Current conditions at

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

Lat: 41.33°NLon: 72.05°WElev: 10ft.

Fair

86°F

30°C

Humidity 65%
Wind Speed SW 7 mph
Barometer 29.96 in (1014.4 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index93°F (34°C)
Last update 30 Jul 2:56 pm EDT
Extended Forecast for

Groton / New London Airport CT

Flood Watch July 31, 02:00pm until August 1, 02:00pm
Heat Advisory July 30, 03:53pm until July 30, 08:00pm
Click here for hazard details and duration
Flood Watch
...
  •  
    Heat Advisory July 30, 03:53pm until July 30, 08:00pm

    NOW until 8:00pm Wed

    Heat Advisory

  • Tonight

    Low: 70 °F

    Partly Cloudy

  • Thursday

    Thursday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Some of the storms could produce heavy rainfall.  Partly sunny, with a high near 80. East wind 6 to 9 mph.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 80 °F

    Heavy Rain

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall.  Low around 63. Northeast wind around 10 mph.  Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 63 °F

    Heavy Rain

  • Friday

    Friday: Showers. The rain could be heavy at times.  High near 68. Northeast wind around 16 mph, with gusts as high as 26 mph.  Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 68 °F

    Heavy Rain

  • Friday Night

    Friday Night: A 30 percent chance of showers before 2am.  Partly cloudy, with a low around 58. Northeast wind 10 to 13 mph.

    Low: 58 °F

    Chance
    Showers

  • Saturday

    Saturday: Sunny, with a high near 76.

    High: 76 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

Detailed Forecast

Tonight
Partly cloudy, with a low around 70. Southwest wind 5 to 7 mph becoming calm in the evening.
Thursday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Some of the storms could produce heavy rainfall. Partly sunny, with a high near 80. East wind 6 to 9 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 63. Northeast wind around 10 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Friday
Showers. The rain could be heavy at times. High near 68. Northeast wind around 16 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Friday Night
A 30 percent chance of showers before 2am. Partly cloudy, with a low around 58. Northeast wind 10 to 13 mph.
Saturday
Sunny, with a high near 76.
Saturday Night
Mostly clear, with a low around 60.
Sunday
Sunny, with a high near 78.
Sunday Night
Mostly clear, with a low around 63.
Monday
Mostly sunny, with a high near 79.
Monday Night
Partly cloudy, with a low around 63.
Tuesday
Mostly sunny, with a high near 78.
Tuesday Night
Mostly cloudy, with a low around 63.
Wednesday
Partly sunny, with a high near 78.
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ABOUT THIS FORECAST

 
Point Forecast:
Groton / New London Airport CT
 41.34°N 72.05°W (Elev. 49 ft)
2:43 pm EDT Jul 30, 2025
3pm EDT Jul 30, 2025-6pm EDT Aug 6, 2025
 
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Additional Resources

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