National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Groton / New London, Groton / New London Airport (KGON)

Lat: 41.33°NLon: 72.05°WElev: 10ft.

Fog

44°F

7°C

Humidity 96%
Wind Speed S 5 mph
Barometer 29.52 in (999.7 mb)
Dewpoint 43°F (6°C)
Visibility 0.25 mi
Wind Chill41°F (5°C)
Last update 12 Mar 6:56 am EDT
Extended Forecast for

New London CT

  • Today

    Today: Rain likely before 4pm, then rain and snow. Patchy fog before 9am. Temperature falling to around 39 by 5pm. Light and variable wind becoming northwest 12 to 17 mph in the morning. Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 48 °F⇓

    Rain Likely
    and Patchy
    Fog then
    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. Patchy fog before 9am. Temperature falling to around 39 by 5pm. Light and variable wind becoming northwest 12 to 17 mph in the morning. 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.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
New London CT
 41.37°N 72.11°W (Elev. 125 ft)
Last Update:
6:59 am EDT Mar 12, 2026
Forecast Valid:
7am EDT Mar 12, 2026-6pm EDT Mar 18, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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