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.

Overcast

68°F

20°C

Humidity 93%
Wind Speed Calm
Barometer 30.26 in (1024.1 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 17 Sep 4:56 am EDT
Extended Forecast for

Chappaqua NY

  • Today

    Today: Mostly cloudy, with a high near 80. Calm wind becoming south 5 to 7 mph in the afternoon.

    High: 80 °F

    Mostly Cloudy

  • Tonight

    Tonight: A 40 percent chance of showers, mainly after 2am. Mostly cloudy, with a low around 65. South wind around 5 mph becoming light and variable in the evening.

    Low: 65 °F

    Chance
    Showers

  • Friday

    Friday: Mostly sunny, with a high near 77. North wind 7 to 9 mph.

    High: 77 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 53. North wind around 7 mph.

    Low: 53 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 69. Northeast wind around 6 mph becoming light and variable in the afternoon.

    High: 69 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 50 percent chance of showers after 2am. Increasing clouds, with a low around 55.

    Low: 55 °F

    Mostly Cloudy
    then Chance
    Showers

  • Sunday

    Sunday: Showers, mainly after 8am. High near 67. Chance of precipitation is 90%.

    High: 67 °F

    Showers

  • Sunday Night

    Sunday Night: A 50 percent chance of showers before 2am. Mostly cloudy, with a low around 53.

    Low: 53 °F

    Chance
    Showers

  • Monday

    Monday: Partly sunny, with a high near 66.

    High: 66 °F

    Partly Sunny

Detailed Forecast

Today
Mostly cloudy, with a high near 80. Calm wind becoming south 5 to 7 mph in the afternoon.
Tonight
A 40 percent chance of showers, mainly after 2am. Mostly cloudy, with a low around 65. South wind around 5 mph becoming light and variable in the evening.
Friday
Mostly sunny, with a high near 77. North wind 7 to 9 mph.
Friday Night
Partly cloudy, with a low around 53. North wind around 7 mph.
Saturday
Mostly sunny, with a high near 69. Northeast wind around 6 mph becoming light and variable in the afternoon.
Saturday Night
A 50 percent chance of showers after 2am. Increasing clouds, with a low around 55.
Sunday
Showers, mainly after 8am. High near 67. Chance of precipitation is 90%.
Sunday Night
A 50 percent chance of showers before 2am. Mostly cloudy, with a low around 53.
Monday
Partly sunny, with a high near 66.
Monday Night
Mostly cloudy, with a low around 51.
Tuesday
Partly sunny, with a high near 64.
Tuesday Night
Partly cloudy, with a low around 49.
Wednesday
Mostly sunny, with a high near 65.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Chappaqua NY
 41.17°N 73.77°W (Elev. 545 ft)
Last Update:
1:55 am EDT Sep 17, 2026
Forecast Valid:
5am EDT Sep 17, 2026-6pm EDT Sep 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