Montz, LA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Montz, a community in St. Charles County, Louisiana.
This Afternoon
82°F
Mostly Sunny
Mostly sunny. High near 82, with temperatures falling to around 76 in the afternoon. Southeast wind around 5 mph.
7-day forecast for Montz
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 82°F | Mostly Sunny | 5 mph SE | 3% |
| Tonight | 69°F | Mostly Cloudy then Patchy Fog | 0 to 5 mph S | 10% |
| Wednesday | 81°F | Slight Chance Rain Showers | 0 to 5 mph W | 20% |
| Wednesday Night | 61°F | Mostly Clear | 0 mph | 1% |
| Thursday | 80°F | Sunny | 0 to 5 mph NW | 11% |
| Thursday Night | 62°F | Chance Rain Showers | 0 mph | 30% |
| Friday | 79°F | Chance Rain Showers | 0 to 5 mph N | 36% |
| Friday Night | 57°F | Partly Cloudy | 0 to 5 mph N | 4% |
| Saturday | 74°F | Mostly Sunny | 5 to 10 mph N | 7% |
| Saturday Night | 52°F | Partly Cloudy | 5 to 10 mph N | 13% |
| Sunday | 68°F | Mostly Sunny | 5 to 10 mph N | 11% |
| Sunday Night | 49°F | Mostly Clear | 5 mph N | 5% |
| Monday | 70°F | Sunny | 5 to 10 mph NE | 3% |
| Monday Night | 49°F | Mostly Clear | 0 to 5 mph NE | 2% |
Forecast source: National Weather Service (api.weather.gov) for Montz (30.025, -90.460). Updated through the day.
Growing snapshot for Montz
Last spring frost
Jan 30
First fall frost
Dec 31
Growing season
333 days
Hardiness zone
9b
More local growing data for Montz: nearby ZIP 70079 weather · frost dates · planting calendar · Louisiana frost dates
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Climate data from the nearest NOAA station, New Orleans Intl Ap, La (9.7 mi from Montz). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.