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.

A Few Clouds

61°F

16°C

Humidity 100%
Wind Speed SW 5 mph
Barometer 30.21 in (1023.0 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 7 Oct 1:56 am EDT
Extended Forecast for

New London CT

  • Overnight

    Overnight: Clear, with a low around 57. Southwest wind around 6 mph.

    Low: 57 °F

    Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 77. Southwest wind 6 to 14 mph.

    High: 77 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers, mainly after 4am. Mostly cloudy, with a low around 60. Southwest wind around 10 mph, with gusts as high as 23 mph.

    Low: 60 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Showers, mainly before 2pm. High near 70. Southwest wind 10 to 13 mph becoming northwest in the afternoon. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 70 °F

    Showers then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Mostly cloudy, then gradually becoming clear, with a low around 43. North wind around 9 mph, with gusts as high as 21 mph.

    Low: 43 °F

    Decreasing
    Clouds

  • Thursday

    Thursday: Sunny, with a high near 60.

    High: 60 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 38.

    Low: 38 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 62.

    High: 62 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 45.

    Low: 45 °F

    Mostly Clear

Detailed Forecast

Overnight
Clear, with a low around 57. Southwest wind around 6 mph.
Tuesday
Mostly sunny, with a high near 77. Southwest wind 6 to 14 mph.
Tuesday Night
A 30 percent chance of showers, mainly after 4am. Mostly cloudy, with a low around 60. Southwest wind around 10 mph, with gusts as high as 23 mph.
Wednesday
Showers, mainly before 2pm. High near 70. Southwest wind 10 to 13 mph becoming northwest in the afternoon. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Wednesday Night
Mostly cloudy, then gradually becoming clear, with a low around 43. North wind around 9 mph, with gusts as high as 21 mph.
Thursday
Sunny, with a high near 60.
Thursday Night
Clear, with a low around 38.
Friday
Sunny, with a high near 62.
Friday Night
Mostly clear, with a low around 45.
Saturday
Mostly sunny, with a high near 67.
Saturday Night
Mostly cloudy, with a low around 48.
Sunday
Partly sunny, with a high near 66.
Sunday Night
A 30 percent chance of showers. Partly cloudy, with a low around 49.
Columbus Day
A 30 percent chance of showers. Mostly sunny, with a high near 66.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
New London CT
 41.37°N 72.11°W (Elev. 125 ft)
Last Update:
2:09 am EDT Oct 7, 2025
Forecast Valid:
3am EDT Oct 7, 2025-6pm EDT Oct 13, 2025
 
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