Oyasu Onsen Weather (Next 3 days): The snow forecast for Oyasu Onsen is: Light rain (total 7.0mm) on Wed afternoon. Becoming colder with heavy fall of snow, heaviest during Thu night. Freeze-thaw conditions (max 5°C on Wed morning, min -6°C on Wed night). Winds increasing (light winds from the WSW on Wed morning, fresh winds from the NW by Wed night).
Oyasu Onsen Weather (Days 4-6): Moderate rain (total 13.0mm), heaviest on Mon afternoon giving way to a moderate fall of snow, heaviest on Mon night. Freeze-thaw conditions (max 4°C on Sun afternoon, min -2°C on Mon night). Winds increasing (light winds from the SSW on Sat afternoon, fresh winds from the WNW by Mon night).