Oak Grove, MS Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Oak Grove, a community in Lamar County, Mississippi.
This Afternoon
81°F
Partly Sunny
Partly sunny. High near 81, with temperatures falling to around 77 in the afternoon. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.
7-day forecast for Oak Grove
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 81°F | Partly Sunny | 5 to 10 mph SSE | 8% |
| Tonight | 64°F | Mostly Cloudy | 0 to 5 mph S | 9% |
| Wednesday | 81°F | Chance Rain Showers | 5 mph WSW | 33% |
| Wednesday Night | 54°F | Partly Cloudy then Patchy Fog | 0 mph | 1% |
| Thursday | 82°F | Sunny | 0 mph | 5% |
| Thursday Night | 54°F | Partly Cloudy then Slight Chance Rain Showers | 0 mph | 16% |
| Friday | 80°F | Mostly Sunny | 0 to 5 mph NNW | 7% |
| Friday Night | 49°F | Mostly Clear | 5 mph N | 2% |
| Saturday | 74°F | Mostly Sunny | 5 to 10 mph N | 3% |
| Saturday Night | 43°F | Partly Cloudy | 5 mph N | 8% |
| Sunday | 69°F | Mostly Sunny | 5 to 10 mph N | 9% |
| Sunday Night | 40°F | Mostly Clear | 5 mph N | 3% |
| Monday | 72°F | Sunny | 5 to 10 mph N | 2% |
| Monday Night | 40°F | Mostly Clear | 0 to 5 mph NNW | 2% |
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 Nov 4, 2026.