Fort Polk South, LA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Fort Polk South, a community in Vernon County, Louisiana.
Today
76°F
Mostly Sunny
Mostly sunny. High near 76, with temperatures falling to around 72 in the afternoon. Northwest wind 0 to 5 mph.
7-day forecast for Fort Polk South
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 76°F | Mostly Sunny | 0 to 5 mph NW | 0% |
| Tonight | 48°F | Mostly Clear then Patchy Fog | 0 mph | 0% |
| Thursday | 79°F | Sunny | 0 mph | 0% |
| Thursday Night | 54°F | Partly Cloudy | 0 mph | 1% |
| Friday | 80°F | Sunny | 0 to 5 mph N | 1% |
| Friday Night | 52°F | Partly Cloudy | 5 mph NE | 3% |
| Saturday | 73°F | Partly Sunny | 5 to 10 mph NE | 0% |
| Saturday Night | 45°F | Mostly Cloudy then Slight Chance Rain Showers | 0 to 5 mph NE | 15% |
| Sunday | 68°F | Partly Sunny | 5 mph N | 4% |
| Sunday Night | 43°F | Mostly Clear | 0 to 5 mph N | 3% |
| Monday | 70°F | Sunny | 0 to 5 mph N | 5% |
| Monday Night | 43°F | Mostly Clear | 0 mph | 2% |
| Tuesday | 74°F | Sunny | 0 to 5 mph NE | 1% |
| Tuesday Night | 46°F | Partly Cloudy | 0 mph | 3% |
Forecast source: National Weather Service (api.weather.gov) for Fort Polk South (31.054, -93.217). Updated through the day.
Growing snapshot for Fort Polk South
Last spring frost
Mar 20
First fall frost
Nov 9
Growing season
234 days
Hardiness zone
9a
More local growing data for Fort Polk South: nearby ZIP 71459 weather · frost dates · planting calendar · Louisiana frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Leesville, La (4.6 mi from Fort Polk South). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.