Jardin de San Julian, TX Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Jardin de San Julian, a community in Starr County, Texas.
This Afternoon
100°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Partly sunny, with a high near 100. Heat index values as high as 108. East northeast wind around 7 mph. Chance of precipitation is 30%.
7-day forecast for Jardin de San Julian
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 100°F | Chance Showers And Thunderstorms | 7 mph ENE | 26% |
| Tonight | 78°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 2 to 8 mph ESE | 18% |
| Saturday | 102°F | Sunny | 5 mph ESE | 2% |
| Saturday Night | 77°F | Mostly Clear | 3 to 8 mph ESE | 0% |
| Sunday | 102°F | Sunny | 5 mph SE | 0% |
| Sunday Night | 78°F | Partly Cloudy | 3 to 8 mph SE | 0% |
| Monday | 103°F | Sunny | 2 to 6 mph ESE | 2% |
| Monday Night | 78°F | Mostly Clear | 3 to 8 mph SE | 6% |
| Tuesday | 102°F | Sunny then Slight Chance Showers And Thunderstorms | 2 to 9 mph ESE | 19% |
| Tuesday Night | 78°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 0 to 9 mph ESE | 19% |
| Wednesday | 100°F | Sunny then Chance Showers And Thunderstorms | 0 to 8 mph E | 35% |
| Wednesday Night | 77°F | Chance Showers And Thunderstorms | 0 to 8 mph ENE | 35% |
| Thursday | 99°F | Chance Showers And Thunderstorms | 0 to 6 mph ENE | 41% |
| Thursday Night | 76°F | Chance Showers And Thunderstorms | 0 to 6 mph E | 41% |
Forecast source: National Weather Service (api.weather.gov) for Jardin de San Julian (26.525, -99.100). Updated through the day.
Growing snapshot for Jardin de San Julian
Last spring frost
Jan 9
First fall frost
Jan 1
Growing season
363 days
Hardiness zone
9b
More local growing data for Jardin de San Julian: nearby ZIP 78585 weather · frost dates · planting calendar · Texas frost dates
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Climate data from the nearest NOAA station, Falcon Dam, Tx (6.2 mi from Jardin de San Julian). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 18, 2026.