Syosset, NY Weather & Growing Conditions
Live forecast is briefly unavailable; the local growing information below is from NOAA climate normals.
Growing snapshot for Syosset, NY
Last spring frost
Apr 9
First fall frost
Nov 10
Growing season
215 days
Hardiness zone
7b
Explore more for Syosset, NY: full frost dates · planting calendar · New York frost dates
Climate data from the nearest NOAA station, Centerport, Ny (7.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.