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
71°F
Mostly Clear
Mostly clear, with a low around 71. Wind around 0 mph.
7-day forecast for Oak Grove
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 71°F | Mostly Clear | 0 mph | 0% |
| Tuesday | 93°F | Sunny | 0 to 5 mph NNW | 1% |
| Tuesday Night | 72°F | Mostly Clear | 0 mph | 0% |
| Wednesday | 95°F | Sunny | 0 to 5 mph NW | 3% |
| Wednesday Night | 72°F | Mostly Clear | 0 to 5 mph SSW | 2% |
| Thursday | 95°F | Patchy Fog then Slight Chance Showers And Thunderstorms | 0 to 5 mph SSE | 22% |
| Thursday Night | 72°F | Slight Chance Showers And Thunderstorms then Patchy Fog | 0 to 5 mph S | 22% |
| Friday | 94°F | Patchy Fog then Sunny | 0 to 5 mph E | 14% |
| Friday Night | 73°F | Partly Cloudy then Slight Chance Rain Showers | 0 to 5 mph SSE | 15% |
| Saturday | 94°F | Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms | 0 to 5 mph E | 16% |
| Saturday Night | 74°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph SE | 16% |
| Sunday | 93°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 to 5 mph SE | 48% |
| Sunday Night | 73°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph SSE | 48% |
| Monday | 93°F | Chance Showers And Thunderstorms | 0 to 5 mph S | 46% |
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 Aug 4, 2026.