Myrtle Beach weather: Sunny and hot for June 21

Your daily and extended forecast from Grand Strand News Alliance partner WPDE.

It will be mostly sunny and hotter Tuesday, with temperatures in the upper 80s. A gradual increase in humidy and temperatures will occur thanks to a high pressure system just off the coast.

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This story was originally published June 21, 2016 at 6:51 AM with the headline "Myrtle Beach weather: Sunny and hot for June 21."