For someone who smokes weed 1-3 times a week, but hasn't for two weeks, will it show up in a urine test?

Let's hope not: This isn't the place to debate the wisdom of the cannabis laws. Unfortunately, the stuff stays around longer (esp. In regular users) than far more dangerous drugs, pushing savvy people to use these instead. Your best hope is that if you do test positive (and very likely you will not), the level will be low enough that someone might believe it was from secondhand marijuana smoke. Good luck.