Soap covered with moisture indicates bad weather.
Soot.
When in cold weather the soot falls from the chimney, the weather will change.
Falling soot indicates bad weather.
Soot burning on back of chimney indicates storms.
When the soot on pots over the fire sparkles, rain follows.
Sound.
Sound travelling far and wide
A stormy day will betide.
When on calm days the sound is carried far, rain follows.