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.

Fair

68°F

20°C

Humidity 70%
Wind Speed SW 7 mph
Barometer 29.90 in (1012.4 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 15 Apr 12:56 pm EDT
Extended Forecast for

New London CT

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 73. South wind around 8 mph.

    High: 73 °F

    Mostly Sunny

  • Tonight

    Tonight: A chance of showers and thunderstorms. Mostly cloudy, with a low around 52. Light and variable wind. Chance of precipitation is 50%.

    Low: 52 °F

    Chance
    T-storms

  • Thursday

    Thursday: Partly sunny, with a high near 72. Calm wind becoming south 5 to 8 mph in the morning.

    High: 72 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of showers after 2am. Mostly cloudy, with a low around 52. South wind around 5 mph becoming calm in the evening.

    Low: 52 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Friday

    Friday: A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 72. Calm wind becoming southwest 5 to 7 mph in the afternoon. Chance of precipitation is 50%.

    High: 72 °F

    Slight Chance
    Showers then
    Chance
    Showers

  • Friday Night

    Friday Night: A 30 percent chance of showers before 8pm. Mostly cloudy, with a low around 50.

    Low: 50 °F

    Chance
    Showers then
    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 62.

    High: 62 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 46.

    Low: 46 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 50 percent chance of showers after 8am. Mostly cloudy, with a high near 59.

    High: 59 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 73. South wind around 8 mph.
Tonight
A chance of showers and thunderstorms. Mostly cloudy, with a low around 52. Light and variable wind. Chance of precipitation is 50%.
Thursday
Partly sunny, with a high near 72. Calm wind becoming south 5 to 8 mph in the morning.
Thursday Night
A 20 percent chance of showers after 2am. Mostly cloudy, with a low around 52. South wind around 5 mph becoming calm in the evening.
Friday
A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 72. Calm wind becoming southwest 5 to 7 mph in the afternoon. Chance of precipitation is 50%.
Friday Night
A 30 percent chance of showers before 8pm. Mostly cloudy, with a low around 50.
Saturday
Partly sunny, with a high near 62.
Saturday Night
Mostly cloudy, with a low around 46.
Sunday
A 50 percent chance of showers after 8am. Mostly cloudy, with a high near 59.
Sunday Night
A chance of rain showers before 5am, then a chance of rain and snow showers. Mostly cloudy, with a low around 38. Chance of precipitation is 50%.
Monday
A 30 percent chance of snow showers. Mostly sunny, with a high near 50.
Monday Night
Mostly clear, with a low around 32.
Tuesday
Sunny, with a high near 53.
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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:
5:23 am EDT Apr 15, 2026
Forecast Valid:
1pm EDT Apr 15, 2026-6pm EDT Apr 21, 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