http://www.answers.com/topic/weather See definitions 1 and 2. Weather is more of a day to day thing. Yesterday we had lots of rain; today is supposed to be sunny and cool.
http://www.answers.com/topic/climate See all 3 definitions; notice the words "characteristically prevail" in definition 1. Climate has more to do with an overview of an area over time, such as desert regions having very little or no rain.
Scroll down in each link and read more about each.
