Predictable, yearly cycles of changing weather are known as
(1)climate
(2)seasons
(3)forecasts
(4)storms

This is known as seasons.
Let's look at the other options:

forecast is the prediction of the weather patterns in the future.

Storms are not that predictable and they don't follow yearly cycles as closely, and they're only one kind of weather.

Climate is the whole pattern of weather: so all the seasons are relevant to climate, but climate encompasses more than that.