The time of the year when the temperature calls for a hoodie. Hoodie weather is subjective to location do to different temperatures. However, most areas will experience the emergence of hoodie weather sometime in late summer or early fall.
GA Guy: Finally! The weather is dipping to a cool 85, time to whip out the hoodies.
PA Guy: What?! That's not hoodie weather! That's shorts and a t-shirt weather here! You so silly!
Hoodie Weather is used as a replacement word for winter in south Texas, considering winter time in South Texas weather goes down to 33 degrees at the lowest, and high of like 65 degrees, which is Hoodie Weather.
Josh: "I cant wait till Hoodie Weather."
Jason: "Goddamn, Me too."