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

59°F

15°C

Humidity 62%
Wind Speed SW 10 mph
Barometer 30.31 in (1026.5 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 2 Nov 4:56 pm EST
Extended Forecast for

New London CT

  • Tonight

    Tonight: Mostly clear, with a low around 48. Southwest wind 3 to 7 mph.

    Low: 48 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 68. Southwest wind 5 to 10 mph.

    High: 68 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 51. Light southwest wind.

    Low: 51 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 70. Light southwest wind increasing to 5 to 10 mph in the morning.

    High: 70 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 55. Light southwest wind.

    Low: 55 °F

    Partly Cloudy

  • Thursday

    Thursday: A 30 percent chance of showers after 1pm. Mostly cloudy, with a high near 71.

    High: 71 °F

    Mostly Cloudy
    then Chance
    Showers

  • Thursday Night

    Thursday Night: Rain likely and possibly a thunderstorm. Mostly cloudy, with a low around 58. Chance of precipitation is 70%.

    Low: 58 °F

    Rain Likely

  • Friday

    Friday: Rain likely, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 70. Chance of precipitation is 70%.

    High: 70 °F

    Rain Likely

  • Friday Night

    Friday Night: Rain likely and possibly a thunderstorm. Mostly cloudy, with a low around 54. Chance of precipitation is 60%.

    Low: 54 °F

    Rain Likely

Detailed Forecast

Tonight
Mostly clear, with a low around 48. Southwest wind 3 to 7 mph.
Tuesday
Mostly sunny, with a high near 68. Southwest wind 5 to 10 mph.
Tuesday Night
Partly cloudy, with a low around 51. Light southwest wind.
Wednesday
Sunny, with a high near 70. Light southwest wind increasing to 5 to 10 mph in the morning.
Wednesday Night
Partly cloudy, with a low around 55. Light southwest wind.
Thursday
A 30 percent chance of showers after 1pm. Mostly cloudy, with a high near 71.
Thursday Night
Rain likely and possibly a thunderstorm. Mostly cloudy, with a low around 58. Chance of precipitation is 70%.
Friday
Rain likely, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 70. Chance of precipitation is 70%.
Friday Night
Rain likely and possibly a thunderstorm. Mostly cloudy, with a low around 54. Chance of precipitation is 60%.
Saturday
A 50 percent chance of rain. Mostly cloudy, with a high near 68.
Saturday Night
Partly cloudy, with a low around 45.
Sunday
Mostly sunny, with a high near 63.
Sunday Night
Partly cloudy, with a low around 41.
Monday
A 30 percent chance of rain. Partly sunny, with a high near 61.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
New London CT
 41.35°N 72.11°W (Elev. 98 ft)
Last Update:
3:41 pm EST Nov 2, 2026
Forecast Valid:
5pm EST Nov 2, 2026-6pm EST Nov 9, 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