Hartsdale, NY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Hartsdale, a community in Westchester County, New York.
This Afternoon
69°F
Partly Sunny
Partly sunny, with a high near 69. East wind around 6 mph.
7-day forecast for Hartsdale
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 69°F | Partly Sunny | 6 mph E | 0% |
| Tonight | 57°F | Mostly Cloudy | 6 mph SE | 7% |
| Sunday | 69°F | Rain Showers then Rain | 7 to 10 mph SE | 91% |
| Sunday Night | 55°F | Rain then Rain Showers Likely | 5 to 13 mph NW | 84% |
| Monday | 68°F | Slight Chance Rain Showers | 8 to 12 mph NE | 18% |
| Monday Night | 52°F | Chance Rain Showers | 9 mph NE | 26% |
| Tuesday | 63°F | Chance Rain Showers | 10 mph NE | 26% |
| Tuesday Night | 50°F | Slight Chance Rain Showers then Mostly Cloudy | 9 to 13 mph NE | 23% |
| Wednesday | 64°F | Partly Sunny | 14 mph NE | 8% |
| Wednesday Night | 50°F | Slight Chance Rain Showers | 15 mph NE | 20% |
| Thursday | 63°F | Chance Rain Showers | 15 mph NE | 28% |
| Thursday Night | 50°F | Chance Rain Showers | 16 mph NE | 35% |
| Friday | 64°F | Chance Rain Showers | 14 to 17 mph N | 39% |
| Friday Night | 51°F | Chance Rain Showers | 13 to 17 mph N | 36% |
Forecast source: National Weather Service (api.weather.gov) for Hartsdale (41.015, -73.804). Updated through the day.
Growing snapshot for Hartsdale
Last spring frost
Apr 20
First fall frost
Oct 26
Growing season
189 days
Hardiness zone
7a
More local growing data for Hartsdale: nearby ZIP 10530 weather · frost dates · planting calendar · New York frost dates
Nearby towns & communities
Ardsley
Armonk
Bedford
Bedford Hills
Briarcliff Manor
Bronxville
Buchanan
Chappaqua
Crompond
Croton-on-Hudson
Crugers
Dobbs Ferry
Eastchester
Elmsford
Fairview
Golden's Bridge
Greenville
Harrison
Hastings-on-Hudson
Hawthorne
Heritage Hills
Irvington
Jefferson Valley-Yorktown
Katonah
Lake Mohegan
Larchmont
Lincolndale
Mamaroneck
Millwood
Montrose
Climate data from the nearest NOAA station, Dobbs Ferry-Ardsley, Ny (1.6 mi from Hartsdale). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.