Hattiesburg, MS Weather & Growing Conditions
This Afternoon
97°F
Sunny
Sunny, with a high near 97. Heat index values as high as 102. Southeast wind 0 to 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 97°F | Sunny | 0 to 5 mph SE | 0% |
| Tonight | 72°F | Mostly Clear | 0 to 5 mph SW | 2% |
| Sunday | 97°F | Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph NW | 20% |
| Sunday Night | 73°F | Mostly Clear | 0 to 5 mph SSW | 12% |
| Monday | 97°F | Sunny then Chance Showers And Thunderstorms | 0 to 5 mph N | 25% |
| Monday Night | 72°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 25% |
| Tuesday | 96°F | Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph NE | 15% |
| Tuesday Night | 72°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph NE | 15% |
| Wednesday | 95°F | Sunny | 0 to 10 mph NNE | 5% |
| Wednesday Night | 70°F | Mostly Clear | 0 to 5 mph NE | 5% |
| Thursday | 93°F | Sunny | 5 to 10 mph NNE | 1% |
| Thursday Night | 68°F | Mostly Clear | 5 mph NNE | 1% |
| Friday | 91°F | Sunny | 5 to 10 mph NNE | 2% |
| Friday Night | 66°F | Partly Cloudy | 0 to 5 mph NNE | 2% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Hattiesburg, MS
Last spring frost
Mar 8
First fall frost
Nov 15
Growing season
252 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 Chain Muni Ap, Ms (3.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.