Happy Groundhog Day!
Six More Weeks of Winter. SO SAYS THE SEER OF SEERS THE PROGNOSTICATORS OF PROGNOSTICATORS!
According to Groundhog Lore, Phil may often be wrong but the Groundhog itself has divine knowledge from the Gods themselves. Groundhog Lodges hold that Phil, beloved as he is, is a pretender to The Groundhog's throne and thus is not as accurate.
Though it's a bit harder to ask The Groundhog himself.