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

Hazardous Weather Conditions

Current conditions at

White Plains - Westchester County Airport (KHPN)

Lat: 41.06°NLon: 73.7°WElev: 367ft.

A Few Clouds

44°F

7°C

Humidity 68%
Wind Speed Calm
Barometer 30.05 in (1018.0 mb)
Dewpoint 34°F (1°C)
Visibility 7.00 mi
Last update 17 Feb 1:56 pm EST
Extended Forecast for

New Canaan CT

Dense Fog Advisory February 17, 10:00pm until February 18, 10:00am
Click here for hazard details and duration
Dense Fog Advisory

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 44. Southwest wind around 6 mph.

    High: 44 °F

    Partly Sunny

  • Tonight

    Tonight: Widespread dense fog, mainly between 1am and 4am. Otherwise, increasing clouds, with a low around 32. Calm wind.

    Low: 32 °F

    Mostly Cloudy
    then Dense
    Fog

  • Wednesday

    Wednesday: Rain. Areas of dense fog before 10am. High near 39. Light and variable wind. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 39 °F

    Rain and
    Areas Dense
    Fog

  • Wednesday Night

    Wednesday Night: Rain likely, mainly before 10pm. Cloudy, with a low around 32. Calm wind becoming northeast around 5 mph after midnight. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 32 °F

    Rain Likely
    then Chance
    Rain

  • Thursday

    Thursday: Mostly cloudy, with a high near 39. East wind around 6 mph.

    High: 39 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: A chance of rain and snow after 1am. Mostly cloudy, with a low around 30. Chance of precipitation is 40%.

    Low: 30 °F

    Mostly Cloudy
    then Chance
    Rain/Snow

  • Friday

    Friday: Rain. High near 39. Chance of precipitation is 90%.

    High: 39 °F

    Rain

  • Friday Night

    Friday Night: Rain likely before 1am. Mostly cloudy, with a low around 32. Chance of precipitation is 60%.

    Low: 32 °F

    Rain Likely

  • Saturday

    Saturday: Mostly cloudy, with a high near 42.

    High: 42 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
Partly sunny, with a high near 44. Southwest wind around 6 mph.
Tonight
Widespread dense fog, mainly between 1am and 4am. Otherwise, increasing clouds, with a low around 32. Calm wind.
Wednesday
Rain. Areas of dense fog before 10am. High near 39. Light and variable wind. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
Rain likely, mainly before 10pm. Cloudy, with a low around 32. Calm wind becoming northeast around 5 mph after midnight. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Mostly cloudy, with a high near 39. East wind around 6 mph.
Thursday Night
A chance of rain and snow after 1am. Mostly cloudy, with a low around 30. Chance of precipitation is 40%.
Friday
Rain. High near 39. Chance of precipitation is 90%.
Friday Night
Rain likely before 1am. Mostly cloudy, with a low around 32. Chance of precipitation is 60%.
Saturday
Mostly cloudy, with a high near 42.
Saturday Night
Mostly cloudy, with a low around 28.
Sunday
A 50 percent chance of snow. Mostly cloudy, with a high near 35.
Sunday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 27.
Monday
A 40 percent chance of snow. Mostly cloudy, with a high near 34.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
New Canaan CT
 41.16°N 73.51°W (Elev. 390 ft)
Last Update:
12:51 pm EST Feb 17, 2026
Forecast Valid:
2pm EST Feb 17, 2026-6pm EST Feb 23, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation