Mer Rouge, LA Weather & Growing Conditions
Today
94°F
Patchy Fog then Sunny
Patchy fog before 8am. Sunny, with a high near 94. Heat index values as high as 98. North northeast wind around 0 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 94°F | Patchy Fog then Sunny | 0 mph | 0% |
| Tonight | 71°F | Mostly Clear | 0 mph | 0% |
| Wednesday | 96°F | Sunny | 0 mph | 6% |
| Wednesday Night | 73°F | Mostly Clear | 0 mph | 8% |
| Thursday | 96°F | Patchy Fog then Slight Chance Showers And Thunderstorms | 0 mph | 16% |
| Thursday Night | 73°F | Slight Chance Showers And Thunderstorms then Patchy Fog | 0 mph | 16% |
| Friday | 95°F | Patchy Fog then Slight Chance Showers And Thunderstorms | 0 mph | 18% |
| Friday Night | 73°F | Slight Chance Showers And Thunderstorms | 0 mph | 18% |
| Saturday | 95°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 mph | 21% |
| Saturday Night | 73°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 21% |
| Sunday | 95°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 mph | 21% |
| Sunday Night | 73°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 21% |
| Monday | 95°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 mph | 22% |
| Monday Night | 74°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 22% |
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 Aug 4, 2026.