Henderson, LA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Henderson, a town in St. Martin County, Louisiana.
Overnight
64°F
Slight Chance Rain Showers
A slight chance of rain showers before 5am. Mostly cloudy, with a low around 64. North wind 5 to 10 mph. Chance of precipitation is 20%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Henderson
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 64°F | Slight Chance Rain Showers | 5 to 10 mph N | 20% |
| Wednesday | 76°F | Mostly Sunny | 5 to 10 mph NW | 8% |
| Wednesday Night | 52°F | Mostly Clear | 0 to 5 mph N | 0% |
| Thursday | 78°F | Sunny | 0 to 5 mph N | 0% |
| Thursday Night | 55°F | Partly Cloudy | 0 mph | 4% |
| Friday | 79°F | Sunny | 0 to 10 mph N | 2% |
| Friday Night | 53°F | Mostly Clear | 5 to 10 mph N | 2% |
| Saturday | 73°F | Mostly Sunny | 10 to 15 mph N | 1% |
| Saturday Night | 47°F | Partly Cloudy | 5 to 10 mph N | 3% |
| Sunday | 67°F | Slight Chance Rain Showers then Mostly Sunny | 5 to 10 mph N | 15% |
| Sunday Night | 44°F | Partly Cloudy | 5 mph N | 4% |
| Monday | 69°F | Sunny | 5 mph N | 3% |
| Monday Night | 43°F | Mostly Clear | 0 to 5 mph N | 2% |
| Tuesday | 73°F | Sunny | 0 to 5 mph N | 3% |
Forecast source: National Weather Service (api.weather.gov) for Henderson (30.318, -91.804). Updated through the day.
Growing snapshot for Henderson
Last spring frost
Feb 13
First fall frost
Dec 4
Growing season
299 days
Hardiness zone
9a
More local growing data for Henderson: nearby ZIP 70517 weather · frost dates · planting calendar · Louisiana frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Lafayette Rgnl Ap, La (13.4 mi from Henderson). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.