Hartsdale, NY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Hartsdale, a community in Westchester County, New York.
Today
73°F
Sunny
Sunny. High near 73, with temperatures falling to around 66 in the afternoon. South wind 5 to 8 mph.
7-day forecast for Hartsdale
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 73°F | Sunny | 5 to 8 mph S | 0% |
| Tonight | 58°F | Partly Cloudy | 5 mph S | 0% |
| Thursday | 71°F | Chance Rain Showers | 5 to 9 mph S | 25% |
| Thursday Night | 60°F | Rain Showers Likely | 3 to 7 mph S | 65% |
| Friday | 69°F | Rain Showers | 3 mph S | 85% |
| Friday Night | 52°F | Rain Showers Likely | 5 mph N | 68% |
| Saturday | 64°F | Mostly Sunny then Slight Chance Rain Showers | 8 mph NW | 16% |
| Saturday Night | 44°F | Slight Chance Light Rain | 8 mph W | 24% |
| Sunday | 58°F | Slight Chance Light Rain then Mostly Sunny | 9 mph NW | 15% |
| Sunday Night | 39°F | Partly Cloudy | 7 mph W | 4% |
| Monday | 57°F | Sunny | 8 to 13 mph W | 11% |
| Monday Night | 38°F | Mostly Clear | 8 mph W | 11% |
| Tuesday | 60°F | Sunny | 6 to 12 mph SW | 4% |
| Tuesday Night | 39°F | Mostly Clear | 8 mph W | 1% |
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
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Dobbs Ferry
Eastchester
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Fairview
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Greenville
Harrison
Hastings-on-Hudson
Hawthorne
Heritage Hills
Irvington
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Katonah
Lake Mohegan
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Lincolndale
Mamaroneck
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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 Nov 4, 2026.