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.

Light Snow

35°F

2°C

Humidity 72%
Wind Speed SE 8 mph
Barometer 30.51 in (1033.1 mb)
Dewpoint 27°F (-3°C)
Visibility 7.00 mi
Wind Chill28°F (-2°C)
Last update 3 Mar 12:56 pm EST
Extended Forecast for

3 Miles SSW Niantic CT

  • This Afternoon

    This Afternoon: Rain and snow, possibly mixed with sleet, becoming all rain after 4pm. High near 35. East wind around 8 mph. Chance of precipitation is 100%. Total daytime snow and sleet accumulation of less than a half inch possible.

    High: 35 °F

    Wintry Mix

  • Tonight

    Tonight: Rain, mainly before 4am. Low around 35. East wind around 6 mph becoming west after midnight. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 35 °F

    Rain

  • Wednesday

    Wednesday: Mostly sunny, with a high near 47. Light and variable wind.

    High: 47 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 20 percent chance of rain after 4am. Increasing clouds, with a low around 31. Calm wind.

    Low: 31 °F

    Partly Cloudy
    then Slight
    Chance Rain

  • Thursday

    Thursday: A 50 percent chance of rain, mainly after 7am. Cloudy, with a high near 43. Calm wind becoming east around 6 mph in the afternoon.

    High: 43 °F

    Chance Rain

  • Thursday Night

    Thursday Night: Rain. Low around 36. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 36 °F

    Rain

  • Friday

    Friday: A 40 percent chance of rain before 1pm. Mostly cloudy, with a high near 45.

    High: 45 °F

    Chance Rain

  • Friday Night

    Friday Night: Cloudy, with a low around 35.

    Low: 35 °F

    Cloudy

  • Saturday

    Saturday: Cloudy, with a high near 49.

    High: 49 °F

    Cloudy

Detailed Forecast

This Afternoon
Rain and snow, possibly mixed with sleet, becoming all rain after 4pm. High near 35. East wind around 8 mph. Chance of precipitation is 100%. Total daytime snow and sleet accumulation of less than a half inch possible.
Tonight
Rain, mainly before 4am. Low around 35. East wind around 6 mph becoming west after midnight. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
Mostly sunny, with a high near 47. Light and variable wind.
Wednesday Night
A 20 percent chance of rain after 4am. Increasing clouds, with a low around 31. Calm wind.
Thursday
A 50 percent chance of rain, mainly after 7am. Cloudy, with a high near 43. Calm wind becoming east around 6 mph in the afternoon.
Thursday Night
Rain. Low around 36. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Friday
A 40 percent chance of rain before 1pm. Mostly cloudy, with a high near 45.
Friday Night
Cloudy, with a low around 35.
Saturday
Cloudy, with a high near 49.
Saturday Night
Showers likely, mainly before 1am. Mostly cloudy, with a low around 44. Chance of precipitation is 60%.
Sunday
Partly sunny, with a high near 55.
Sunday Night
Partly cloudy, with a low around 41.
Monday
Mostly sunny, with a high near 55.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSW Niantic CT
 41.29°N 72.21°W (Elev. 3 ft)
Last Update:
1:13 pm EST Mar 3, 2026
Forecast Valid:
1pm EST Mar 3, 2026-6pm EDT Mar 9, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation