What’s the weather at Lermoos - Grubigstein today? The current Lermoos - Grubigstein weather is: Cloudy, 2 C° base and -3 C° Summit, 5 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.