“Plant corn when oak leaves are the size of squirrel ears.” From SESE.
“RED SKY AT NIGHT, SAILORS DELIGHT. RED SKY IN MORNING, SAILORS TAKE WARNING.”
A reddish sunset means that the air is dusty and dry. Since
https://www.almanac.com/content/weather-sayings-and-their-meaningsweather in North American latitudes usually moves from west to east, a red sky at sunset means dry weather—good for sailing—is moving east. Conversely, a reddish sunrise means that dry air from the west has already passed over us on the way east, clearing the way for a storm to move in.