When is spaghetti squash ripe and ready to pick, and how should it be stored?
Certified GKH Gardening Expert
This article will help with when to harvest (go to the bottom half of the article): https://www.gardeningknowhow.com/edible/vegetables/squash/when-to-harvest-squash-best-time-to-pick-winter-or-summer-squash.htm
The squash can be stored in at room temperature in a somewhat cool and dark location, like in a basement or pantry, for about a month. Keep it dry.