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Lake Grove, NY Weather & Growing Conditions

Live forecast is briefly unavailable; the local growing information below is from NOAA climate normals.

Growing snapshot for Lake Grove, NY

Last spring frost
Apr 10
First fall frost
Nov 2
Growing season
207 days
Hardiness zone
7b

Explore more for Lake Grove, NY: full frost dates · planting calendar · New York frost dates

Climate data from the nearest NOAA station, Islip Li Macarthur Ap, Ny (4.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.