What’s the weather at Oslo Vinterpark - Tryvann today? The current Oslo Vinterpark - Tryvann weather is: Sunny, 7 C° base and 7 C° Summit, 3 km/h wind. Scroll down to Hour by Hour for an hourly Oslo Vinterpark - Tryvann weather forecast breakdown for a detailed Oslo Vinterpark - Tryvann weather and snow forecast for the next seven days.