Mackerel Sky Saying. 400 2 votes pie-in-the-sky. This weather proverb originates from a nautical background when different cloud types were used to determine whether sails needed to.
If three nights dewless there be twill rain youre sure to see. A mackerel sky is one that has a lot of cirrocumulus clouds which often precede an approaching warm front. Also called regionally buttermilk sky.
500 1 vote throw a sprat to catch a mackerel.
A sky covered with many small cirrocumulus or altocumulus clouds resembling the markings found on a mackerel. If it lingers on the grass expect rain in 24 hours. When the bees crowd into their hive again it is a sign of thunder and of rain TRUE. A mackerel sky splits into mares tails.