The weather in April can be wishy-washy.  One day it's sunny, warm and beautiful, the next day rain and thunderstorms.   The month is even labeled a "rainy" month in the saying, "April showers bring May flowers."   Pop up showers and thunderstorms seem common place during April, ruining your outdoor plans.   But what if I told you, you could predict the weather using your morning cup of coffee?    According to Backpacker Magazine, a cup of coffee can be used to predict if it will be a beautiful day or if rain is likely.  How? &nbsp