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

76°F

24°C

Humidity 79%
Wind Speed S 7 mph
Barometer 30.11 in (1019.4 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index77°F (25°C)
Last update 30 Jun 10:56 am EDT
Extended Forecast for

3 Miles NE Gales Ferry CT

Extreme Heat Watch July 1, 12:00pm until July 4, 09:00pm
Click here for hazard details and duration
Extreme Heat Watch

  • Today

    Today: Mostly sunny, with a high near 87. Southwest wind 6 to 10 mph.

    High: 87 °F

    Mostly Sunny

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly between 8pm and 11pm. Mostly cloudy, with a low around 67. South wind 6 to 8 mph, with gusts as high as 20 mph.

    Low: 67 °F

    Chance
    Showers then
    Slight Chance
    T-storms

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 90. Heat index values as high as 96. Southwest wind 8 to 11 mph, with gusts as high as 23 mph.

    High: 90 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 71. Southwest wind 3 to 8 mph.

    Low: 71 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny and hot, with a high near 100. Light west wind becoming southwest 5 to 9 mph in the morning. Winds could gust as high as 20 mph.

    High: 100 °F

    Hot

  • Thursday Night

    Thursday Night: Clear, with a low around 75.

    Low: 75 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 99.

    High: 99 °F

    Sunny

  • 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 98.

    High: 98 °F

    Sunny then
    Chance
    T-storms

Detailed Forecast

Today
Mostly sunny, with a high near 87. Southwest wind 6 to 10 mph.
Tonight
A 30 percent chance of showers and thunderstorms, mainly between 8pm and 11pm. Mostly cloudy, with a low around 67. South wind 6 to 8 mph, with gusts as high as 20 mph.
Wednesday
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 90. Heat index values as high as 96. Southwest wind 8 to 11 mph, with gusts as high as 23 mph.
Wednesday Night
Partly cloudy, with a low around 71. Southwest wind 3 to 8 mph.
Thursday
Sunny and hot, with a high near 100. Light west wind becoming southwest 5 to 9 mph in the morning. Winds could gust as high as 20 mph.
Thursday Night
Clear, with a low around 75.
Friday
Sunny, with a high near 99.
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 98.
Saturday Night
A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Partly cloudy, with a low around 70. Chance of precipitation is 30%.
Sunday
Mostly sunny, with a high near 93.
Sunday Night
A 30 percent chance of showers. Partly cloudy, with a low around 67.
Monday
A 40 percent chance of showers. Partly sunny, with a high near 88.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NE Gales Ferry CT
 41.49°N 72.05°W (Elev. 98 ft)
Last Update:
7:08 am EDT Jun 30, 2026
Forecast Valid:
11am EDT Jun 30, 2026-6pm EDT Jul 6, 2026
 
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