Youngsville, LA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Youngsville, a city in Lafayette County, Louisiana.
Tonight
71°F
Clear
Clear, with a low around 71. Southeast wind 0 to 5 mph.
7-day forecast for Youngsville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 71°F | Clear | 0 to 5 mph SE | 0% |
| Saturday | 95°F | Sunny | 0 to 10 mph E | 1% |
| Saturday Night | 73°F | Mostly Clear | 0 to 5 mph SE | 1% |
| Sunday | 96°F | Sunny | 0 to 5 mph E | 8% |
| Sunday Night | 75°F | Mostly Clear | 0 to 5 mph SW | 8% |
| Monday | 96°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph NE | 18% |
| Monday Night | 75°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph N | 18% |
| Tuesday | 97°F | Sunny | 0 to 5 mph NE | 14% |
| Tuesday Night | 75°F | Mostly Clear | 0 to 5 mph E | 14% |
| Wednesday | 96°F | Sunny | 0 to 10 mph NE | 11% |
| Wednesday Night | 74°F | Mostly Clear | 5 to 10 mph NE | 11% |
| Thursday | 94°F | Sunny | 10 to 15 mph NE | 6% |
| Thursday Night | 72°F | Mostly Clear | 5 to 10 mph NE | 6% |
| Friday | 92°F | Sunny | 10 mph NE | 4% |
Forecast source: National Weather Service (api.weather.gov) for Youngsville (30.096, -91.997). Updated through the day.
Growing snapshot for Youngsville
Last spring frost
Feb 10
First fall frost
Dec 11
Growing season
305 days
Hardiness zone
9a
More local growing data for Youngsville: nearby ZIP 70592 weather · frost dates · planting calendar · Louisiana frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, New Iberia Acadiana Ap, La (8.5 mi from Youngsville). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.