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

52°F

11°C

Humidity 83%
Wind Speed NA
Barometer 30.03 in (1016.7 mb)
Dewpoint 47°F (8°C)
Visibility 9.00 mi
Last update 1 Apr 1:56 pm EDT
Extended Forecast for

Niantic CT

  • This Afternoon

    This Afternoon: Showers, mainly after 5pm. High near 67. West wind 7 to 9 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 67 °F

    Showers

  • Tonight

    Tonight: Showers. Patchy fog after 2am. Low around 39. Northeast wind 5 to 9 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 39 °F

    Showers and
    Patchy Fog

  • Thursday

    Thursday: A 40 percent chance of rain, mainly before 2pm. Patchy fog before 2pm. Otherwise, cloudy, with a high near 44. Northeast wind around 11 mph.

    High: 44 °F

    Chance Rain
    and Patchy
    Fog

  • Thursday Night

    Thursday Night: A slight chance of rain or drizzle before 8pm, then a chance of drizzle or light rain, mainly after 2am. Areas of fog after 8pm. Otherwise, cloudy, with a low around 37. Northeast wind 5 to 8 mph. Chance of precipitation is 30%.

    Low: 37 °F

    Chance Light
    Rain and
    Areas Fog

  • Friday

    Friday: A chance of drizzle or light rain, mainly before 8am. Areas of fog before 2pm. Otherwise, mostly cloudy, with a high near 56. Light and variable wind becoming southwest 5 to 8 mph in the afternoon. Chance of precipitation is 30%.

    High: 56 °F

    Chance Light
    Rain and
    Areas Fog

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 49.

    Low: 49 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 66.

    High: 66 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 30 percent chance of showers after 8pm. Mostly cloudy, with a low around 44.

    Low: 44 °F

    Chance
    Showers

  • Sunday

    Sunday: Showers likely, mainly after 2pm. Mostly cloudy, with a high near 59. Chance of precipitation is 60%.

    High: 59 °F

    Showers
    Likely

Detailed Forecast

This Afternoon
Showers, mainly after 5pm. High near 67. West wind 7 to 9 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
Showers. Patchy fog after 2am. Low around 39. Northeast wind 5 to 9 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Thursday
A 40 percent chance of rain, mainly before 2pm. Patchy fog before 2pm. Otherwise, cloudy, with a high near 44. Northeast wind around 11 mph.
Thursday Night
A slight chance of rain or drizzle before 8pm, then a chance of drizzle or light rain, mainly after 2am. Areas of fog after 8pm. Otherwise, cloudy, with a low around 37. Northeast wind 5 to 8 mph. Chance of precipitation is 30%.
Friday
A chance of drizzle or light rain, mainly before 8am. Areas of fog before 2pm. Otherwise, mostly cloudy, with a high near 56. Light and variable wind becoming southwest 5 to 8 mph in the afternoon. Chance of precipitation is 30%.
Friday Night
Mostly cloudy, with a low around 49.
Saturday
Partly sunny, with a high near 66.
Saturday Night
A 30 percent chance of showers after 8pm. Mostly cloudy, with a low around 44.
Sunday
Showers likely, mainly after 2pm. Mostly cloudy, with a high near 59. Chance of precipitation is 60%.
Sunday Night
Showers likely, mainly before 2am. Mostly cloudy, with a low around 39. Chance of precipitation is 60%.
Monday
A 30 percent chance of showers. Mostly sunny, with a high near 53.
Monday Night
Mostly clear, with a low around 35.
Tuesday
Mostly sunny, with a high near 50.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Niantic CT
 41.34°N 72.2°W (Elev. 92 ft)
Last Update:
5:58 am EDT Apr 1, 2026
Forecast Valid:
1pm EDT Apr 1, 2026-6pm EDT Apr 7, 2026
 
Forecast Discussion
 
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Additional Resources

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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