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

69°F

21°C

Humidity 100%
Wind Speed NW 7 mph
Barometer 29.83 in (1009.9 mb)
Dewpoint 69°F (21°C)
Visibility 0.75 mi
Last update 14 Sep 2:56 am EDT
Extended Forecast for

New London CT

  • Overnight

    Overnight: Patchy fog. Otherwise, mostly cloudy, with a steady temperature around 67. West wind around 5 mph.

    Low: 67 °F

    Patchy Fog

  • Monday

    Monday: Partly sunny, then gradually becoming sunny, with a high near 76. North wind 10 to 13 mph, with gusts as high as 26 mph.

    High: 76 °F

    Becoming
    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 52. North wind around 7 mph.

    Low: 52 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 71. North wind 5 to 7 mph becoming south in the afternoon.

    High: 71 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 54. Calm wind.

    Low: 54 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 73.

    High: 73 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 61.

    Low: 61 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A 30 percent chance of showers after 2am. Partly cloudy, with a low around 64.

    Low: 64 °F

    Partly Cloudy
    then Chance
    Showers

Detailed Forecast

Overnight
Patchy fog. Otherwise, mostly cloudy, with a steady temperature around 67. West wind around 5 mph.
Monday
Partly sunny, then gradually becoming sunny, with a high near 76. North wind 10 to 13 mph, with gusts as high as 26 mph.
Monday Night
Clear, with a low around 52. North wind around 7 mph.
Tuesday
Sunny, with a high near 71. North wind 5 to 7 mph becoming south in the afternoon.
Tuesday Night
Mostly clear, with a low around 54. Calm wind.
Wednesday
Sunny, with a high near 73.
Wednesday Night
Partly cloudy, with a low around 61.
Thursday
Mostly sunny, with a high near 77.
Thursday Night
A 30 percent chance of showers after 2am. Partly cloudy, with a low around 64.
Friday
A 30 percent chance of showers before 8am. Mostly sunny, with a high near 79.
Friday Night
Partly cloudy, with a low around 58.
Saturday
Mostly sunny, with a high near 75.
Saturday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 58.
Sunday
A 30 percent chance of showers. Partly sunny, with a high near 73.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
New London CT
 41.35°N 72.11°W (Elev. 98 ft)
Last Update:
2:13 am EDT Sep 14, 2026
Forecast Valid:
3am EDT Sep 14, 2026-6pm EDT Sep 20, 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