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

50°F

10°C

Humidity 74%
Wind Speed Vrbl 5 mph
Barometer 30.46 in (1031.4 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Wind Chill48°F (9°C)
Last update 24 Sep 12:56 am EDT
Extended Forecast for

Chappaqua NY

  • Overnight

    Overnight: Clear, with a low around 47. Northeast wind around 11 mph.

    Low: 47 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 65. Northeast wind 13 to 15 mph.

    High: 65 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 50. North wind 11 to 14 mph.

    Low: 50 °F

    Mostly Cloudy

  • Friday

    Friday: A 30 percent chance of showers after 2pm. Partly sunny, with a high near 66. North wind around 15 mph, with gusts as high as 26 mph.

    High: 66 °F

    Partly Sunny
    then Chance
    Showers

  • Friday Night

    Friday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 52. North wind around 16 mph, with gusts as high as 29 mph.

    Low: 52 °F

    Chance
    Showers

  • Saturday

    Saturday: A 50 percent chance of showers. Mostly cloudy, with a high near 63.

    High: 63 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Showers likely, mainly before 2am. Mostly cloudy, with a low around 53. Chance of precipitation is 60%.

    Low: 53 °F

    Showers
    Likely

  • Sunday

    Sunday: A 50 percent chance of showers. Mostly cloudy, with a high near 63.

    High: 63 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: A 30 percent chance of showers before 2am. Mostly cloudy, with a low around 53.

    Low: 53 °F

    Chance
    Showers

Detailed Forecast

Overnight
Clear, with a low around 47. Northeast wind around 11 mph.
Thursday
Sunny, with a high near 65. Northeast wind 13 to 15 mph.
Thursday Night
Mostly cloudy, with a low around 50. North wind 11 to 14 mph.
Friday
A 30 percent chance of showers after 2pm. Partly sunny, with a high near 66. North wind around 15 mph, with gusts as high as 26 mph.
Friday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 52. North wind around 16 mph, with gusts as high as 29 mph.
Saturday
A 50 percent chance of showers. Mostly cloudy, with a high near 63.
Saturday Night
Showers likely, mainly before 2am. Mostly cloudy, with a low around 53. Chance of precipitation is 60%.
Sunday
A 50 percent chance of showers. Mostly cloudy, with a high near 63.
Sunday Night
A 30 percent chance of showers before 2am. Mostly cloudy, with a low around 53.
Monday
Partly sunny, with a high near 67.
Monday Night
Partly cloudy, with a low around 52.
Tuesday
Mostly sunny, with a high near 69.
Tuesday Night
Partly cloudy, with a low around 53.
Wednesday
Mostly sunny, with a high near 73.
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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:
5:46 pm EDT Sep 23, 2026
Forecast Valid:
1am EDT Sep 24, 2026-6pm EDT Sep 30, 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