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.

Light Rain Fog

33°F

1°C

Humidity 96%
Wind Speed S 3 mph
Barometer 29.87 in (1011.4 mb)
Dewpoint 32°F (0°C)
Visibility 0.50 mi
Last update 18 Feb 11:56 am EST
Extended Forecast for

New London CT

  • This Afternoon

    This Afternoon: Rain. Areas of fog. High near 40. Light and variable wind. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 40 °F

    Rain and
    Areas Fog

  • Tonight

    Tonight: Rain and snow, mainly before 1am. Areas of fog before 4am. Low around 28. North wind 3 to 5 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    Low: 28 °F

    Rain/Snow and
    Areas Fog
    then Chance
    Rain/Snow and
    Areas Fog

  • Thursday

    Thursday: Partly sunny, with a high near 39. Wind chill values between 25 and 35. North wind around 5 mph becoming light and variable in the afternoon.

    High: 39 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A 30 percent chance of snow, mainly after 1am. Mostly cloudy, with a low around 28. Light east wind.

    Low: 28 °F

    Chance Snow

  • Friday

    Friday: Rain, possibly mixed with snow, becoming all rain after 4pm. High near 38. East wind 5 to 9 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

    High: 38 °F

    Rain/Snow

  • Friday Night

    Friday Night: Rain likely before 4am, then a chance of snow. Mostly cloudy, with a low around 31. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 31 °F

    Rain Likely
    then
    Rain/Snow
    Likely

  • Saturday

    Saturday: A 30 percent chance of snow before 7am. Partly sunny, with a high near 41.

    High: 41 °F

    Chance Snow
    then Partly
    Sunny

  • Saturday Night

    Saturday Night: A chance of rain and snow before 1am. Mostly cloudy, with a low around 25. Chance of precipitation is 30%.

    Low: 25 °F

    Chance
    Rain/Snow

  • Sunday

    Sunday: A 40 percent chance of snow. Mostly cloudy, with a high near 37.

    High: 37 °F

    Chance Snow

Detailed Forecast

This Afternoon
Rain. Areas of fog. High near 40. Light and variable wind. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
Rain and snow, mainly before 1am. Areas of fog before 4am. Low around 28. North wind 3 to 5 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Thursday
Partly sunny, with a high near 39. Wind chill values between 25 and 35. North wind around 5 mph becoming light and variable in the afternoon.
Thursday Night
A 30 percent chance of snow, mainly after 1am. Mostly cloudy, with a low around 28. Light east wind.
Friday
Rain, possibly mixed with snow, becoming all rain after 4pm. High near 38. East wind 5 to 9 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Friday Night
Rain likely before 4am, then a chance of snow. Mostly cloudy, with a low around 31. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Saturday
A 30 percent chance of snow before 7am. Partly sunny, with a high near 41.
Saturday Night
A chance of rain and snow before 1am. Mostly cloudy, with a low around 25. Chance of precipitation is 30%.
Sunday
A 40 percent chance of snow. Mostly cloudy, with a high near 37.
Sunday Night
Snow likely, mainly before 1am. Cloudy, with a low around 27. Chance of precipitation is 60%.
Monday
A 40 percent chance of snow. Mostly cloudy, with a high near 37.
Monday Night
Partly cloudy, with a low around 20.
Tuesday
Sunny, with a high near 31.
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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:
8:57 am EST Feb 18, 2026
Forecast Valid:
12pm EST Feb 18, 2026-6pm EST Feb 24, 2026
 
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Additional Resources

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Chance of Precipitation