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

38°F

3°C

Humidity 70%
Wind Speed N 8 mph
Barometer 30.45 in (1030.9 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 28 Oct 4:56 am EDT
Extended Forecast for

New London CT

Frost Advisory October 28, 05:47am until October 28, 09:00am
Click here for hazard details and duration
...
  •  
    Frost Advisory October 28, 05:47am until October 28, 09:00am

    NOW until 9:00am Wed

    Frost Advisory

  • Today

    High: 59 °F

    Areas Frost
    then Partly
    Sunny

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming clear, with a low around 45. Calm wind.

    Low: 45 °F

    Decreasing
    Clouds

  • Thursday

    Thursday: Sunny, with a high near 66. Calm wind becoming southwest 5 to 9 mph in the morning.

    High: 66 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 52. Southwest wind around 6 mph.

    Low: 52 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 70. West wind 6 to 11 mph.

    High: 70 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 40.

    Low: 40 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 60.

    High: 60 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 37.

    Low: 37 °F

    Partly Cloudy

Detailed Forecast

Today
Areas of frost before 9am. Otherwise, mostly sunny, with a high near 59. Light and variable wind becoming south around 6 mph in the afternoon.
Tonight
Mostly cloudy, then gradually becoming clear, with a low around 45. Calm wind.
Thursday
Sunny, with a high near 66. Calm wind becoming southwest 5 to 9 mph in the morning.
Thursday Night
Mostly clear, with a low around 52. Southwest wind around 6 mph.
Friday
Sunny, with a high near 70. West wind 6 to 11 mph.
Friday Night
Mostly clear, with a low around 40.
Saturday
Sunny, with a high near 60.
Saturday Night
Partly cloudy, with a low around 37.
Sunday
Mostly sunny, with a high near 63.
Sunday Night
Partly cloudy, with a low around 45.
Monday
Partly sunny, with a high near 65.
Monday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 47.
Tuesday
A 30 percent chance of showers. Partly sunny, with a high near 63.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
New London CT
 41.35°N 72.11°W (Elev. 98 ft)
Last Update:
2:25 am EDT Oct 28, 2026
Forecast Valid:
5am EDT Oct 28, 2026-6pm EST Nov 3, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation