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

57°F

14°C

Humidity 45%
Wind Speed NE 14 mph
Barometer 30.39 in (1029.0 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Last update 22 May 8:56 am EDT
Extended Forecast for

Niantic CT

  • Today

    Today: Partly sunny, with a high near 67. Northeast wind 11 to 13 mph becoming southeast in the afternoon.

    High: 67 °F

    Partly Sunny

  • Tonight

    Tonight: Cloudy, with a low around 46. Southeast wind 5 to 7 mph becoming calm.

    Low: 46 °F

    Cloudy

  • Saturday

    Saturday: A slight chance of showers between 11am and 2pm, then a chance of rain after 2pm. Cloudy, with a high near 61. East wind 6 to 13 mph. Chance of precipitation is 40%.

    High: 61 °F

    Chance Rain

  • Saturday Night

    Saturday Night: Rain, mainly after 8pm. Low around 49. East wind 9 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 49 °F

    Rain

  • Sunday

    Sunday: Rain, with thunderstorms also possible after 2pm. High near 62. East wind 15 to 17 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.

    High: 62 °F

    Rain

  • Sunday Night

    Sunday Night: Rain with patchy drizzle, mainly before 2am, then patchy drizzle with a chance of rain after 2am. Low around 55. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 55 °F

    Rain

  • Memorial Day

    Memorial Day: A chance of rain before 8am, then a chance of showers after 8am. Mostly cloudy, with a high near 76. Chance of precipitation is 50%.

    High: 76 °F

    Chance Rain

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 58.

    Low: 58 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 78.

    High: 78 °F

    Partly Sunny

Detailed Forecast

Today
Partly sunny, with a high near 67. Northeast wind 11 to 13 mph becoming southeast in the afternoon.
Tonight
Cloudy, with a low around 46. Southeast wind 5 to 7 mph becoming calm.
Saturday
A slight chance of showers between 11am and 2pm, then a chance of rain after 2pm. Cloudy, with a high near 61. East wind 6 to 13 mph. Chance of precipitation is 40%.
Saturday Night
Rain, mainly after 8pm. Low around 49. East wind 9 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Sunday
Rain, with thunderstorms also possible after 2pm. High near 62. East wind 15 to 17 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Sunday Night
Rain with patchy drizzle, mainly before 2am, then patchy drizzle with a chance of rain after 2am. Low around 55. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Memorial Day
A chance of rain before 8am, then a chance of showers after 8am. Mostly cloudy, with a high near 76. Chance of precipitation is 50%.
Monday Night
Mostly cloudy, with a low around 58.
Tuesday
Partly sunny, with a high near 78.
Tuesday Night
Mostly cloudy, with a low around 59.
Wednesday
Mostly sunny, with a high near 82.
Wednesday Night
Partly cloudy, with a low around 58.
Thursday
Mostly sunny, with a high near 76.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Niantic CT
 41.34°N 72.2°W (Elev. 92 ft)
Last Update:
6:21 am EDT May 22, 2026
Forecast Valid:
9am EDT May 22, 2026-6pm EDT May 28, 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