Spring Equinox 2024 Seattle. The vernal equinox arrives on tuesday, marking the start of the spring season for the northern hemisphere. With a further boost from our rapidly warming planet, i find it hard to envision this april—and the entire spring of 2024, for that matter—charting a cooler course.

The vernal equinox arrives on tuesday, marking the start of the spring season for the northern hemisphere. Cherry blossom trees in seattle will hit their peak bloom soon.