JACKSONVILLE, Fla. -- It's here! The cold blast is every bit as cold as forecast.. A Hard Freeze Warning is in effect for the entire First Coast until 9:00 a.m. with temperatures in the middle 20s inland to near 30 at the beach. A Wind Chill Advisory in place with our "feels like" temperatures in the middle to upper teens. It will not feel above freezing until after 10 a.m. Despite full sunshine we only reach 50 degrees today but at least we have a lighter wind this afternoon.