Log Out A girl looks at the flowers of a tree in bloom in Washington, D.C., March 9, 2017, as spring rolls around.(Photo: Daniel Slim, AFP/Getty Images) Spring officially arrives at 6:28 a.m.
PDT) Monday, when the sun will be directly over the equator, marking the spring (aka vernal) equinox here in the Northern Hemisphere.
For the folks down under in the Southern Hemisphere, it will be the first day of autumn.
As for when the warm weather will finally be here to stay, the official forecast for April through June from the Climate Prediction Center calls for warmer-than-average temperatures for almost the entire nation, including Alaska.
The forecast for April-June from the Climate Prediction Center calls for above-average temperatures across almost the entire U.S.