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

58°F

14°C

Humidity 36%
Wind Speed NW 10 G 22 mph
Barometer 30.06 in (1017.8 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Last update 6 Oct 12:56 pm EDT
Extended Forecast for

2 Miles S Ledyard CT

Frost Advisory October 6, 11:00pm until October 7, 09:00am
Click here for hazard details and duration
Frost Advisory

  • This Afternoon

    This Afternoon: Sunny, with a high near 61. Northwest wind 11 to 13 mph.

    High: 61 °F

    Sunny

  • Tonight

    Tonight: Patchy frost after 3am. Otherwise, clear, with a low around 34. Northwest wind around 5 mph becoming calm in the evening.

    Low: 34 °F

    Clear then
    Patchy Frost

  • Wednesday

    Wednesday: Areas of frost before 9am. Otherwise, sunny, with a high near 65. Light west wind becoming southwest 5 to 10 mph in the afternoon.

    High: 65 °F

    Areas Frost
    then Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 55. Southwest wind around 8 mph.

    Low: 55 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 71. Southwest wind 8 to 10 mph.

    High: 71 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 50.

    Low: 50 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 67.

    High: 67 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 47.

    Low: 47 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 66.

    High: 66 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 61. Northwest wind 11 to 13 mph.
Tonight
Patchy frost after 3am. Otherwise, clear, with a low around 34. Northwest wind around 5 mph becoming calm in the evening.
Wednesday
Areas of frost before 9am. Otherwise, sunny, with a high near 65. Light west wind becoming southwest 5 to 10 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 55. Southwest wind around 8 mph.
Thursday
Sunny, with a high near 71. Southwest wind 8 to 10 mph.
Thursday Night
Mostly clear, with a low around 50.
Friday
Sunny, with a high near 67.
Friday Night
Mostly clear, with a low around 47.
Saturday
Sunny, with a high near 66.
Saturday Night
Mostly clear, with a low around 49.
Sunday
Mostly sunny, with a high near 66.
Sunday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 55.
Columbus Day
A 40 percent chance of showers. Partly sunny, with a high near 68.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles S Ledyard CT
 41.4°N 72.01°W (Elev. 197 ft)
Last Update:
3:07 am EDT Oct 6, 2026
Forecast Valid:
1pm EDT Oct 6, 2026-6pm EDT Oct 12, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation