The “red sky in morning” half of the proverb can be equally vexing. Beyond just the atmospheric explanations, pollution and other unnatural particles in the air can drastically affect the color of the sky in all directions and all times of day. So while you’ll find quick answers and explanations to the proverb online, a red sky can ultimately mean different things based on a variety of factors, both natural and not-so-natural. While it’s a quippy proverb, the others on this list will better help you predict the weather in the coming days.