Tsubetsu Snow Forecast - 7 and 14 day When is Tsubetsu going to get fresh snow? This is the Snow Forecast and Weather Outlook for Tsubetsu, Japan from 11 October. Tsubetsu Snow Forecast Highlights Next Snow Expected 13 October Next Snow Amount 10cm Next 7 Days 12cm Full 7-Day Forecast See Below Free Snow Reports by e-Mail Sign Up Here For current snow depths and skiing conditions, see our Current Snow Report for Tsubetsu. When will it snow in Tsubetsu? The next notable snow forecast for Tsubetsu is 12cm, expected on 13 October, with around 12cm forecast over the next 7 days.