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

75°F

24°C

Humidity 69%
Wind Speed SW 9 mph
Barometer 30.10 in (1019.3 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 21 Jun 12:56 pm EDT
Extended Forecast for

2 Miles SSE Ledyard 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 84. Southwest wind around 8 mph.

    High: 84 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 66. Southwest wind around 6 mph.

    Low: 66 °F

    Partly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 88. Southwest wind 9 to 11 mph, with gusts as high as 22 mph.

    High: 88 °F

    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 72. Northwest wind 5 to 7 mph.

    Low: 72 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 92. Northwest wind 5 to 7 mph becoming south in the afternoon.

    High: 92 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 70.

    Low: 70 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 95.

    High: 95 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 72.

    Low: 72 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 87.

    High: 87 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 84. Southwest wind around 8 mph.
Tonight
Partly cloudy, with a low around 66. Southwest wind around 6 mph.
Sunday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 88. Southwest wind 9 to 11 mph, with gusts as high as 22 mph.
Sunday Night
Partly cloudy, with a low around 72. Northwest wind 5 to 7 mph.
Monday
Sunny, with a high near 92. Northwest wind 5 to 7 mph becoming south in the afternoon.
Monday Night
Partly cloudy, with a low around 70.
Tuesday
Sunny, with a high near 95.
Tuesday Night
Mostly clear, with a low around 72.
Wednesday
Mostly sunny, with a high near 87.
Wednesday Night
Mostly cloudy, with a low around 64.
Thursday
Partly sunny, with a high near 78.
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. Partly sunny, with a high near 76.
Basemap Options
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSE Ledyard CT
 41.42°N 71.98°W (Elev. 269 ft)
Last Update:
11:38 am EDT Jun 21, 2025
Forecast Valid:
1pm EDT Jun 21, 2025-6pm EDT Jun 27, 2025
 
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