Patterson, LA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Patterson, a city in St. Mary County, Louisiana.
Overnight
75°F
Clear
Clear, with a low around 75. Wind around 0 mph.
7-day forecast for Patterson
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 75°F | Clear | 0 mph | 0% |
| Tuesday | 93°F | Sunny then Chance Showers And Thunderstorms | 0 to 5 mph W | 25% |
| Tuesday Night | 77°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 0 to 5 mph SW | 17% |
| Wednesday | 93°F | Sunny then Chance Showers And Thunderstorms | 0 to 5 mph SW | 39% |
| Wednesday Night | 76°F | Mostly Clear | 0 to 5 mph SW | 8% |
| Thursday | 92°F | Sunny then Showers And Thunderstorms Likely | 0 to 5 mph S | 55% |
| Thursday Night | 75°F | Showers And Thunderstorms Likely then Mostly Clear | 0 to 5 mph SE | 55% |
| Friday | 92°F | Sunny then Chance Showers And Thunderstorms | 0 to 5 mph E | 49% |
| Friday Night | 75°F | Chance Showers And Thunderstorms | 0 to 5 mph E | 49% |
| Saturday | 91°F | Chance Showers And Thunderstorms | 0 to 5 mph E | 50% |
| Saturday Night | 76°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph E | 50% |
| Sunday | 91°F | Showers And Thunderstorms Likely | 0 to 5 mph SE | 68% |
| Sunday Night | 76°F | Showers And Thunderstorms Likely | 0 to 5 mph SE | 68% |
| Monday | 90°F | Showers And Thunderstorms Likely | 0 to 5 mph S | 61% |
Forecast source: National Weather Service (api.weather.gov) for Patterson (29.691, -91.310). Updated through the day.
Growing snapshot for Patterson
Last spring frost
Jan 30
First fall frost
Jan 1
Growing season
335 days
Hardiness zone
9b
More local growing data for Patterson: nearby ZIP 70392 weather · frost dates · planting calendar · Louisiana frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Morgan City, La (8.6 mi from Patterson). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.