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

73°F

23°C

Humidity 87%
Wind Speed NE 8 mph
Barometer 29.84 in (1010.0 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Last update 17 Aug 12:56 pm EDT
Extended Forecast for

Chappaqua NY

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 79. North wind around 6 mph.

    High: 79 °F

    Partly Sunny

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 11pm. Mostly cloudy, with a low around 67. Light and variable wind.

    Low: 67 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 84. North wind around 6 mph.

    High: 84 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 63. Light north wind.

    Low: 63 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 87. Calm wind becoming west around 6 mph in the afternoon.

    High: 87 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 65.

    Low: 65 °F

    Partly Cloudy

  • Thursday

    Thursday: A 50 percent chance of showers after 2pm. Partly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny
    then Chance
    Showers

  • Thursday Night

    Thursday Night: A 30 percent chance of showers before 8pm. Partly cloudy, with a low around 60.

    Low: 60 °F

    Chance
    Showers then
    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 79. North wind around 6 mph.
Tonight
A 20 percent chance of showers and thunderstorms before 11pm. Mostly cloudy, with a low around 67. Light and variable wind.
Tuesday
Mostly sunny, with a high near 84. North wind around 6 mph.
Tuesday Night
Mostly clear, with a low around 63. Light north wind.
Wednesday
Sunny, with a high near 87. Calm wind becoming west around 6 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 65.
Thursday
A 50 percent chance of showers after 2pm. Partly sunny, with a high near 82.
Thursday Night
A 30 percent chance of showers before 8pm. Partly cloudy, with a low around 60.
Friday
Mostly sunny, with a high near 81.
Friday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 61.
Saturday
A 40 percent chance of showers. Partly sunny, with a high near 78.
Saturday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 62.
Sunday
A 50 percent chance of showers. Partly sunny, with a high near 79.
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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:
11:37 am EDT Aug 17, 2026
Forecast Valid:
1pm EDT Aug 17, 2026-6pm EDT Aug 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