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

White Plains - Westchester County Airport (KHPN)

Lat: 41.06°NLon: 73.7°WElev: 367ft.

Mostly Cloudy

34°F

1°C

Humidity 76%
Wind Speed W 7 mph
Barometer 29.92 in (1013.7 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill28°F (-2°C)
Last update 12 Mar 8:56 pm EDT
Extended Forecast for

Chappaqua NY

  • Tonight

    Tonight: Mostly clear, with a low around 28. West wind 9 to 13 mph.

    Low: 28 °F

    Mostly Clear

  • Friday

    Friday: Increasing clouds, with a high near 44. Wind chill values between 25 and 35. West wind 5 to 15 mph becoming south in the afternoon.

    High: 44 °F

    Increasing
    Clouds

  • Friday Night

    Friday Night: A 20 percent chance of rain before 2am. Partly cloudy, with a low around 36. South wind 11 to 14 mph, with gusts as high as 31 mph.

    Low: 36 °F

    Slight Chance
    Rain

  • Saturday

    Saturday: Sunny, with a high near 49. West wind around 18 mph, with gusts as high as 33 mph.

    High: 49 °F

    Sunny

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 30. Northwest wind 5 to 10 mph becoming light after midnight. Winds could gust as high as 21 mph.

    Low: 30 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Mostly cloudy, with a high near 48.

    High: 48 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Rain, mainly after 2am. Low around 40. Chance of precipitation is 90%.

    Low: 40 °F

    Chance Rain
    then Rain

  • Monday

    Monday: Rain. High near 59. Breezy. Chance of precipitation is 100%.

    High: 59 °F

    Rain and
    Breezy

  • Monday Night

    Monday Night: Rain before 2am. Low around 34. Breezy. Chance of precipitation is 80%.

    Low: 34 °F

    Rain and
    Breezy

Detailed Forecast

Tonight
Mostly clear, with a low around 28. West wind 9 to 13 mph.
Friday
Increasing clouds, with a high near 44. Wind chill values between 25 and 35. West wind 5 to 15 mph becoming south in the afternoon.
Friday Night
A 20 percent chance of rain before 2am. Partly cloudy, with a low around 36. South wind 11 to 14 mph, with gusts as high as 31 mph.
Saturday
Sunny, with a high near 49. West wind around 18 mph, with gusts as high as 33 mph.
Saturday Night
Increasing clouds, with a low around 30. Northwest wind 5 to 10 mph becoming light after midnight. Winds could gust as high as 21 mph.
Sunday
Mostly cloudy, with a high near 48.
Sunday Night
Rain, mainly after 2am. Low around 40. Chance of precipitation is 90%.
Monday
Rain. High near 59. Breezy. Chance of precipitation is 100%.
Monday Night
Rain before 2am. Low around 34. Breezy. Chance of precipitation is 80%.
Tuesday
Mostly sunny, with a high near 43.
Tuesday Night
Partly cloudy, with a low around 23.
Wednesday
Sunny, with a high near 37.
Wednesday Night
Partly cloudy, with a low around 26.
Thursday
Partly sunny, with a high near 42.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Chappaqua NY
 41.17°N 73.74°W (Elev. 404 ft)
Last Update:
6:03 pm EDT Mar 12, 2026
Forecast Valid:
9pm EDT Mar 12, 2026-6pm EDT Mar 19, 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