This pasta salad may be served immediately after cooking (at room temperature), it's also great cold, after a few hours of rest in the fridge.
This pasta salad leftovers can be stored in the fridge for two days, the same for any leftover pesto. If you keep it longer it would lose some flavor.
The zucchini sage pesto can be frozen to preserve its taste the best. If you care to divide it into ice cubes you will have a portioned pasta seasoning ready to use in a few minutes.