Current conditions at

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

Lat: 41.33°NLon: 72.05°WElev: 10ft.

Fair

84°F

29°C

Humidity 70%
Wind Speed SW 12 mph
Barometer 29.93 in (1013.4 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index90°F (32°C)
Last update 8 Aug 2:56 pm EDT
Extended Forecast for

2 Miles WSW Yantic CT

Heat Advisory until August 8, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory until August 8, 08:00pm

    NOW until 8:00pm Sat

    Heat Advisory

  • This Afternoon

    High: 89 °F

    Sunny

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms, mainly between 8pm and 11pm. Some of the storms could be severe.  Partly cloudy, with a low around 71. West wind around 5 mph becoming calm  in the evening.

    Low: 71 °F

    Severe
    Thunderstorms
    then Mostly
    Clear

  • Sunday

    Sunday: Sunny, with a high near 90. Calm wind becoming west 5 to 9 mph in the morning.

    High: 90 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 64. Calm wind.

    Low: 64 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 87. Calm wind becoming southwest 5 to 9 mph in the afternoon.

    High: 87 °F

    Sunny

  • Monday Night

    Monday Night: A 30 percent chance of showers before 2am.  Partly cloudy, with a low around 69.

    Low: 69 °F

    Chance
    Showers

  • Tuesday

    Tuesday: Mostly sunny, with a high near 86.

    High: 86 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 63.

    Low: 63 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
Sunny, with a high near 89. Heat index values as high as 95. Southwest wind around 10 mph.
Tonight
A 40 percent chance of showers and thunderstorms, mainly between 8pm and 11pm. Some of the storms could be severe. Partly cloudy, with a low around 71. West wind around 5 mph becoming calm in the evening.
Sunday
Sunny, with a high near 90. Calm wind becoming west 5 to 9 mph in the morning.
Sunday Night
Clear, with a low around 64. Calm wind.
Monday
Sunny, with a high near 87. Calm wind becoming southwest 5 to 9 mph in the afternoon.
Monday Night
A 30 percent chance of showers before 2am. Partly cloudy, with a low around 69.
Tuesday
Mostly sunny, with a high near 86.
Tuesday Night
Partly cloudy, with a low around 63.
Wednesday
Mostly sunny, with a high near 84.
Wednesday Night
Partly cloudy, with a low around 63.
Thursday
A 50 percent chance of showers. Partly sunny, with a high near 83.
Thursday Night
Partly cloudy, with a low around 62.
Friday
Mostly sunny, with a high near 81.
Friday Night
Mostly clear, with a low around 56.
Saturday
Sunny, with a high near 79.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WSW Yantic CT
 41.52°N 72.07°W (Elev. 52 ft)
2:51 pm EDT Aug 8, 2026
3pm EDT Aug 8, 2026-6pm EDT Aug 15, 2026
 
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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