Hattiesburg, MS Weather & Growing Conditions
Live forecast is briefly unavailable; the local growing information below is from NOAA climate normals.
Growing snapshot for Hattiesburg, MS
Last spring frost
Mar 7
First fall frost
Nov 23
Growing season
261 days
Hardiness zone
8b
Explore more for Hattiesburg, MS: full frost dates · planting calendar · Mississippi frost dates
Climate data from the nearest NOAA station, Hattiesburg 5Sw, Ms (5.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.