Current conditions at

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

Lat: 41.33°NLon: 72.05°WElev: 10ft.

Fair

43°F

6°C

Humidity 82%
Wind Speed Calm
Barometer 30.08 in (1018.6 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Last update 7 Oct 12:56 am EDT
Extended Forecast for

3 Miles S Yantic CT

Frost Advisory until October 7, 09:00am
Click here for hazard details and duration
Frost Advisory
  •  
    Frost Advisory until October 7, 09:00am

    NOW until 9:00am Wed

    Frost Advisory

  • Overnight

    Low: 34 °F

    Areas Frost

  • Wednesday

    Wednesday: Widespread frost, mainly before 8am.  Otherwise, sunny, with a high near 64. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.

    High: 64 °F

    Frost then
    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 53. Southwest wind around 6 mph.

    Low: 53 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 73. Southwest wind 6 to 10 mph.

    High: 73 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 48. Calm wind.

    Low: 48 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 68.

    High: 68 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 45.

    Low: 45 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 68.

    High: 68 °F

    Sunny

Detailed Forecast

Overnight
Areas of frost after 4am. Otherwise, clear, with a low around 34. Calm wind.
Wednesday
Widespread frost, mainly before 8am. Otherwise, sunny, with a high near 64. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 53. Southwest wind around 6 mph.
Thursday
Sunny, with a high near 73. Southwest wind 6 to 10 mph.
Thursday Night
Mostly clear, with a low around 48. Calm wind.
Friday
Sunny, with a high near 68.
Friday Night
Mostly clear, with a low around 45.
Saturday
Sunny, with a high near 68.
Saturday Night
Mostly clear, with a low around 50.
Sunday
Mostly sunny, with a high near 69.
Sunday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 56.
Columbus Day
A 40 percent chance of showers. Mostly cloudy, with a high near 70.
Monday Night
Mostly cloudy, with a low around 55.
Tuesday
Mostly sunny, with a high near 69.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles S Yantic CT
 41.49°N 72.05°W (Elev. 98 ft)
5:36 pm EDT Oct 6, 2026
1am EDT Oct 7, 2026-6pm EDT Oct 13, 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