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

34°F

1°C

Humidity 92%
Wind Speed W 5 mph
Barometer 29.75 in (1008.2 mb)
Dewpoint 32°F (0°C)
Visibility 7.00 mi
Wind Chill29°F (-2°C)
Last update 14 Mar 4:56 am EDT
Extended Forecast for

Chappaqua NY

  • Today

    Today: Partly sunny, then gradually becoming sunny, with a high near 46. Breezy, with a west wind 9 to 14 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 39 mph.

    High: 46 °F

    Becoming
    Sunny and
    Breezy

  • Tonight

    Tonight: Increasing clouds, with a low around 28. Northwest wind 5 to 14 mph.

    Low: 28 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Mostly cloudy, with a high near 47. Wind chill values between 25 and 35 early. Northeast wind 5 to 11 mph becoming southeast in the afternoon.

    High: 47 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Rain, mainly after 2am. Temperature falling to near 41 by 9pm, then rising to around 48 during the remainder of the night. Southeast wind 9 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 41 °F⇑

    Slight Chance
    Rain then
    Rain

  • Monday

    Monday: Rain, with thunderstorms also possible after 11am. Some of the storms could produce heavy rainfall. High near 61. Breezy, with a south wind 18 to 22 mph, with gusts as high as 40 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 61 °F

    Heavy Rain
    and Breezy

  • Monday Night

    Monday Night: Rain before 5am, then a chance of rain and snow. The rain could be heavy at times. Low around 35. Windy. Chance of precipitation is 100%. Little or no snow accumulation expected.

    Low: 35 °F

    Heavy Rain
    and Windy
    then
    Rain/Snow and
    Breezy

  • Tuesday

    Tuesday: A 30 percent chance of snow before 8am. Mostly sunny, with a high near 42.

    High: 42 °F

    Chance Snow
    then Mostly
    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 23.

    Low: 23 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 39.

    High: 39 °F

    Mostly Sunny

Detailed Forecast

Today
Partly sunny, then gradually becoming sunny, with a high near 46. Breezy, with a west wind 9 to 14 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 39 mph.
Tonight
Increasing clouds, with a low around 28. Northwest wind 5 to 14 mph.
Sunday
Mostly cloudy, with a high near 47. Wind chill values between 25 and 35 early. Northeast wind 5 to 11 mph becoming southeast in the afternoon.
Sunday Night
Rain, mainly after 2am. Temperature falling to near 41 by 9pm, then rising to around 48 during the remainder of the night. Southeast wind 9 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Monday
Rain, with thunderstorms also possible after 11am. Some of the storms could produce heavy rainfall. High near 61. Breezy, with a south wind 18 to 22 mph, with gusts as high as 40 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Monday Night
Rain before 5am, then a chance of rain and snow. The rain could be heavy at times. Low around 35. Windy. Chance of precipitation is 100%. Little or no snow accumulation expected.
Tuesday
A 30 percent chance of snow before 8am. Mostly sunny, with a high near 42.
Tuesday Night
Partly cloudy, with a low around 23.
Wednesday
Mostly sunny, with a high near 39.
Wednesday Night
Mostly cloudy, with a low around 29.
Thursday
Mostly sunny, with a high near 46.
Thursday Night
Partly cloudy, with a low around 33.
Friday
Mostly sunny, with a high near 50.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Chappaqua NY
 41.15°N 73.78°W (Elev. 499 ft)
Last Update:
3:09 am EDT Mar 14, 2026
Forecast Valid:
5am EDT Mar 14, 2026-6pm EDT Mar 20, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation