What’s the weather at Heiligenblut - Grossglockner today? The current Heiligenblut - Grossglockner weather is: Mostly Sunny, 14 C° base and 3 C° Summit, 11 km/h wind. Scroll down to Hour by Hour for an hourly Heiligenblut - Grossglockner weather forecast breakdown for a detailed Heiligenblut - Grossglockner weather and snow forecast for the next seven days.