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.

Overcast and Breezy

45°F

7°C

Humidity 74%
Wind Speed NW 22 G 39 mph
Barometer 29.66 in (1004.3 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Wind Chill37°F (3°C)
Last update 12 Mar 10:56 am EDT
Extended Forecast for

New London CT

  • Today

    Today: Rain likely before 4pm, then rain and snow. Temperature falling to around 39 by 5pm. Northwest wind 14 to 17 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 48 °F⇓

    Rain/Snow

  • Tonight

    Tonight: Snow, mainly before 8pm. Low around 27. Northwest wind around 7 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

    Low: 27 °F

    Snow then
    Clear

  • Friday

    Friday: Increasing clouds, with a high near 43. Wind chill values between 25 and 35. Light and variable wind becoming south 5 to 10 mph in the morning. Winds could gust as high as 21 mph.

    High: 43 °F

    Increasing
    Clouds

  • Friday Night

    Friday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 35. South wind around 9 mph, with gusts as high as 23 mph.

    Low: 35 °F

    Decreasing
    Clouds

  • Saturday

    Saturday: Sunny, with a high near 48. West wind 10 to 14 mph, with gusts as high as 28 mph.

    High: 48 °F

    Sunny

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 29.

    Low: 29 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Mostly cloudy, with a high near 45.

    High: 45 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Rain likely, mainly after 2am. Cloudy, with a low around 37. Chance of precipitation is 70%.

    Low: 37 °F

    Chance Rain
    then Rain
    Likely

  • Monday

    Monday: Rain. High near 57. Chance of precipitation is 90%.

    High: 57 °F

    Rain

Detailed Forecast

Today
Rain likely before 4pm, then rain and snow. Temperature falling to around 39 by 5pm. Northwest wind 14 to 17 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Tonight
Snow, mainly before 8pm. Low around 27. Northwest wind around 7 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Friday
Increasing clouds, with a high near 43. Wind chill values between 25 and 35. Light and variable wind becoming south 5 to 10 mph in the morning. Winds could gust as high as 21 mph.
Friday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 35. South wind around 9 mph, with gusts as high as 23 mph.
Saturday
Sunny, with a high near 48. West wind 10 to 14 mph, with gusts as high as 28 mph.
Saturday Night
Increasing clouds, with a low around 29.
Sunday
Mostly cloudy, with a high near 45.
Sunday Night
Rain likely, mainly after 2am. Cloudy, with a low around 37. Chance of precipitation is 70%.
Monday
Rain. High near 57. Chance of precipitation is 90%.
Monday Night
Rain likely, mainly before 2am. Cloudy, with a low around 33. Chance of precipitation is 70%.
Tuesday
A 30 percent chance of rain. Mostly sunny, with a high near 42.
Tuesday Night
Mostly clear, with a low around 22.
Wednesday
Sunny, with a high near 38.
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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:
7:04 am EDT Mar 12, 2026
Forecast Valid:
11am EDT Mar 12, 2026-6pm EDT Mar 18, 2026
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation