The Hottest 2018 Summer Fashion Trends for Women : Summer is the perfect time to showcase your style and be free from heavy coats and countless layers. Less in more when it comes to hot weather, but you can still aim to be cool whatever the temperature. Here are some of the top womens 2018 summer fashion trends. Let them guide your style this summer as you fill your wardrobe with trendy, must-have pieces for the sunny season.