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

74°F

23°C

Humidity 54%
Wind Speed SW 17 G 30 mph
Barometer 29.62 in (1003.0 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 19 Jun 1:56 pm EDT
Extended Forecast for

Niantic CT

  • Juneteenth

    Juneteenth: Mostly sunny, with a high near 83. West wind around 14 mph, with gusts as high as 25 mph.

    High: 83 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 62. West wind 6 to 10 mph, with gusts as high as 20 mph.

    Low: 62 °F

    Mostly Clear

  • Saturday

    Saturday: Increasing clouds, with a high near 81. West wind 14 to 16 mph, with gusts as high as 28 mph.

    High: 81 °F

    Increasing
    Clouds

  • Saturday Night

    Saturday Night: Mostly cloudy, then gradually becoming clear, with a low around 59. Northwest wind 3 to 6 mph.

    Low: 59 °F

    Decreasing
    Clouds

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after 2pm. Increasing clouds, with a high near 82. Northwest wind 5 to 9 mph becoming southwest in the afternoon.

    High: 82 °F

    Sunny then
    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 61.

    Low: 61 °F

    Partly Cloudy

  • Monday

    Monday: Showers and possibly a thunderstorm. High near 75. Chance of precipitation is 90%.

    High: 75 °F

    Showers
    Likely then
    Showers

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm before 2am, then a chance of showers. Low around 63. Chance of precipitation is 90%.

    Low: 63 °F

    Showers

  • Tuesday

    Tuesday: A 30 percent chance of showers before 8am. Mostly sunny, with a high near 83.

    High: 83 °F

    Chance
    Showers then
    Mostly Sunny

Detailed Forecast

Juneteenth
Mostly sunny, with a high near 83. West wind around 14 mph, with gusts as high as 25 mph.
Tonight
Mostly clear, with a low around 62. West wind 6 to 10 mph, with gusts as high as 20 mph.
Saturday
Increasing clouds, with a high near 81. West wind 14 to 16 mph, with gusts as high as 28 mph.
Saturday Night
Mostly cloudy, then gradually becoming clear, with a low around 59. Northwest wind 3 to 6 mph.
Sunday
A 20 percent chance of showers and thunderstorms after 2pm. Increasing clouds, with a high near 82. Northwest wind 5 to 9 mph becoming southwest in the afternoon.
Sunday Night
Partly cloudy, with a low around 61.
Monday
Showers and possibly a thunderstorm. High near 75. Chance of precipitation is 90%.
Monday Night
Showers and possibly a thunderstorm before 2am, then a chance of showers. Low around 63. Chance of precipitation is 90%.
Tuesday
A 30 percent chance of showers before 8am. Mostly sunny, with a high near 83.
Tuesday Night
Mostly clear, with a low around 63.
Wednesday
Sunny, with a high near 84.
Wednesday Night
Mostly clear, with a low around 63.
Thursday
Mostly sunny, with a high near 82.
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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:
2:30 pm EDT Jun 19, 2026
Forecast Valid:
2pm EDT Jun 19, 2026-6pm EDT Jun 25, 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