No dew in the morning means it will rain that day. A dew at night means fair weather the next day. Rain before 7 will clear by eleven. A cow with his tail to the west makes weather best. A cow with his tail to the east makes weather the least.
Flies bite more before the start of a rain.
When horses are running or kicking, you can expect a cold snap. When hogs are running about picking up sticks and shucks, you will have a bad winter. If there are more than usual the number of tumblebugs, you will have a hard winter. The first killing frost will come after the first katydid is heard. When the whipperwill first sings, it's time to plant corn.