I've done the trail twice now (Spring & Summer) and both times it's been foggy. But I've also seen loads of elk both times, so all good! Really great trail with lots to see - beautiful wildflowers, loads of wildlife (I saw elk, coyotes, snakes, rabbits, wild turkeys, California quail, songbirds, butterflies, etc) and great views when the fog fades. Take plenty of water and snacks as you'll need a good few hours to complete the trail.