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.

Fog

50°F

10°C

Humidity 96%
Wind Speed S 14 mph
Barometer 29.73 in (1006.7 mb)
Dewpoint 49°F (9°C)
Visibility 0.25 mi
Wind Chill45°F (7°C)
Last update 16 Mar 1:56 pm EDT
Extended Forecast for

Conning Towers-Nautilus Park CT

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

    NOW: Multiple hazards in effect

    Click HERE for Details

  • This Afternoon

    High: 58 °F

    Showers
    Likely and
    Areas Fog

  • Tonight

    Tonight: Showers and possibly a thunderstorm before 2am, then showers likely. Areas of fog before 2am. Low around 36. Breezy, with a south wind 17 to 21 mph, with gusts as high as 48 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 36 °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 25 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 20 mph.

    Low: 23 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 38. Northwest wind 3 to 5 mph.

    High: 38 °F

    Mostly Sunny

  • Wednesday Night

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

    Low: 26 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 43.

    High: 43 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 31.

    Low: 31 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
Showers likely and possibly a thunderstorm. Areas of fog. Otherwise, cloudy, with a high near 58. South wind around 17 mph, with gusts as high as 34 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
Showers and possibly a thunderstorm before 2am, then showers likely. Areas of fog before 2am. Low around 36. Breezy, with a south wind 17 to 21 mph, with gusts as high as 48 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 25 mph.
Tuesday Night
Mostly clear, with a low around 23. West wind around 7 mph, with gusts as high as 20 mph.
Wednesday
Mostly sunny, with a high near 38. Northwest wind 3 to 5 mph.
Wednesday Night
Partly cloudy, with a low around 26.
Thursday
Mostly sunny, with a high near 43.
Thursday Night
Mostly cloudy, with a low around 31.
Friday
Partly sunny, with a high near 50.
Friday Night
A 30 percent chance of rain after 2am. Mostly cloudy, with a low around 34.
Saturday
A 40 percent chance of rain. Partly sunny, with a high near 48.
Saturday Night
A chance of rain and snow. Mostly cloudy, with a low around 31. Chance of precipitation is 30%.
Sunday
A 30 percent chance of snow. Mostly cloudy, with a high near 45.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Conning Towers-Nautilus Park CT
 41.39°N 72.1°W (Elev. 105 ft)
Last Update:
1:51 pm EDT Mar 16, 2026
Forecast Valid:
2pm 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