Chappaqua, NY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Chappaqua, a community in Westchester County, New York.
Today
83°F
Mostly Sunny
Mostly sunny, with a high near 83. Northeast wind around 3 mph.
7-day forecast for Chappaqua
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 83°F | Mostly Sunny | 3 mph NE | 0% |
| Tonight | 63°F | Mostly Cloudy | 2 mph SE | 1% |
| Wednesday | 82°F | Partly Sunny then Slight Chance Showers And Thunderstorms | 5 mph S | 23% |
| Wednesday Night | 69°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 5 mph S | 32% |
| Thursday | 87°F | Chance Showers And Thunderstorms | 2 to 7 mph SW | 51% |
| Thursday Night | 71°F | Chance Showers And Thunderstorms then Partly Cloudy | 6 mph SW | 48% |
| Friday | 88°F | Mostly Sunny then Chance Showers And Thunderstorms | 6 mph SW | 43% |
| Friday Night | 70°F | Chance Showers And Thunderstorms | 5 mph SW | 41% |
| Saturday | 86°F | Partly Sunny then Chance Showers And Thunderstorms | 2 to 7 mph W | 35% |
| Saturday Night | 69°F | Chance Showers And Thunderstorms | 5 mph W | 35% |
| Sunday | 87°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 2 to 6 mph W | 15% |
| Sunday Night | 70°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 5 mph SW | 15% |
| Monday | 88°F | Sunny | 2 to 9 mph W | 14% |
| Monday Night | 68°F | Slight Chance Rain Showers | 3 to 7 mph W | 16% |
Forecast source: National Weather Service (api.weather.gov) for Chappaqua (41.156, -73.768). Updated through the day.
Growing snapshot for Chappaqua
Last spring frost
Apr 25
First fall frost
Oct 19
Growing season
174 days
Hardiness zone
7a
More local growing data for Chappaqua: nearby ZIP 10514 weather · frost dates · planting calendar · New York frost dates
Nearby towns & communities
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Eastchester
Elmsford
Fairview
Golden's Bridge
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Hartsdale
Hastings-on-Hudson
Hawthorne
Heritage Hills
Irvington
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Lake Mohegan
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Mamaroneck
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Climate data from the nearest NOAA station, Yorktown Hts 1W, Ny (6.7 mi from Chappaqua). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.