National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

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

Lat: 41.33°NLon: 72.05°WElev: 10ft.

Rain Fog/Mist

54°F

12°C

Humidity 93%
Wind Speed S 20 mph
Barometer 29.90 in (1012.6 mb)
Dewpoint 52°F (11°C)
Visibility 3.00 mi
Wind Chill49°F (9°C)
Last update 26 Nov 12:55 am EST
Extended Forecast for

Groton / New London Airport CT

  • Overnight

    Overnight: Showers before 4am. Patchy fog. Low around 48. South wind 11 to 17 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 48 °F

    Showers and
    Patchy Fog

  • Wednesday

    Wednesday: A 50 percent chance of showers, mainly between 7am and 4pm. Patchy fog. Otherwise, cloudy, with a high near 58. South wind 9 to 11 mph.

    High: 58 °F

    Chance
    Showers and
    Patchy Fog

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers before 1am. Patchy fog before 1am. Otherwise, cloudy during the early evening, then gradual clearing, with a low around 36. Breezy, with a west wind 8 to 13 mph increasing to 16 to 21 mph after midnight. Winds could gust as high as 32 mph.

    Low: 36 °F

    Slight Chance
    Showers and
    Patchy Fog

  • Thanksgiving Day

    Thanksgiving Day: Mostly sunny, with a high near 45. Breezy, with a west wind 20 to 22 mph, with gusts as high as 34 mph.

    High: 45 °F

    Mostly Sunny
    and Breezy

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 29. Breezy, with a west wind around 22 mph, with gusts as high as 38 mph.

    Low: 29 °F

    Mostly Clear
    and Breezy

  • Friday

    Friday: Mostly sunny, with a high near 41. Windy.

    High: 41 °F

    Mostly Sunny
    and Windy

  • Friday Night

    Friday Night: Mostly clear, with a low around 27. Breezy.

    Low: 27 °F

    Partly Cloudy
    and Breezy
    then Mostly
    Clear

  • Saturday

    Saturday: Sunny, with a high near 41.

    High: 41 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 27.

    Low: 27 °F

    Partly Cloudy

Detailed Forecast

Overnight
Showers before 4am. Patchy fog. Low around 48. South wind 11 to 17 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
A 50 percent chance of showers, mainly between 7am and 4pm. Patchy fog. Otherwise, cloudy, with a high near 58. South wind 9 to 11 mph.
Wednesday Night
A 20 percent chance of showers before 1am. Patchy fog before 1am. Otherwise, cloudy during the early evening, then gradual clearing, with a low around 36. Breezy, with a west wind 8 to 13 mph increasing to 16 to 21 mph after midnight. Winds could gust as high as 32 mph.
Thanksgiving Day
Mostly sunny, with a high near 45. Breezy, with a west wind 20 to 22 mph, with gusts as high as 34 mph.
Thursday Night
Mostly clear, with a low around 29. Breezy, with a west wind around 22 mph, with gusts as high as 38 mph.
Friday
Mostly sunny, with a high near 41. Windy.
Friday Night
Mostly clear, with a low around 27. Breezy.
Saturday
Sunny, with a high near 41.
Saturday Night
Partly cloudy, with a low around 27.
Sunday
Mostly cloudy, with a high near 50.
Sunday Night
A 50 percent chance of rain. Cloudy, with a low around 38.
Monday
A 40 percent chance of rain. Mostly cloudy, with a high near 48.
Monday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 29.
Tuesday
Rain likely. Mostly cloudy, with a high near 41. Chance of precipitation is 60%.
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ABOUT THIS FORECAST

 
Point Forecast:
Groton / New London Airport CT
 41.34°N 72.05°W (Elev. 49 ft)
Last Update:
1:00 am EST Nov 26, 2025
Forecast Valid:
1am EST Nov 26, 2025-6pm EST Dec 2, 2025
 
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Additional Resources

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