Donaldsonville, LA Weather & Growing Conditions
This Afternoon
95°F
Sunny
Sunny, with a high near 95. East wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 95°F | Sunny | 5 mph E | 1% |
| Tonight | 73°F | Clear | 0 to 5 mph SE | 1% |
| Sunday | 96°F | Sunny | 0 to 5 mph E | 10% |
| Sunday Night | 75°F | Mostly Clear | 0 mph | 6% |
| Monday | 97°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph N | 21% |
| Monday Night | 76°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 0 mph | 21% |
| Tuesday | 97°F | Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph NE | 18% |
| Tuesday Night | 76°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 0 to 5 mph SE | 18% |
| Wednesday | 96°F | Sunny | 0 to 5 mph NE | 4% |
| Wednesday Night | 75°F | Mostly Clear | 0 to 5 mph NE | 4% |
| Thursday | 94°F | Sunny | 5 mph NE | 3% |
| Thursday Night | 73°F | Mostly Clear | 0 to 5 mph NE | 3% |
| Friday | 93°F | Sunny | 5 mph NE | 1% |
| Friday Night | 72°F | Mostly Clear | 0 to 5 mph E | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Donaldsonville, LA
Last spring frost
Feb 21
First fall frost
Dec 5
Growing season
291 days
Hardiness zone
9a
Explore more for Donaldsonville, LA: full frost dates · planting calendar · Louisiana frost dates
Climate data from the nearest NOAA station, Donaldsonville 4 Sw, La (2.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.