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.

Fog/Mist

46°F

8°C

Humidity 96%
Wind Speed W 9 G 18 mph
Barometer 29.25 in (990.5 mb)
Dewpoint 45°F (7°C)
Visibility 1.00 mi
Wind Chill41°F (5°C)
Last update 29 Dec 3:56 pm EST
Extended Forecast for

Groton CTSimilar City Names

Wind Advisory until December 30, 06:00pm
Click here for hazard details and duration
Wind Advisory
  •  
    Wind Advisory until December 30, 06:00pm

    NOW until 6:00pm Tue

    Wind Advisory

  • This Afternoon

    High: 50 °F

    Chance Rain

  • Tonight

    Tonight: A 30 percent chance of rain before 7pm. Partly cloudy, with a low around 28. Wind chill values between 15 and 25. Windy, with a west wind 26 to 29 mph, with gusts as high as 40 mph.

    Low: 28 °F

    Windy. Chance
    Rain then
    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 31. Wind chill values between 15 and 20. Windy, with a west wind 25 to 28 mph, with gusts as high as 43 mph.

    High: 31 °F

    Partly Sunny
    and Windy

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 27. Wind chill values between 15 and 20. Windy, with a west wind 20 to 28 mph.

    Low: 27 °F

    Partly Cloudy
    and Windy

  • Wednesday

    Wednesday: Partly sunny, with a high near 34. West wind around 17 mph.

    High: 34 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A 30 percent chance of snow. Mostly cloudy, with a low around 25.

    Low: 25 °F

    Chance Snow

  • New Year's Day

    New Year's Day: Mostly sunny, with a high near 30.

    High: 30 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 21.

    Low: 21 °F

    Mostly Clear

Detailed Forecast

This Afternoon
A 30 percent chance of rain. Mostly cloudy, with a high near 50. West wind around 18 mph, with gusts as high as 30 mph.
Tonight
A 30 percent chance of rain before 7pm. Partly cloudy, with a low around 28. Wind chill values between 15 and 25. Windy, with a west wind 26 to 29 mph, with gusts as high as 40 mph.
Tuesday
Partly sunny, with a high near 31. Wind chill values between 15 and 20. Windy, with a west wind 25 to 28 mph, with gusts as high as 43 mph.
Tuesday Night
Partly cloudy, with a low around 27. Wind chill values between 15 and 20. Windy, with a west wind 20 to 28 mph.
Wednesday
Partly sunny, with a high near 34. West wind around 17 mph.
Wednesday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 25.
New Year's Day
Mostly sunny, with a high near 30.
Thursday Night
Mostly clear, with a low around 21.
Friday
Mostly sunny, with a high near 30.
Friday Night
Partly cloudy, with a low around 25.
Saturday
Mostly sunny, with a high near 34.
Saturday Night
Partly cloudy, with a low around 23.
Sunday
Mostly sunny, with a high near 32.
Sunday Night
Mostly cloudy, with a low around 25.
Monday
Mostly cloudy, with a high near 36.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Groton CTSimilar City Names
 41.32°N 72.09°W (Elev. 3 ft)
Last Update:
3:54 pm EST Dec 29, 2025
Forecast Valid:
4pm EST Dec 29, 2025-6pm EST Jan 5, 2026
 
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Additional Resources

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High Temperature

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Chance of Precipitation