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

54°F

12°C

Humidity 72%
Wind Speed NA
Barometer 29.91 in (1012.7 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 29 Apr 4:56 pm EDT
Extended Forecast for

Niantic CT

  • Tonight

    Tonight: A slight chance of sprinkles between 11pm and 2am, then showers after 2am. Low around 46. Light southeast wind. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 46 °F

    Mostly Cloudy
    then Showers

  • Thursday

    Thursday: Showers, mainly before 2pm. High near 59. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 59 °F

    Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 44. Northwest wind around 6 mph.

    Low: 44 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 60. West wind 7 to 10 mph.

    High: 60 °F

    Sunny

  • Friday Night

    Friday Night: A 20 percent chance of showers after 2am. Partly cloudy, with a low around 42. West wind around 5 mph becoming calm in the evening.

    Low: 42 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Saturday

    Saturday: A 30 percent chance of showers after 2pm. Mostly cloudy, with a high near 56.

    High: 56 °F

    Mostly Cloudy
    then Chance
    Showers

  • Saturday Night

    Saturday Night: A 30 percent chance of showers. Mostly cloudy, with a low around 41.

    Low: 41 °F

    Chance
    Showers

  • Sunday

    Sunday: Mostly sunny, with a high near 58.

    High: 58 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 42.

    Low: 42 °F

    Mostly Clear

Detailed Forecast

Tonight
A slight chance of sprinkles between 11pm and 2am, then showers after 2am. Low around 46. Light southeast wind. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Showers, mainly before 2pm. High near 59. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
Partly cloudy, with a low around 44. Northwest wind around 6 mph.
Friday
Sunny, with a high near 60. West wind 7 to 10 mph.
Friday Night
A 20 percent chance of showers after 2am. Partly cloudy, with a low around 42. West wind around 5 mph becoming calm in the evening.
Saturday
A 30 percent chance of showers after 2pm. Mostly cloudy, with a high near 56.
Saturday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 41.
Sunday
Mostly sunny, with a high near 58.
Sunday Night
Mostly clear, with a low around 42.
Monday
Sunny, with a high near 61.
Monday Night
A 30 percent chance of showers. Partly cloudy, with a low around 49.
Tuesday
A 30 percent chance of showers. Partly sunny, with a high near 62.
Tuesday Night
A 30 percent chance of showers. Partly cloudy, with a low around 46.
Wednesday
Mostly sunny, with a high near 63.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Niantic CT
 41.31°N 72.21°W (Elev. 30 ft)
Last Update:
5:04 pm EDT Apr 29, 2026
Forecast Valid:
5pm EDT Apr 29, 2026-6pm EDT May 6, 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