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

65°F

18°C

Humidity 78%
Wind Speed Calm
Barometer 30.15 in (1021.1 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 16 Aug 7:56 am EDT
Extended Forecast for

2 Miles ESE Niantic CT

  • Today

    Today: Mostly sunny, with a high near 75. Light and variable wind becoming south 5 to 10 mph in the afternoon.

    High: 75 °F

    Mostly Sunny

  • Tonight

    Tonight: Showers, mainly after 2am. Low around 68. South wind 9 to 13 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 68 °F

    Chance
    Showers then
    Showers

  • Monday

    Monday: Showers and possibly a thunderstorm before 11am, then a chance of showers. High near 75. Southeast wind 8 to 14 mph becoming northeast in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 75 °F

    Showers then
    Chance
    Showers

  • Monday Night

    Monday Night: Partly cloudy, with a low around 67. Light north wind.

    Low: 67 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 77. North wind around 5 mph becoming light and variable.

    High: 77 °F

    Mostly Sunny

  • Tuesday Night

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

    Low: 67 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 68.

    Low: 68 °F

    Partly Cloudy

  • Thursday

    Thursday: A 50 percent chance of showers after 8am. Partly sunny, with a high near 76.

    High: 76 °F

    Chance
    Showers

Detailed Forecast

Today
Mostly sunny, with a high near 75. Light and variable wind becoming south 5 to 10 mph in the afternoon.
Tonight
Showers, mainly after 2am. Low around 68. South wind 9 to 13 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Monday
Showers and possibly a thunderstorm before 11am, then a chance of showers. High near 75. Southeast wind 8 to 14 mph becoming northeast in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday Night
Partly cloudy, with a low around 67. Light north wind.
Tuesday
Mostly sunny, with a high near 77. North wind around 5 mph becoming light and variable.
Tuesday Night
Partly cloudy, with a low around 67.
Wednesday
Sunny, with a high near 78.
Wednesday Night
Partly cloudy, with a low around 68.
Thursday
A 50 percent chance of showers after 8am. Partly sunny, with a high near 76.
Thursday Night
Partly cloudy, with a low around 63.
Friday
Mostly sunny, with a high near 75.
Friday Night
Partly cloudy, with a low around 64.
Saturday
A 30 percent chance of showers. Partly sunny, with a high near 74.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ESE Niantic CT
 41.31°N 72.18°W (Elev. 0 ft)
Last Update:
2:19 am EDT Aug 16, 2026
Forecast Valid:
8am EDT Aug 16, 2026-6pm EDT Aug 22, 2026
 
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