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.

Fair

27°F

-3°C

Humidity 96%
Wind Speed Calm
Barometer 30.23 in (1023.6 mb)
Dewpoint 26°F (-3°C)
Visibility 8.00 mi
Last update 5 Mar 2:56 am EST
Extended Forecast for

2 Miles NNE Niantic CT

  • Overnight

    Overnight: Patchy fog. Otherwise, mostly cloudy, with a low around 29. Calm wind.

    Low: 29 °F

    Patchy Fog

  • Thursday

    Thursday: Rain, mainly after 8am. Patchy fog. High near 40. Calm wind becoming northeast around 6 mph in the afternoon. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 40 °F

    Rain and
    Patchy Fog

  • Thursday Night

    Thursday Night: Rain. Patchy fog. Low around 32. Northeast wind 7 to 10 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 32 °F

    Rain and
    Patchy Fog

  • Friday

    Friday: Rain, mainly before 7am. Patchy fog before 10am. High near 41. Wind chill values between 25 and 35. Northeast wind 8 to 11 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 41 °F

    Rain and
    Patchy Fog
    then Slight
    Chance Rain

  • Friday Night

    Friday Night: Cloudy, with a low around 33. Northeast wind 5 to 7 mph becoming calm in the evening.

    Low: 33 °F

    Cloudy

  • Saturday

    Saturday: Cloudy, with a high near 49.

    High: 49 °F

    Cloudy

  • Saturday Night

    Saturday Night: Showers likely, mainly after 1am. Cloudy, with a low around 42. Chance of precipitation is 60%.

    Low: 42 °F

    Showers
    Likely

  • Sunday

    Sunday: Partly sunny, with a high near 55.

    High: 55 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 36.

    Low: 36 °F

    Partly Cloudy

Detailed Forecast

Overnight
Patchy fog. Otherwise, mostly cloudy, with a low around 29. Calm wind.
Thursday
Rain, mainly after 8am. Patchy fog. High near 40. Calm wind becoming northeast around 6 mph in the afternoon. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Thursday Night
Rain. Patchy fog. Low around 32. Northeast wind 7 to 10 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Friday
Rain, mainly before 7am. Patchy fog before 10am. High near 41. Wind chill values between 25 and 35. Northeast wind 8 to 11 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
Cloudy, with a low around 33. Northeast wind 5 to 7 mph becoming calm in the evening.
Saturday
Cloudy, with a high near 49.
Saturday Night
Showers likely, mainly after 1am. Cloudy, with a low around 42. Chance of precipitation is 60%.
Sunday
Partly sunny, with a high near 55.
Sunday Night
Partly cloudy, with a low around 36.
Monday
Sunny, with a high near 54.
Monday Night
Partly cloudy, with a low around 40.
Tuesday
Mostly sunny, with a high near 59.
Tuesday Night
Mostly cloudy, with a low around 41.
Wednesday
Cloudy, with a high near 54.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNE Niantic CT
 41.36°N 72.2°W (Elev. 200 ft)
Last Update:
12:54 am EST Mar 5, 2026
Forecast Valid:
3am EST Mar 5, 2026-6pm EDT Mar 11, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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