This, his male handlers in top hats dramatically said, signals an early start to spring and an end to winter.
The Pennsylvania groundhog isn't the only weather-predicting groundhog residents look to for predicted forecasts.
The first observance of groundhog day was in Punxsutawney in Pennsylvania, and this is still where the largest celebrations are held today (and is where the famous film is set).
During Groundhog Day, celebrated on 2nd February every year, if a groundhog sees its shadow - and returns back to its burrow, it means that the winter is going to continue.
Lisa Gibson, center, and her daughters Josie, left, and AneGiguere of Pittsburgh, arrive early to celebrate the 133rd Groundhog Day on Gobbler's Knob in Punxsutawney, Pa. Saturday, Feb. 2, 2019.More news: NFL investigating laser pointed at Patriots' Tom Brady in AFC title game
To get in the mood, we suggest queuing up Bill Murray's 1993 movie, Groundhog Day.
Still, it's being made by Tequila Works, who co-developed The Sexy Brutale, something that our Mat Jones called "Groundhog Day, the game". The president of the Groundhog Club heads up the PJC's Inner Circle, a group of men who are responsible for handling and feeding Phil, as well as hoisting him in the air on February 2.
Can't make it to Gobbler's Knob to participate in the day's festivities?
Phil has a notoriously low record of getting his predictions right with less than 20 percent success in the last few years.
For just the 19th time in 133 years, Punxsutawney Phil did not see his shadow on Groundhog Day morning. Since there were so many groundhogs in the area, they began to use them instead of the European hedgehogs. They also whistle when searching for a female groundhog, giving the creatures the nickname of "whistle pigs".