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.

Overcast

77°F

25°C

Humidity 52%
Wind Speed W 6 mph
Barometer 29.82 in (1009.8 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 15 Jul 8:56 pm EDT
Extended Forecast for

New London CT

  • Tonight

    Tonight: Patchy smoke before 3am. Mostly cloudy, with a low around 71. Northwest wind 5 to 7 mph becoming calm after midnight.

    Low: 71 °F

    Patchy Smoke

  • Thursday

    Thursday: Patchy smoke after 11am. Mostly sunny, with a high near 90. Light west wind becoming southwest 8 to 13 mph in the morning.

    High: 90 °F

    Patchy Smoke

  • Thursday Night

    Thursday Night: Widespread smoke, mainly between 2am and 3am. Mostly clear, with a low around 68. West wind around 6 mph becoming calm in the evening.

    Low: 68 °F

    Smoke

  • Friday

    Friday: Areas of smoke before 8am. Sunny, with a high near 89. Calm wind becoming west 5 to 7 mph in the morning.

    High: 89 °F

    Areas Smoke
    then Sunny

  • Friday Night

    Friday Night: Increasing clouds, with a low around 68. Calm wind.

    Low: 68 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Showers likely, mainly after 2pm. Mostly cloudy, with a high near 86. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 86 °F

    Chance
    Showers then
    Showers
    Likely

  • Saturday Night

    Saturday Night: Showers likely before 8pm, then showers and possibly a thunderstorm between 8pm and 2am, then showers after 2am. Low around 70. Chance of precipitation is 90%.

    Low: 70 °F

    Showers

  • Sunday

    Sunday: Partly sunny, with a high near 87.

    High: 87 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 65.

    Low: 65 °F

    Mostly Clear

Detailed Forecast

Tonight
Patchy smoke before 3am. Mostly cloudy, with a low around 71. Northwest wind 5 to 7 mph becoming calm after midnight.
Thursday
Patchy smoke after 11am. Mostly sunny, with a high near 90. Light west wind becoming southwest 8 to 13 mph in the morning.
Thursday Night
Widespread smoke, mainly between 2am and 3am. Mostly clear, with a low around 68. West wind around 6 mph becoming calm in the evening.
Friday
Areas of smoke before 8am. Sunny, with a high near 89. Calm wind becoming west 5 to 7 mph in the morning.
Friday Night
Increasing clouds, with a low around 68. Calm wind.
Saturday
Showers likely, mainly after 2pm. Mostly cloudy, with a high near 86. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday Night
Showers likely before 8pm, then showers and possibly a thunderstorm between 8pm and 2am, then showers after 2am. Low around 70. Chance of precipitation is 90%.
Sunday
Partly sunny, with a high near 87.
Sunday Night
Mostly clear, with a low around 65.
Monday
Sunny, with a high near 84.
Monday Night
Partly cloudy, with a low around 67.
Tuesday
A 50 percent chance of showers. Partly sunny, with a high near 84.
Tuesday Night
Showers likely. Mostly cloudy, with a low around 68. Chance of precipitation is 60%.
Wednesday
A 40 percent chance of showers. Partly sunny, with a high near 85.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
New London CT
 41.35°N 72.11°W (Elev. 98 ft)
Last Update:
8:08 pm EDT Jul 15, 2026
Forecast Valid:
9pm EDT Jul 15, 2026-6pm EDT Jul 22, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation