www.topmeteo.eu Gives 'today' plus next three days. In English and German. Target marketplace is recreational aviation with different data displayed for aeroplanes, gliders and balloons.
Like many things in life you get what you pay for and this is a subscription service. I pay (less than one Euro per week) and it's worth it to me.
You can subscribe by the individual chart, for three days, two weeks or a year.