A frost advisory is in effect for Mecklenburg and surrounding counties from midnight Saturday to 9 a.m. Sunday.
A widespread freeze is expected across parts of the Charlotte area as high pressure settles over the region.
Clear skies and light winds are expected to allow temperatures to fall across the region, including to 35 degrees at Charlotte Douglas International Airport.
A frost advisory means isolated pockets of freezing temperatures could damage new or tender vegetation. Sensitive outdoor plants could die if left uncovered.
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Sunday is expected to eventually warm to 67 degrees under sunny skies.
Sunday night will turn cloudy, and Monday has a 40 percent chance of showers, according to the latest National Weather Service forecast for the Charlotte region.
Monday could reach 69 degrees, Tuesday 77 and Wednesday 81.
Tuesday has a 30 percent chance of thunderstorms, while Wednesday is expected to be partly sunny.
A 30 percent chance of thunderstorms returns Wednesday night.