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.

Partly Cloudy

70°F

21°C

Humidity 66%
Wind Speed NW 9 mph
Barometer 29.74 in (1007.0 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 12 Oct 4:56 pm EDT
Extended Forecast for

New London CT

  • Tonight

    Tonight: Patchy fog after 8pm. Otherwise, partly cloudy, with a low around 53. Northwest wind around 5 mph becoming calm in the evening.

    Low: 53 °F

    Patchy Fog

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 67. East wind 6 to 9 mph becoming south in the afternoon.

    High: 67 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers before 11pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 62. South wind 5 to 9 mph, with gusts as high as 21 mph.

    Low: 62 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 78. West wind 8 to 10 mph.

    High: 78 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 52. Northwest wind 3 to 5 mph.

    Low: 52 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 65.

    High: 65 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 47.

    Low: 47 °F

    Partly Cloudy

  • Friday

    Friday: Showers after 8am. High near 67. Chance of precipitation is 90%.

    High: 67 °F

    Showers

  • Friday Night

    Friday Night: A 40 percent chance of showers before 2am. Mostly cloudy, with a low around 44.

    Low: 44 °F

    Chance
    Showers

Detailed Forecast

Tonight
Patchy fog after 8pm. Otherwise, partly cloudy, with a low around 53. Northwest wind around 5 mph becoming calm in the evening.
Tuesday
Mostly cloudy, with a high near 67. East wind 6 to 9 mph becoming south in the afternoon.
Tuesday Night
A 20 percent chance of showers before 11pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 62. South wind 5 to 9 mph, with gusts as high as 21 mph.
Wednesday
Mostly sunny, with a high near 78. West wind 8 to 10 mph.
Wednesday Night
Partly cloudy, with a low around 52. Northwest wind 3 to 5 mph.
Thursday
Sunny, with a high near 65.
Thursday Night
Partly cloudy, with a low around 47.
Friday
Showers after 8am. High near 67. Chance of precipitation is 90%.
Friday Night
A 40 percent chance of showers before 2am. Mostly cloudy, with a low around 44.
Saturday
Mostly sunny, with a high near 54. Breezy.
Saturday Night
Mostly clear, with a low around 36.
Sunday
Sunny, with a high near 55.
Sunday Night
Mostly clear, with a low around 41.
Monday
Sunny, with a high near 61.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
New London CT
 41.35°N 72.11°W (Elev. 98 ft)
Last Update:
2:47 pm EDT Oct 12, 2026
Forecast Valid:
5pm EDT Oct 12, 2026-6pm EDT Oct 19, 2026
 
Forecast Discussion
 
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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