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
80°F
Showers And Thunderstorms
Showers and thunderstorms. Cloudy. High near 80, with temperatures falling to around 74 in the afternoon. South southwest wind around 5 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
7-day forecast for Mer Rouge
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 80°F | Showers And Thunderstorms | 5 mph SSW | 96% |
| Tonight | 51°F | Showers And Thunderstorms then Patchy Fog | 0 to 5 mph W | 86% |
| Wednesday | 72°F | Patchy Fog then Sunny | 0 mph | 0% |
| Wednesday Night | 43°F | Partly Cloudy then Patchy Fog | 0 mph | 0% |
| Thursday | 75°F | Mostly Sunny | 0 mph | 1% |
| Thursday Night | 46°F | Partly Cloudy | 0 mph | 2% |
| Friday | 73°F | Sunny | 0 to 5 mph N | 1% |
| Friday Night | 40°F | Mostly Clear | 0 mph | 0% |
| Saturday | 67°F | Mostly Sunny | 0 to 5 mph NNE | 0% |
| Saturday Night | 36°F | Partly Cloudy | 0 mph | 7% |
| Sunday | 66°F | Mostly Sunny | 0 mph | 5% |
| Sunday Night | 35°F | Mostly Clear | 0 mph | 0% |
| Monday | 69°F | Sunny | 0 mph | 0% |
| Monday Night | 36°F | Clear | 0 mph | 1% |
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 Nov 4, 2026.