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

52°F

11°C

Humidity 89%
Wind Speed SE 7 mph
Barometer 29.91 in (1012.8 mb)
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Wind Chill50°F (10°C)
Last update 13 May 10:56 pm EDT
Extended Forecast for

New London CT

  • Tonight

    Tonight: A 40 percent chance of showers after midnight. Cloudy, with a low around 53. South wind around 7 mph.

    Low: 53 °F

    Chance
    Showers

  • Thursday

    Thursday: Showers, with thunderstorms also possible after 11am. High near 63. Southeast wind around 8 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 63 °F

    Showers

  • Thursday Night

    Thursday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 51. Calm wind.

    Low: 51 °F

    Chance
    Showers

  • Friday

    Friday: A 50 percent chance of showers. Mostly cloudy, with a high near 65. Calm wind becoming north 5 to 7 mph in the afternoon.

    High: 65 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 50. Calm wind.

    Low: 50 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 75.

    High: 75 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 56.

    Low: 56 °F

    Partly Cloudy

Detailed Forecast

Tonight
A 40 percent chance of showers after midnight. Cloudy, with a low around 53. South wind around 7 mph.
Thursday
Showers, with thunderstorms also possible after 11am. High near 63. Southeast wind around 8 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 51. Calm wind.
Friday
A 50 percent chance of showers. Mostly cloudy, with a high near 65. Calm wind becoming north 5 to 7 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 50. Calm wind.
Saturday
Sunny, with a high near 75.
Saturday Night
Mostly clear, with a low around 56.
Sunday
Mostly sunny, with a high near 78.
Sunday Night
Partly cloudy, with a low around 56.
Monday
Sunny, with a high near 75.
Monday Night
Mostly clear, with a low around 54.
Tuesday
Mostly sunny, with a high near 77.
Tuesday Night
Partly cloudy, with a low around 59.
Wednesday
Mostly sunny, with a high near 78.
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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:
10:05 pm EDT May 13, 2026
Forecast Valid:
11pm EDT May 13, 2026-6pm EDT May 20, 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