Central Florida is bracing for the coldest temperatures of the season as a cold front moves in. After highs in the 70s on Wednesday, temperatures will drop sharply today, with highs only reaching the upper 60s in many areas. By Friday and Saturday, daytime temperatures will stay in the mid-60s, and morning lows will dip into the 40s, with wind chills in the 30s in some of the most northern areas. A warming trend is expected by Sunday however, with highs returning to the 70s.