As human behavior and weathercycles have not changed much for hundreds of years, the odds of a continuation of past trends are a good, but not perfect, guide to the future.
Watch the Kickstarter pitch (below) for a detailed explanation of combat and other systems in the game, including its dynamic weather and time system which not only has day and night cycles, but entire calendar year cycles and a fully diagrammed sky full of celestial bodies that change over the course of time.