How do you hatch quail eggs?

Incubate at 99.5 °F and 45–55% humidity for 14 days, turning 3× daily. Then stop turning, raise humidity to 65–75%, and wait for hatch on day 17–18.

That's the whole method. The details, and the places where it goes wrong, are below in order.

Hatching quail eggs is a three-week project where almost all of the work happens in the first ten minutes, setting the incubator correctly, and almost all of the failures come from fiddling afterward.

Here's how it actually goes. Coturnix quail eggs hatch in 17–18 days, about the shortest incubation in backyard poultry. For the first two weeks the job is boring on purpose: hold 99.5 °F, hold humidity somewhere sane, turn the eggs at least three times a day, and resist the urge to improve things. Three days before hatch you stop turning, raise the humidity, and close the lid for good. Then chicks appear, mostly on day 17, mostly within a day of each other.

Two things make quail slightly different from the chicken-hatching advice you may have read. First, the calendar is compressed: lockdown comes at day 14–15 rather than day 18, and a whole hatch fits inside three weekends. Second, there is no plan B bird. Coturnix hens almost never go broody, so unlike chickens, the incubator isn't a convenience — it's the whole method. (The rare exceptions, and why they're rare, are covered in hatching without an incubator.)

One warning we'll repeat until it's annoying: the incubator lid is not a status-check interface. Every opening during hatch vents the humidity the chick needs to get out of the shell. Curiosity is the leading preventable cause of shrink-wrapped chicks. The window exists. Use the window.

Follow the six steps in order; each one links to the full guide. If your hatch is already in progress and something looks wrong, skip straight to troubleshooting.

FAQ

What hatch rate should I expect?
Extension benchmarks for commercial operations run 75–85% of eggs set; a first home hatch below that is normal, not failure. Shipped eggs hatch worse than local ones because transit is rough on air cells.

Can I hatch quail and chicken eggs together?
Same temperature, incompatible calendars: quail lockdown lands on chicken mid-incubation. Possible with staggered sets; not recommended for a first hatch.

Do I need to wash the eggs first?
No. Washing removes the bloom (the egg's protective coating). Set clean, unwashed eggs; skip the filthy ones.