Oak Grove, MS Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Oak Grove, a community in Lamar County, Mississippi.
Overnight
70°F
Mostly Clear
Mostly clear, with a low around 70. West southwest wind around 0 mph.
7-day forecast for Oak Grove
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 70°F | Mostly Clear | 0 mph | 0% |
| Saturday | 97°F | Sunny | 0 to 5 mph N | 2% |
| Saturday Night | 72°F | Mostly Clear | 0 to 5 mph SW | 4% |
| Sunday | 97°F | Sunny | 0 to 5 mph NNW | 10% |
| Sunday Night | 71°F | Mostly Clear | 0 mph | 10% |
| Monday | 96°F | Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph NNE | 21% |
| Monday Night | 72°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 21% |
| Tuesday | 95°F | Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph NNE | 19% |
| Tuesday Night | 71°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph E | 19% |
| Wednesday | 94°F | Sunny | 0 to 10 mph NNE | 6% |
| Wednesday Night | 70°F | Mostly Clear | 5 mph NNE | 6% |
| Thursday | 90°F | Sunny | 5 to 10 mph NNE | 4% |
| Thursday Night | 67°F | Mostly Clear | 5 mph NNE | 4% |
| Friday | 89°F | Sunny | 5 to 10 mph NNE | 1% |
Forecast source: National Weather Service (api.weather.gov) for Oak Grove (31.287, -89.414). Updated through the day.
Growing snapshot for Oak Grove
Last spring frost
Mar 7
First fall frost
Nov 23
Growing season
261 days
Hardiness zone
8b
More local growing data for Oak Grove: nearby ZIP 39402 weather · frost dates · planting calendar · Mississippi frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Hattiesburg 5Sw, Ms (7 mi from Oak Grove). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.