What’s the weather at Lermoos - Grubigstein today? The current Lermoos - Grubigstein weather is: Cloudy, 20 C° base and 12 C° Summit, 4 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.