What’s the weather at Tänndalen - Hamrafjället today? The current Tänndalen - Hamrafjället weather is: Mostly Sunny, 6 C° base and 4 C° Summit, 7 km/h wind. Scroll down to Hour by Hour for an hourly Tänndalen - Hamrafjället weather forecast breakdown for a detailed Tänndalen - Hamrafjället weather and snow forecast for the next seven days.