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

34°F

1°C

Humidity 64%
Wind Speed SE 10 mph
Barometer 30.58 in (1035.5 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill26°F (-3°C)
Last update 3 Mar 10:56 am EST
Extended Forecast for

2 Miles SSW Niantic CT

  • Today

    Today: Rain, possibly mixed with snow, becoming all rain after 3pm. High near 39. East wind 7 to 9 mph. Chance of precipitation is 100%. Total daytime snow accumulation of less than a half inch possible.

    High: 39 °F

    Rain/Snow

  • Tonight

    Tonight: Rain, mainly before 4am. Low around 35. East wind around 7 mph becoming west after midnight. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 35 °F

    Rain

  • Wednesday

    Wednesday: Mostly sunny, with a high near 47. West wind around 5 mph becoming calm in the morning.

    High: 47 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 20 percent chance of rain after 1am. Mostly cloudy, with a low around 32. Calm wind.

    Low: 32 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Thursday

    Thursday: A 50 percent chance of rain. Cloudy, with a high near 44. Calm wind becoming east around 6 mph in the afternoon.

    High: 44 °F

    Chance Rain

  • Thursday Night

    Thursday Night: Rain likely. Cloudy, with a low around 36. Chance of precipitation is 60%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 36 °F

    Rain Likely

  • Friday

    Friday: A 50 percent chance of rain before 1pm. Mostly cloudy, with a high near 43.

    High: 43 °F

    Chance Rain

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 35.

    Low: 35 °F

    Mostly Cloudy

  • Saturday

    Saturday: Cloudy, with a high near 50.

    High: 50 °F

    Cloudy

Detailed Forecast

Today
Rain, possibly mixed with snow, becoming all rain after 3pm. High near 39. East wind 7 to 9 mph. Chance of precipitation is 100%. Total daytime snow accumulation of less than a half inch possible.
Tonight
Rain, mainly before 4am. Low around 35. East wind around 7 mph becoming west after midnight. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Wednesday
Mostly sunny, with a high near 47. West wind around 5 mph becoming calm in the morning.
Wednesday Night
A 20 percent chance of rain after 1am. Mostly cloudy, with a low around 32. Calm wind.
Thursday
A 50 percent chance of rain. Cloudy, with a high near 44. Calm wind becoming east around 6 mph in the afternoon.
Thursday Night
Rain likely. Cloudy, with a low around 36. Chance of precipitation is 60%. New precipitation amounts between a half and three quarters of an inch possible.
Friday
A 50 percent chance of rain before 1pm. Mostly cloudy, with a high near 43.
Friday Night
Mostly cloudy, with a low around 35.
Saturday
Cloudy, with a high near 50.
Saturday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 44.
Sunday
Mostly cloudy, with a high near 55.
Sunday Night
Partly cloudy, with a low around 41.
Monday
Partly sunny, with a high near 56.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSW Niantic CT
 41.29°N 72.21°W (Elev. 3 ft)
Last Update:
4:31 am EST Mar 3, 2026
Forecast Valid:
11am EST Mar 3, 2026-6pm EDT Mar 9, 2026
 
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