Chappaqua, NY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Chappaqua, a community in Westchester County, New York.
Today
69°F
Partly Sunny
Partly sunny. High near 69, with temperatures falling to around 63 in the afternoon. Southwest wind 3 to 7 mph.
7-day forecast for Chappaqua
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 69°F | Partly Sunny | 3 to 7 mph SW | 0% |
| Tonight | 48°F | Partly Cloudy | 5 mph S | 0% |
| Wednesday | 73°F | Mostly Sunny | 2 to 7 mph SW | 0% |
| Wednesday Night | 54°F | Mostly Cloudy | 5 mph S | 0% |
| Thursday | 71°F | Chance Rain Showers | 5 to 8 mph S | 32% |
| Thursday Night | 59°F | Showers And Thunderstorms Likely | 6 mph S | 62% |
| Friday | 69°F | Showers And Thunderstorms | 5 mph S | 76% |
| Friday Night | 52°F | Showers And Thunderstorms then Light Rain Likely | 5 mph NW | 76% |
| Saturday | 64°F | Chance Light Rain | 6 mph NW | 51% |
| Saturday Night | 43°F | Chance Light Rain | 5 mph NW | 28% |
| Sunday | 60°F | Slight Chance Light Rain then Mostly Sunny | 6 mph NW | 17% |
| Sunday Night | 40°F | Partly Cloudy then Slight Chance Light Rain | 5 mph NW | 20% |
| Monday | 58°F | Chance Light Rain | 5 to 9 mph NW | 30% |
| Monday Night | 39°F | Chance Light Rain | 8 mph NW | 25% |
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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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 Nov 3, 2026.