JACKSONVILLE, Fla. – Temperatures will struggle to reach the 60s today. Regardless of clear skies and plenty of sunshine, temperatures will top out in the upper 50s. Freeze Warning issued in Northeast Florida for the following counties beginning at 11 p.m. Saturday: Suwannee-Baker-Nassau-Union-Bradford-Gilchrist-Eastern Hamilton-Eastern Alachua-Western Hamilton-Trout River-Western Clay-Western Alachua-Northern Columbia-Southeastern Columbia-Western Duval-Southwestern Columbia.