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.

Fair

55°F

13°C

Humidity 67%
Wind Speed NW 5 mph
Barometer 30.43 in (1030.4 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Wind Chill54°F (12°C)
Last update 10 Oct 8:56 am EDT
Extended Forecast for

Chappaqua NY

  • Today

    Today: Partly sunny, with a high near 66. North wind around 5 mph becoming calm in the afternoon.

    High: 66 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 47. Calm wind.

    Low: 47 °F

    Mostly Cloudy

  • Sunday

    Sunday: Rain, mainly after 2pm. High near 63. East wind 5 to 8 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 63 °F

    Chance Rain
    then Rain

  • Sunday Night

    Sunday Night: Rain and possibly a thunderstorm before 2am, then a chance of rain and thunderstorms after 2am. Steady temperature around 59. East wind 7 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 59 °F

    Rain

  • Columbus Day

    Columbus Day: A 30 percent chance of rain before 8am. Cloudy through mid morning, then gradual clearing, with a high near 69. North wind around 8 mph.

    High: 69 °F

    Chance Rain
    then Mostly
    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 54.

    Low: 54 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 40 percent chance of showers after 2pm. Partly sunny, with a high near 70.

    High: 70 °F

    Partly Sunny
    then Chance
    Showers

  • Tuesday Night

    Tuesday Night: A 50 percent chance of showers before 2am. Mostly cloudy, with a low around 52.

    Low: 52 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Mostly sunny, with a high near 64.

    High: 64 °F

    Mostly Sunny

Detailed Forecast

Today
Partly sunny, with a high near 66. North wind around 5 mph becoming calm in the afternoon.
Tonight
Mostly cloudy, with a low around 47. Calm wind.
Sunday
Rain, mainly after 2pm. High near 63. East wind 5 to 8 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
Rain and possibly a thunderstorm before 2am, then a chance of rain and thunderstorms after 2am. Steady temperature around 59. East wind 7 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Columbus Day
A 30 percent chance of rain before 8am. Cloudy through mid morning, then gradual clearing, with a high near 69. North wind around 8 mph.
Monday Night
Partly cloudy, with a low around 54.
Tuesday
A 40 percent chance of showers after 2pm. Partly sunny, with a high near 70.
Tuesday Night
A 50 percent chance of showers before 2am. Mostly cloudy, with a low around 52.
Wednesday
Mostly sunny, with a high near 64.
Wednesday Night
Partly cloudy, with a low around 44.
Thursday
Sunny, with a high near 62.
Thursday Night
Mostly cloudy, with a low around 47.
Friday
A 40 percent chance of showers. Mostly cloudy, with a high near 63.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Chappaqua NY
 41.17°N 73.74°W (Elev. 404 ft)
Last Update:
2:11 am EDT Oct 10, 2026
Forecast Valid:
9am EDT Oct 10, 2026-6pm EDT Oct 16, 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