Harahan, LA Weather & Growing Conditions
Overnight
75°F
Clear
Clear. Low around 75, with temperatures rising to around 77 overnight. Wind around 0 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 75°F | Clear | 0 mph | 0% |
| Saturday | 93°F | Sunny | 0 to 5 mph NE | 2% |
| Saturday Night | 76°F | Clear | 0 to 5 mph S | 1% |
| Sunday | 93°F | Sunny | 0 to 5 mph N | 5% |
| Sunday Night | 77°F | Mostly Clear | 0 to 5 mph SW | 2% |
| Monday | 93°F | Sunny then Slight Chance Showers And Thunderstorms | 5 mph N | 18% |
| Monday Night | 77°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 0 to 5 mph SE | 18% |
| Tuesday | 93°F | Sunny | 0 to 5 mph N | 11% |
| Tuesday Night | 77°F | Mostly Clear | 0 to 5 mph E | 11% |
| Wednesday | 92°F | Sunny | 0 to 10 mph NE | 9% |
| Wednesday Night | 77°F | Mostly Clear | 0 to 5 mph NE | 9% |
| Thursday | 90°F | Sunny | 10 mph NE | 7% |
| Thursday Night | 75°F | Mostly Clear | 5 to 10 mph NE | 7% |
| Friday | 88°F | Sunny | 10 mph NE | 3% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Harahan, LA
Last spring frost
Jan 30
First fall frost
Dec 31
Growing season
333 days
Hardiness zone
9b
Explore more for Harahan, LA: full frost dates · planting calendar · Louisiana frost dates
Climate data from the nearest NOAA station, New Orleans Intl Ap, La (4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.