Mer Rouge, LA Weather & Growing Conditions
Overnight
52°F
Partly Cloudy
Partly cloudy, with a low around 52. West northwest wind around 0 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 52°F | Partly Cloudy | 0 mph | 4% |
| Wednesday | 72°F | Sunny | 0 to 5 mph NW | 0% |
| Wednesday Night | 43°F | Partly Cloudy then Patchy Fog | 0 mph | 0% |
| Thursday | 74°F | Patchy Fog then Sunny | 0 mph | 0% |
| Thursday Night | 46°F | Partly Cloudy | 0 mph | 0% |
| Friday | 73°F | Sunny | 0 to 5 mph N | 0% |
| Friday Night | 42°F | Mostly Clear | 0 to 5 mph NNE | 0% |
| Saturday | 65°F | Mostly Sunny | 0 to 5 mph NNE | 0% |
| Saturday Night | 37°F | Partly Cloudy | 0 mph | 0% |
| Sunday | 65°F | Mostly Sunny | 0 to 5 mph N | 2% |
| Sunday Night | 36°F | Mostly Clear | 0 mph | 1% |
| Monday | 67°F | Sunny | 0 mph | 3% |
| Monday Night | 37°F | Mostly Clear | 0 mph | 2% |
| Tuesday | 71°F | Sunny | 0 mph | 2% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Mer Rouge, LA
Last spring frost
Mar 15
First fall frost
Nov 12
Growing season
241 days
Hardiness zone
8b
Explore more for Mer Rouge, LA: full frost dates · planting calendar · Louisiana frost dates
Climate data from the nearest NOAA station, Bastrop, La (13.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.