Youngsville, LA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Youngsville, a city in Lafayette County, Louisiana.
Today
94°F
Sunny then Chance Showers And Thunderstorms
A chance of showers and thunderstorms after 1pm. Sunny, with a high near 94. Heat index values as high as 100. West wind 0 to 10 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Youngsville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 94°F | Sunny then Chance Showers And Thunderstorms | 0 to 10 mph W | 31% |
| Tonight | 75°F | Chance Showers And Thunderstorms then Mostly Clear | 0 to 10 mph SW | 26% |
| Wednesday | 95°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 to 5 mph SW | 30% |
| Wednesday Night | 75°F | Mostly Clear | 0 to 5 mph S | 5% |
| Thursday | 94°F | Sunny then Chance Showers And Thunderstorms | 0 to 5 mph S | 42% |
| Thursday Night | 74°F | Chance Showers And Thunderstorms then Mostly Clear | 0 to 5 mph SE | 42% |
| Friday | 94°F | Sunny then Chance Showers And Thunderstorms | 0 to 5 mph SE | 33% |
| Friday Night | 74°F | Chance Showers And Thunderstorms then Mostly Clear | 0 to 5 mph NE | 33% |
| Saturday | 94°F | Sunny then Chance Showers And Thunderstorms | 0 to 5 mph E | 31% |
| Saturday Night | 75°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph SE | 31% |
| Sunday | 93°F | Showers And Thunderstorms Likely | 0 to 10 mph E | 59% |
| Sunday Night | 75°F | Showers And Thunderstorms Likely | 0 to 10 mph SE | 59% |
| Monday | 92°F | Showers And Thunderstorms Likely | 0 to 10 mph SE | 62% |
| Monday Night | 75°F | Showers And Thunderstorms Likely | 0 to 10 mph S | 62% |
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 Aug 4, 2026.