summary: Weather and climate are different because weather is the temperature for one day and climate is the average temperature of a place.
The difference
High and Low pressure
Weather refers to the temperature of today only. Climate is the average weather in a certain area.
High pressure system causes sunny and dry weather with clear skies. Low pressure systems cause heavy precipitation and cloudy skies.
The sun
The sun powers the hydro system by heating up the water until it evaporates and is part of the atmosphere as a cloud then when the cloud has to much water particles it rains and goes back in a pond,ocean,river.
Cyclones
Warm water powers cyclones because the cyclone collects the moisture from the water making it stronger. Strong Air makes the cyclone move faster.