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

73°F

23°C

Humidity 71%
Wind Speed SW 7 mph
Barometer 30.10 in (1019.1 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 21 Jun 11:56 am EDT
Extended Forecast for

2 Miles WSW Yantic CT

Extreme Heat Warning June 22, 12:00pm until June 24, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning

  • This Afternoon

    This Afternoon: Sunny, with a high near 87. Southwest wind around 7 mph.

    High: 87 °F

    Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 67. South wind 3 to 5 mph.

    Low: 67 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 92. Heat index values as high as 98. Southwest wind 8 to 13 mph.

    High: 92 °F

    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 74. West wind around 6 mph becoming calm in the evening.

    Low: 74 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 97. Light and variable wind becoming southwest 5 to 7 mph in the morning.

    High: 97 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 72.

    Low: 72 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny and hot, with a high near 100.

    High: 100 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 74.

    Low: 74 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 91.

    High: 91 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 87. Southwest wind around 7 mph.
Tonight
Mostly cloudy, with a low around 67. South wind 3 to 5 mph.
Sunday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 92. Heat index values as high as 98. Southwest wind 8 to 13 mph.
Sunday Night
Partly cloudy, with a low around 74. West wind around 6 mph becoming calm in the evening.
Monday
Sunny, with a high near 97. Light and variable wind becoming southwest 5 to 7 mph in the morning.
Monday Night
Partly cloudy, with a low around 72.
Tuesday
Sunny and hot, with a high near 100.
Tuesday Night
Mostly clear, with a low around 74.
Wednesday
Mostly sunny, with a high near 91.
Wednesday Night
Mostly cloudy, with a low around 65.
Thursday
Partly sunny, with a high near 81.
Thursday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 63.
Friday
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 79.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WSW Yantic CT
 41.52°N 72.07°W (Elev. 52 ft)
Last Update:
11:38 am EDT Jun 21, 2025
Forecast Valid:
12pm EDT Jun 21, 2025-6pm EDT Jun 27, 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