National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Groton / New London, Groton / New London Airport (KGON)

Lat: 41.33°NLon: 72.05°WElev: 10ft.

Fair

77°F

25°C

Humidity 88%
Wind Speed SW 8 mph
Barometer 29.81 in (1009.5 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 3 Jul 11:56 am EDT
Extended Forecast for

Niantic CT

  • This Afternoon

    This Afternoon: A chance of showers between 2pm and 5pm, then a chance of showers and thunderstorms after 5pm. Sunny, with a high near 84. Southwest wind 6 to 8 mph. Chance of precipitation is 30%.

    High: 84 °F

    Chance
    T-storms

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 63. West wind around 5 mph becoming calm in the evening.

    Low: 63 °F

    Chance
    T-storms then
    Mostly Clear

  • Independence Day

    Independence Day: Sunny, with a high near 82. West wind 5 to 7 mph.

    High: 82 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 62. Light north wind.

    Low: 62 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 81. Calm wind becoming south 5 to 7 mph in the afternoon.

    High: 81 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 67.

    Low: 67 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 84.

    High: 84 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 69.

    Low: 69 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

Detailed Forecast

This Afternoon
A chance of showers between 2pm and 5pm, then a chance of showers and thunderstorms after 5pm. Sunny, with a high near 84. Southwest wind 6 to 8 mph. Chance of precipitation is 30%.
Tonight
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 63. West wind around 5 mph becoming calm in the evening.
Independence Day
Sunny, with a high near 82. West wind 5 to 7 mph.
Friday Night
Mostly clear, with a low around 62. Light north wind.
Saturday
Sunny, with a high near 81. Calm wind becoming south 5 to 7 mph in the afternoon.
Saturday Night
Partly cloudy, with a low around 67.
Sunday
Mostly sunny, with a high near 84.
Sunday Night
Partly cloudy, with a low around 69.
Monday
Sunny, with a high near 85.
Monday Night
Partly cloudy, with a low around 70.
Tuesday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 82.
Tuesday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 68.
Wednesday
Partly sunny, with a high near 81.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Niantic CT
 41.31°N 72.21°W (Elev. 30 ft)
Last Update:
3:15 am EDT Jul 3, 2025
Forecast Valid:
12pm EDT Jul 3, 2025-6pm EDT Jul 9, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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