 17, 08:00am
Wind Advisory March 16, 02:00pm until March 17, 04:00am
Click here for hazard details and duration
Flood Watch
Wind Advisory
  •  
    Flood Watch until March 17, 08:00am

    NOW until 8:00am Tue

    Flood Watch

  • Overnight

    Low: 43 °F

    Showers and
    Areas Fog

  • Monday

    Monday: Showers and possibly a thunderstorm. Areas of fog. High near 58. South wind 16 to 18 mph, with gusts as high as 33 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

    High: 58 °F

    Showers and
    Areas Fog
    then Showers
    Likely and
    Areas Fog

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm before 2am, then showers likely. Areas of fog before 2am. Low around 37. Breezy, with a south wind 16 to 21 mph, with gusts as high as 47 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 37 °F

    Showers and
    Areas Fog

  • Tuesday

    Tuesday: Mostly sunny, with a steady temperature around 40. West wind 11 to 14 mph, with gusts as high as 26 mph.

    High: 40 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 23. West wind around 7 mph, with gusts as high as 21 mph.

    Low: 23 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 38.

    High: 38 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 26.

    Low: 26 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 42.

    High: 42 °F

    Mostly Sunny

Detailed Forecast

Overnight
Showers and possibly a thunderstorm. Areas of fog. Steady temperature around 43. Southeast wind around 13 mph, with gusts as high as 29 mph. Chance of precipitation is 90%.
Monday
Showers and possibly a thunderstorm. Areas of fog. High near 58. South wind 16 to 18 mph, with gusts as high as 33 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Monday Night
Showers and possibly a thunderstorm before 2am, then showers likely. Areas of fog before 2am. Low around 37. Breezy, with a south wind 16 to 21 mph, with gusts as high as 47 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Tuesday
Mostly sunny, with a steady temperature around 40. West wind 11 to 14 mph, with gusts as high as 26 mph.
Tuesday Night
Mostly clear, with a low around 23. West wind around 7 mph, with gusts as high as 21 mph.
Wednesday
Mostly sunny, with a high near 38.
Wednesday Night
Mostly cloudy, with a low around 26.
Thursday
Mostly sunny, with a high near 42.
Thursday Night
Partly cloudy, with a low around 32.
Friday
Mostly sunny, with a high near 50.
Friday Night
Mostly cloudy, with a low around 31.
Saturday
A 40 percent chance of rain. Mostly cloudy, with a high near 46.
Saturday Night
A chance of rain and snow. Mostly cloudy, with a low around 31. Chance of precipitation is 30%.
Sunday
A chance of rain and snow. Partly sunny, with a high near 44. Chance of precipitation is 30%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
New London CT
 41.37°N 72.11°W (Elev. 125 ft)
Last Update:
2:29 am EDT Mar 16, 2026
Forecast Valid:
5am EDT Mar 16, 2026-6pm EDT Mar 22, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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