What’s the weather at Lermoos - Grubigstein today? The current Lermoos - Grubigstein weather is: Sunny, 15 C° base and 8 C° Summit, 11 km/h wind. Scroll down to Hour by Hour for an hourly Lermoos - Grubigstein weather forecast breakdown for a detailed Lermoos - Grubigstein weather and snow forecast for the next seven days.