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Youngsville, LA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Youngsville, a city in Lafayette County, Louisiana.

This Afternoon
82°F
Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms between 1pm and 2pm, then a chance of showers and thunderstorms between 2pm and 4pm, then a slight chance of showers and thunderstorms. Partly sunny. High near 82, with temperatures falling to around 78 in the afternoon. South wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.

7-day forecast for Youngsville

WhenTempForecastWindPrecip
This Afternoon 82°F Slight Chance Showers And Thunderstorms 10 to 15 mph S 26%
Tonight 65°F Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms 5 mph SW 49%
Wednesday 77°F Mostly Sunny 5 to 10 mph NW 7%
Wednesday Night 53°F Mostly Clear 0 mph 1%
Thursday 79°F Sunny 0 mph 6%
Thursday Night 57°F Chance Rain Showers 0 to 5 mph W 32%
Friday 79°F Slight Chance Rain Showers then Mostly Sunny 5 to 10 mph N 19%
Friday Night 52°F Mostly Clear 5 to 10 mph N 3%
Saturday 74°F Mostly Sunny 10 mph N 5%
Saturday Night 46°F Partly Cloudy 5 to 10 mph N 13%
Sunday 69°F Mostly Sunny 10 to 15 mph N 7%
Sunday Night 44°F Mostly Clear 5 mph N 3%
Monday 71°F Sunny 5 to 10 mph N 4%
Monday Night 43°F Mostly Clear 0 to 5 mph N 3%

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

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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 Nov 3, 2026.