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.

Mostly Cloudy

45°F

7°C

Humidity 90%
Wind Speed S 8 mph
Barometer 30.33 in (1027.0 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Wind Chill41°F (5°C)
Last update 13 Apr 12:56 am EDT
Extended Forecast for

New London CT

  • Overnight

    Overnight: A slight chance of showers before 2am, then a slight chance of showers after 4am. Mostly cloudy, with a low around 42. South wind around 6 mph. Chance of precipitation is 20%.

    Low: 42 °F

    Slight Chance
    Showers

  • Monday

    Monday: Mostly cloudy, with a high near 63. Southwest wind 10 to 14 mph, with gusts as high as 24 mph.

    High: 63 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 53. West wind 5 to 7 mph.

    Low: 53 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 71. Calm wind becoming southwest 5 to 8 mph in the afternoon.

    High: 71 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers before 2am. Partly cloudy, with a low around 52. Southwest wind 3 to 5 mph.

    Low: 52 °F

    Slight Chance
    Showers

  • Wednesday

    Wednesday: Mostly sunny, with a high near 76.

    High: 76 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 55.

    Low: 55 °F

    Chance
    Showers

  • Thursday

    Thursday: Partly sunny, with a high near 73.

    High: 73 °F

    Partly Sunny

  • Thursday Night

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

    Low: 53 °F

    Mostly Cloudy

Detailed Forecast

Overnight
A slight chance of showers before 2am, then a slight chance of showers after 4am. Mostly cloudy, with a low around 42. South wind around 6 mph. Chance of precipitation is 20%.
Monday
Mostly cloudy, with a high near 63. Southwest wind 10 to 14 mph, with gusts as high as 24 mph.
Monday Night
Partly cloudy, with a low around 53. West wind 5 to 7 mph.
Tuesday
Mostly sunny, with a high near 71. Calm wind becoming southwest 5 to 8 mph in the afternoon.
Tuesday Night
A 20 percent chance of showers before 2am. Partly cloudy, with a low around 52. Southwest wind 3 to 5 mph.
Wednesday
Mostly sunny, with a high near 76.
Wednesday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 55.
Thursday
Partly sunny, with a high near 73.
Thursday Night
Mostly cloudy, with a low around 53.
Friday
Mostly sunny, with a high near 73.
Friday Night
Partly cloudy, with a low around 52.
Saturday
Mostly sunny, with a high near 67.
Saturday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 49.
Sunday
Partly sunny, with a high near 66.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
New London CT
 41.37°N 72.11°W (Elev. 125 ft)
Last Update:
7:02 pm EDT Apr 12, 2026
Forecast Valid:
1am EDT Apr 13, 2026-6pm EDT Apr 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