Mer Rouge, LA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Mer Rouge, a village in Morehouse County, Louisiana.
This Afternoon
97°F
Sunny
Sunny, with a high near 97. Heat index values as high as 99. Southeast wind around 0 mph.
7-day forecast for Mer Rouge
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 97°F | Sunny | 0 mph | 0% |
| Tonight | 70°F | Clear | 0 mph | 0% |
| Saturday | 100°F | Sunny | 0 mph | 1% |
| Saturday Night | 72°F | Clear | 0 mph | 0% |
| Sunday | 99°F | Sunny | 0 mph | 0% |
| Sunday Night | 72°F | Partly Cloudy | 0 mph | 1% |
| Monday | 98°F | Mostly Sunny | 0 mph | 7% |
| Monday Night | 71°F | Partly Cloudy | 0 mph | 9% |
| Tuesday | 97°F | Mostly Sunny | 0 mph | 10% |
| Tuesday Night | 69°F | Partly Cloudy | 0 mph | 10% |
| Wednesday | 93°F | Sunny | 5 mph NNE | 4% |
| Wednesday Night | 67°F | Mostly Clear | 0 to 5 mph NNE | 4% |
| Thursday | 91°F | Sunny | 5 mph NNE | 4% |
| Thursday Night | 66°F | Mostly Clear | 0 to 5 mph NNE | 4% |
Forecast source: National Weather Service (api.weather.gov) for Mer Rouge (32.777, -91.794). Updated through the day.
Growing snapshot for Mer Rouge
Last spring frost
Mar 15
First fall frost
Nov 12
Growing season
241 days
Hardiness zone
8b
More local growing data for Mer Rouge: nearby ZIP 71261 weather · frost dates · planting calendar · Louisiana frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Bastrop, La (13.2 mi from Mer Rouge). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.