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.

Fog/Mist

31°F

-1°C

Humidity 89%
Wind Speed Calm
Barometer 29.97 in (1015.6 mb)
Dewpoint 28°F (-2°C)
Visibility 3.00 mi
Last update 18 Feb 3:56 am EST
Extended Forecast for

Upper Nyack NY

Dense Fog Advisory February 18, 04:47am until February 18, 10:00am
Click here for hazard details and duration
Dense Fog Advisory
  •  
    Dense Fog Advisory February 18, 04:47am until February 18, 10:00am

    NOW until 10:00am Wed

    Dense Fog Advisory

  • Overnight

    Low: 32 °F

    Slight Chance
    Rain and
    Dense Fog

  • Wednesday

    Wednesday: Rain, mainly after 10am. Widespread dense fog, mainly before 10am. High near 41. Calm wind. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 41 °F

    Rain and
    Dense Fog

  • Wednesday Night

    Wednesday Night: Rain, mainly before 10pm. Areas of fog before 4am. Low around 32. Calm wind becoming north around 5 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 32 °F

    Rain and
    Areas Fog
    then Slight
    Chance Rain
    and Areas Fog

  • Thursday

    Thursday: A 20 percent chance of rain after 1pm. Mostly cloudy, with a high near 41. Light and variable wind becoming east around 5 mph.

    High: 41 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Thursday Night

    Thursday Night: A chance of snow before 1am, then rain likely, possibly mixed with snow. Mostly cloudy, with a low around 32. East wind 3 to 6 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 32 °F

    Chance Snow
    then
    Rain/Snow
    Likely

  • Friday

    Friday: Rain. High near 40. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 40 °F

    Rain

  • Friday Night

    Friday Night: A 40 percent chance of rain before 1am. Mostly cloudy, with a low around 35.

    Low: 35 °F

    Chance Rain

  • Saturday

    Saturday: Partly sunny, with a high near 45.

    High: 45 °F

    Partly Sunny

Detailed Forecast

Overnight
A 20 percent chance of rain. Widespread dense fog. Otherwise, cloudy, with a low around 32. Calm wind.
Wednesday
Rain, mainly after 10am. Widespread dense fog, mainly before 10am. High near 41. Calm wind. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
Rain, mainly before 10pm. Areas of fog before 4am. Low around 32. Calm wind becoming north around 5 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
A 20 percent chance of rain after 1pm. Mostly cloudy, with a high near 41. Light and variable wind becoming east around 5 mph.
Thursday Night
A chance of snow before 1am, then rain likely, possibly mixed with snow. Mostly cloudy, with a low around 32. East wind 3 to 6 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Friday
Rain. High near 40. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Friday Night
A 40 percent chance of rain before 1am. Mostly cloudy, with a low around 35.
Saturday
Partly sunny, with a high near 45.
Saturday Night
A 30 percent chance of snow after 1am. Mostly cloudy, with a low around 30.
Sunday
A 50 percent chance of snow. Cloudy, with a high near 36.
Sunday Night
Snow likely. Cloudy, with a low around 29. Chance of precipitation is 60%.
Monday
A 30 percent chance of snow. Mostly cloudy, with a high near 37.
Monday Night
Partly cloudy, with a low around 21.
Tuesday
Sunny, with a high near 31.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Upper Nyack NY
 41.13°N 73.93°W (Elev. 190 ft)
Last Update:
1:31 am EST Feb 18, 2026
Forecast Valid:
4am EST Feb 18, 2026-6pm EST Feb 24, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation