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

31°F

-1°C

Humidity 92%
Wind Speed W 6 mph
Barometer 30.10 in (1019.1 mb)
Dewpoint 29°F (-2°C)
Visibility 8.00 mi
Wind Chill25°F (-4°C)
Last update 17 Jan 11:56 pm EST
Extended Forecast for

Conning Towers-Nautilus Park CT

Winter Weather Advisory January 18, 10:00am until January 18, 10:00pm
Click here for hazard details and duration
Winter Weather Advisory

  • Overnight

    Overnight: A 20 percent chance of snow after 4am. Mostly cloudy, with a low around 29. Calm wind.

    Low: 29 °F

    Slight Chance
    Snow

  • Sunday

    Sunday: Periods of snow, mainly after 7am. High near 35. Calm wind becoming northeast around 6 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

    High: 35 °F

    Snow

  • Sunday Night

    Sunday Night: Snow likely before 1am. Cloudy, then gradually becoming partly cloudy, with a low around 22. Light and variable wind. Chance of precipitation is 60%. New snow accumulation of 1 to 3 inches possible.

    Low: 22 °F

    Snow Likely

  • M.L.King Day

    M.L.King Day: Mostly sunny, with a high near 33. Wind chill values between 15 and 25. Light west wind becoming southwest 8 to 13 mph in the morning. Winds could gust as high as 24 mph.

    High: 33 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 17. West wind around 8 mph, with gusts as high as 22 mph.

    Low: 17 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 25.

    High: 25 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 11.

    Low: 11 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 37.

    High: 37 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 27.

    Low: 27 °F

    Mostly Cloudy

Detailed Forecast

Overnight
A 20 percent chance of snow after 4am. Mostly cloudy, with a low around 29. Calm wind.
Sunday
Periods of snow, mainly after 7am. High near 35. Calm wind becoming northeast around 6 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
Sunday Night
Snow likely before 1am. Cloudy, then gradually becoming partly cloudy, with a low around 22. Light and variable wind. Chance of precipitation is 60%. New snow accumulation of 1 to 3 inches possible.
M.L.King Day
Mostly sunny, with a high near 33. Wind chill values between 15 and 25. Light west wind becoming southwest 8 to 13 mph in the morning. Winds could gust as high as 24 mph.
Monday Night
Partly cloudy, with a low around 17. West wind around 8 mph, with gusts as high as 22 mph.
Tuesday
Mostly sunny, with a high near 25.
Tuesday Night
Mostly clear, with a low around 11.
Wednesday
Mostly sunny, with a high near 37.
Wednesday Night
Mostly cloudy, with a low around 27.
Thursday
Partly sunny, with a high near 38.
Thursday Night
Partly cloudy, with a low around 18.
Friday
Mostly sunny, with a high near 31.
Friday Night
Partly cloudy, with a low around 21.
Saturday
Partly sunny, with a high near 32.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Conning Towers-Nautilus Park CT
 41.39°N 72.07°W (Elev. 200 ft)
Last Update:
5:41 pm EST Jan 17, 2026
Forecast Valid:
12am EST Jan 18, 2026-6pm EST Jan 24, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation