 and a low of 64. It's currently 92 in Denver with your impact traffic and weather. Jeffrey Dallet, 630 KHOP. Mattress Firm's July 4th sale is your chance to get matched with your coolest Zs yet. Save $500 on Tempur-Brize mattresses with free and fast delivery. All night cooling, all summer long. Discover the difference the right bed makes. Restrictions apply.