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 79%
Wind Speed SW 8 mph
Barometer 30.09 in (1018.9 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 21 Jun 3:56 pm EDT
Extended Forecast for

2 Miles W Uncasville CT

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

  • Tonight

    Tonight: Partly cloudy, with a low around 67. Southwest wind around 7 mph.

    Low: 67 °F

    Partly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms before 2pm. Partly sunny, with a high near 91. Heat index values as high as 97. Southwest wind 9 to 13 mph.

    High: 91 °F

    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 74. West wind 5 to 7 mph.

    Low: 74 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 92. Heat index values as high as 99. Northwest wind around 6 mph becoming south in the afternoon.

    High: 92 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 70. South wind 3 to 6 mph.

    Low: 70 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 98.

    High: 98 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 75.

    Low: 75 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 92.

    High: 92 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 65.

    Low: 65 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 67. Southwest wind around 7 mph.
Sunday
A 20 percent chance of showers and thunderstorms before 2pm. Partly sunny, with a high near 91. Heat index values as high as 97. Southwest wind 9 to 13 mph.
Sunday Night
Partly cloudy, with a low around 74. West wind 5 to 7 mph.
Monday
Mostly sunny, with a high near 92. Heat index values as high as 99. Northwest wind around 6 mph becoming south in the afternoon.
Monday Night
Mostly clear, with a low around 70. South wind 3 to 6 mph.
Tuesday
Sunny, with a high near 98.
Tuesday Night
Mostly clear, with a low around 75.
Wednesday
Mostly sunny, with a high near 92.
Wednesday Night
Mostly cloudy, with a low around 65.
Thursday
Partly sunny, with a high near 79.
Thursday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 63.
Friday
A 30 percent chance of showers. Partly sunny, with a high near 73.
Friday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 62.
Saturday
A 30 percent chance of showers. Mostly cloudy, with a high near 75.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles W Uncasville CT
 41.46°N 72.14°W (Elev. 276 ft)
Last Update:
3:25 pm EDT Jun 21, 2025
Forecast Valid:
4pm EDT Jun 21, 2025-6pm EDT Jun 28, 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