The words weather and whether have nothing in common other than their pronunciation, but English speakers are sometimes unsure which one to use. Find out whether you need to correct your spelling.
Weather is usually a noun:
Weather is also a verb that means "to be affected by the weather":
Figuratively, weather means "to get/live through":
Whether is a conjunction that introduces possibilities or alternatives:
(Note the correct spelling: whether. A "wether" is a male sheep (usually castrated).
The Bottom Line
The words weather and whether are pronounced identically, hence the confusion in spelling. Just remember that whether is more or less interchangeable with "if," while weather indicates the temperature and atmospheric conditions.