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.

Fair

58°F

14°C

Humidity 29%
Wind Speed NA
Barometer 30.20 in (1022.6 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Last update 11 Apr 5:56 pm EDT
Extended Forecast for

New London CT

Frost Advisory April 12, 12:00am until April 12, 09:00am
Click here for hazard details and duration
Frost Advisory

  • Tonight

    Tonight: Areas of frost after 5am. Otherwise, clear, with a low around 36. Northwest wind 10 to 15 mph becoming light north after midnight.

    Low: 36 °F

    Clear then
    Areas Frost

  • Sunday

    Sunday: Areas of frost before 7am. Otherwise, increasing clouds, with a high near 53. North wind 5 to 10 mph becoming south in the afternoon. Winds could gust as high as 20 mph.

    High: 53 °F

    Areas Frost
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: A 30 percent chance of showers. Mostly cloudy, with a low around 41. South wind around 9 mph.

    Low: 41 °F

    Chance
    Showers

  • Monday

    Monday: A 20 percent chance of showers after 2pm. Mostly cloudy, with a high near 63. Southwest wind 10 to 14 mph, with gusts as high as 26 mph.

    High: 63 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Monday Night

    Monday Night: A 20 percent chance of showers before 2am. Mostly cloudy, then gradually becoming mostly clear, with a low around 53. West wind 5 to 9 mph, with gusts as high as 23 mph.

    Low: 53 °F

    Slight Chance
    Showers

  • Tuesday

    Tuesday: Mostly sunny, with a high near 72.

    High: 72 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 53.

    Low: 53 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 74.

    High: 74 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 55.

    Low: 55 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Areas of frost after 5am. Otherwise, clear, with a low around 36. Northwest wind 10 to 15 mph becoming light north after midnight.
Sunday
Areas of frost before 7am. Otherwise, increasing clouds, with a high near 53. North wind 5 to 10 mph becoming south in the afternoon. Winds could gust as high as 20 mph.
Sunday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 41. South wind around 9 mph.
Monday
A 20 percent chance of showers after 2pm. Mostly cloudy, with a high near 63. Southwest wind 10 to 14 mph, with gusts as high as 26 mph.
Monday Night
A 20 percent chance of showers before 2am. Mostly cloudy, then gradually becoming mostly clear, with a low around 53. West wind 5 to 9 mph, with gusts as high as 23 mph.
Tuesday
Mostly sunny, with a high near 72.
Tuesday Night
Mostly cloudy, with a low around 53.
Wednesday
Mostly sunny, with a high near 74.
Wednesday Night
Mostly cloudy, with a low around 55.
Thursday
Partly sunny, with a high near 74.
Thursday Night
Mostly cloudy, with a low around 53.
Friday
A 30 percent chance of showers. Partly sunny, with a high near 69.
Friday Night
Mostly cloudy, with a low around 48.
Saturday
Partly sunny, with a high near 64.
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:
2:27 pm EDT Apr 11, 2026
Forecast Valid:
6pm EDT Apr 11, 2026-6pm EDT Apr 18, 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