At least one thing makes a weekend backpacking trip better than a long thru-hike. Preparing for expected weather conditions is much easier when you only need to plan for a hike of a few days.
I knew the temperatures on this trip would be mostly in the 30s and 40s. I planned specifically for that and didn't have to be concerned about warmer weather.
That's not to say I don't prepare for weather conditions on a thru-hike. The difference is I must prepare for all conditions on a thru-hike. Compromises are sometimes necessary so I don't add too much weight to my pack.
For a weekend trip like this one, I can dial in my clothing and gear choices for a narrower temperature range. I am less concerned about adding the weight of extra clothing or gear because I am carrying less food.