Spring officially begins at 10:46 a.m. ET on Friday, March 20, 2026, with the arrival of the vernal equinox (spring equinox).
The spring equinox marks the official start of spring. Find out when it arrives in 2026 and what weather to expect.
The weather is warming up in Philadelphia, the daffodils are blooming and people are back outside soaking up the sunshine at ...