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Hazardous Weather Conditions

Current conditions at

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

Lat: 41.33°NLon: 72.05°WElev: 10ft.

Fair

79°F

26°C

Humidity 77%
Wind Speed SW 9 mph
Barometer 29.95 in (1014.1 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 1 Jul 4:56 pm EDT
Extended Forecast for

Ivoryton CT

Extreme Heat Watch July 3, 09:00pm until July 4, 09:00pm
Extreme Heat Warning July 1, 05:45pm until July 3, 09:00pm
Click here for hazard details and duration
Extreme Heat Watch
Extreme Heat Warning
  •  
    Extreme Heat Warning July 1, 05:45pm until July 3, 09:00pm

    NOW until 9:00pm Fri

    Extreme Heat Warning

  • This Afternoon

    High: 91 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 11pm. Partly cloudy, with a low around 71. Southwest wind 5 to 7 mph becoming calm in the evening.

    Low: 71 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 96. Heat index values as high as 112. Calm wind becoming southwest 5 to 8 mph in the afternoon.

    High: 96 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 75. Southwest wind around 6 mph becoming calm in the evening.

    Low: 75 °F

    Mostly Clear

  • Friday

    Friday: A slight chance of showers between 2pm and 5pm, then a slight chance of showers and thunderstorms after 5pm. Sunny, with a high near 97. Calm wind becoming west 5 to 8 mph in the morning. Chance of precipitation is 20%.

    High: 97 °F

    Sunny then
    Slight Chance
    T-storms

  • Friday Night

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

    Low: 74 °F

    Mostly Clear

  • Independence Day

    Independence Day: A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 95.

    High: 95 °F

    Sunny then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 70.

    Low: 70 °F

    Chance
    T-storms then
    Partly Cloudy

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91. Heat index values as high as 99. South wind around 10 mph.
Tonight
A 20 percent chance of showers and thunderstorms before 11pm. Partly cloudy, with a low around 71. Southwest wind 5 to 7 mph becoming calm in the evening.
Thursday
Sunny, with a high near 96. Heat index values as high as 112. Calm wind becoming southwest 5 to 8 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 75. Southwest wind around 6 mph becoming calm in the evening.
Friday
A slight chance of showers between 2pm and 5pm, then a slight chance of showers and thunderstorms after 5pm. Sunny, with a high near 97. Calm wind becoming west 5 to 8 mph in the morning. Chance of precipitation is 20%.
Friday Night
Mostly clear, with a low around 74.
Independence Day
A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 95.
Saturday Night
A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 70.
Sunday
A 30 percent chance of showers after 2pm. Mostly sunny, with a high near 85.
Sunday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 67.
Monday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 80.
Monday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 65.
Tuesday
Mostly sunny, with a high near 78.
Tuesday Night
Partly cloudy, with a low around 64.
Wednesday
Mostly sunny, with a high near 80.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Ivoryton CT
 41.36°N 72.43°W (Elev. 95 ft)
Last Update:
2:10 pm EDT Jul 1, 2026
Forecast Valid:
5pm EDT Jul 1, 2026-6pm EDT Jul 8, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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