Whether or not you opt to scrape out the strands before storage (because you can leave them intact), spaghetti squash should be kept in an airtight container before going into the fridge.
When stored correctly in cool, dark conditions (around 55-60°F with 50-70% humidity), raw winter squash can last well into the winter months and even into spring. The shelf life varies depending on ...
The key to knowing when to harvest spaghetti squash is to note down the expected days to maturity when planting and keep a close eye on the fruit’s color and skin as the time to harvest arrives.