Current conditions at

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

Lat: 41.33°NLon: 72.05°WElev: 10ft.

Fair

57°F

14°C

Humidity 51%
Wind Speed NE 13 mph
Barometer 30.30 in (1025.8 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 24 Sep 6:56 pm EDT
Extended Forecast for

Groton / New London Airport CT

Wind Advisory September 25, 02:00pm until September 27, 06:00am
Click here for hazard details and duration
Wind Advisory
  • Tonight

    Tonight: Mostly cloudy, with a low around 50. North wind 13 to 15 mph, with gusts as high as 28 mph.

    Low: 50 °F

    Mostly Cloudy

  • Friday

    Friday: A 50 percent chance of rain, mainly after 2pm.  Mostly cloudy, with a high near 64. Breezy, with a northeast wind 20 to 24 mph, with gusts as high as 46 mph.

    High: 64 °F

    Breezy.
    Slight Chance
    Rain then
    Chance Rain

  • Friday Night

    Friday Night: Rain likely.  Cloudy, with a low around 52. Breezy, with a north wind around 25 mph, with gusts as high as 49 mph.  Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 52 °F

    Rain Likely
    and Breezy

  • Saturday

    Saturday: Rain.  High near 63. Windy, with a north wind around 26 mph, with gusts as high as 49 mph.  Chance of precipitation is 80%. New precipitation amounts between three quarters and one inch possible.

    High: 63 °F

    Rain and
    Windy

  • Saturday Night

    Saturday Night: Rain.  Low around 54. Breezy, with a north wind 21 to 23 mph, with gusts as high as 41 mph.  Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 54 °F

    Rain and
    Breezy

  • Sunday

    Sunday: Rain.  High near 64. Breezy.  Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 64 °F

    Rain and
    Breezy

  • Sunday Night

    Sunday Night: Rain before 8pm, then showers, mainly after 8pm.  Low around 56. Chance of precipitation is 80%.

    Low: 56 °F

    Rain

  • Monday

    Monday: Showers likely, mainly before 8am.  Mostly cloudy, with a high near 65. Chance of precipitation is 60%.

    High: 65 °F

    Showers
    Likely

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 54.

    Low: 54 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 50. North wind 13 to 15 mph, with gusts as high as 28 mph.
Friday
A 50 percent chance of rain, mainly after 2pm. Mostly cloudy, with a high near 64. Breezy, with a northeast wind 20 to 24 mph, with gusts as high as 46 mph.
Friday Night
Rain likely. Cloudy, with a low around 52. Breezy, with a north wind around 25 mph, with gusts as high as 49 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Saturday
Rain. High near 63. Windy, with a north wind around 26 mph, with gusts as high as 49 mph. Chance of precipitation is 80%. New precipitation amounts between three quarters and one inch possible.
Saturday Night
Rain. Low around 54. Breezy, with a north wind 21 to 23 mph, with gusts as high as 41 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Sunday
Rain. High near 64. Breezy. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Sunday Night
Rain before 8pm, then showers, mainly after 8pm. Low around 56. Chance of precipitation is 80%.
Monday
Showers likely, mainly before 8am. Mostly cloudy, with a high near 65. Chance of precipitation is 60%.
Monday Night
Mostly cloudy, with a low around 54.
Tuesday
Partly sunny, with a high near 68.
Tuesday Night
Partly cloudy, with a low around 54.
Wednesday
Mostly sunny, with a high near 69.
Wednesday Night
Partly cloudy, with a low around 57.
Thursday
Partly sunny, with a high near 71.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Groton / New London Airport CT
 41.34°N 72.05°W (Elev. 49 ft)
4:47 pm EDT Sep 24, 2026
7pm EDT Sep 24, 2026-6pm EDT Oct 1, 2026
 
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