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Hartsdale, NY Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Hartsdale, a community in Westchester County, New York.

Today
83°F
Mostly Sunny
Mostly sunny, with a high near 83. Northeast wind around 5 mph.

7-day forecast for Hartsdale

WhenTempForecastWindPrecip
Today 83°F Mostly Sunny 5 mph NE 0%
Tonight 65°F Mostly Cloudy 3 mph SE 2%
Wednesday 82°F Partly Sunny then Chance Showers And Thunderstorms 2 to 6 mph SE 28%
Wednesday Night 70°F Chance Showers And Thunderstorms 6 mph S 31%
Thursday 88°F Chance Showers And Thunderstorms 3 to 8 mph SW 46%
Thursday Night 72°F Chance Showers And Thunderstorms then Partly Cloudy 3 to 7 mph SW 44%
Friday 89°F Mostly Sunny then Chance Showers And Thunderstorms 3 to 7 mph SW 43%
Friday Night 72°F Chance Showers And Thunderstorms 5 mph SW 41%
Saturday 86°F Partly Sunny then Chance Showers And Thunderstorms 3 to 8 mph W 35%
Saturday Night 71°F Chance Showers And Thunderstorms 3 to 7 mph W 35%
Sunday 88°F Mostly Sunny then Slight Chance Showers And Thunderstorms 3 to 7 mph W 15%
Sunday Night 72°F Slight Chance Showers And Thunderstorms then Mostly Clear 6 mph SW 15%
Monday 89°F Sunny 3 to 10 mph W 14%
Monday Night 70°F Slight Chance Rain Showers 5 to 9 mph W 16%

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

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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 Aug 4, 2026.