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Oyasu Onsen Weather (Next 3 days): The snow forecast for Oyasu Onsen is: Mild with moderate rain (total 17.0mm) on Mon morning, Becoming colder with a light covering of snow, mostly falling on Tue night. Freeze-thaw conditions (max 7°C on Mon morning, min -2°C on Tue afternoon). Winds decreasing (fresh winds from the WNW on Mon night, light winds from the WNW by Wed afternoon).
Oyasu Onsen Weather (Days 4-6): Moderate rain (total 15.0mm) on Wed night. Becoming colder with heavy fall of snow, heaviest during Fri morning. Freeze-thaw conditions (max 2°C on Wed night, min -6°C on Fri morning). Winds increasing (light winds from the WNW on Thu morning, fresh winds from the NW by Fri morning).
| Resort | Snow Depth | Temp. (°C) | Wind (km/h) | Weather | ||
|---|---|---|---|---|---|---|
| Top Lift: | 5 |  | ||||
| Bottom Lift: | 5 | |
Latest snow reports near Oyasu Onsen:
Monday 8 | Tuesday 9 | Wednesday 10 | Thursday 11 | Friday 12 | ||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
|  |  |  |  | |  | |  |  | | | |  |  | | |
rain shwrs | mod. rain | light snow | snow shwrs | snow shwrs | light snow | mod. snow | snow shwrs | some clouds | light snow | light snow | mod. rain | mod. snow | heavy snow | mod. snow | mod. snow | |
km/h | ||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||
— | — | 1 | 1 | — | — | 6 | — | — | 4 | 1 | — | 6 | 11 | 7 | 8 | |
4 | 10 | 3 | — | — | — | — | — | — | 8 | 1 | 6 | — | — | — | — | |
max °C | 5 | 7 | 3 | 0 | 0 | -1 | -1 | 1 | 1 | 2 | 2 | 2 | 2 | -5 | -6 | -4 |
min °C | 3 | 5 | 1 | -1 | 0 | -2 | -2 | -1 | -2 | -1 | 2 | 2 | -4 | -6 | -6 | -6 |
-1 | 0 | -5 | -8 | -6 | -7 | -6 | -6 | -6 | -5 | 0 | -2 | -10 | -15 | -14 | -14 | |
93 | 85 | 98 | 82 | 76 | 79 | 96 | 92 | 80 | 98 | 100 | 100 | 97 | 95 | 95 | 94 | |
1200 | 1450 | 900 | 400 | 450 | 450 | 0 | 450 | 650 | 950 | 800 | 1050 | 250 | 0 | 0 | 0 | |
 | — | 6:41 | — | — | 6:43 | — | — | 6:43 | — | — | 6:45 | — | — | 6:46 | — | — |
 | — | — | 4:14 | — | — | 4:14 | — | — | 4:14 | — | — | 4:14 | — | — | 4:15 | — |
Mild with moderate rain (total 17.0mm) on Mon morning, Becoming colder with a light covering of snow, mostly falling on Tue night. Freeze-thaw conditions (max 7°C on Mon morning, min -2°C on Tue afternoon). Winds decreasing (fresh winds from the WNW on Mon night, light winds from the WNW by Wed afternoon).
Moderate rain (total 15.0mm) on Wed night. Becoming colder with heavy fall of snow, heaviest during Fri morning. Freeze-thaw conditions (max 2°C on Wed night, min -6°C on Fri morning). Winds increasing (light winds from the WNW on Thu morning, fresh winds from the NW by Fri morning).
Latest snow reports near Oyasu Onsen:
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | 29 cm |
| Last snowfall: | 5 Dec 2025 |
| Snow Alerts | Create Alert |
0.4 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
2.2 | Powder days Fresh snow, limited sun, any wind. |
0.3 | Bluebird days Average snow, mostly sunny, light wind. |
The above table gives the weather forecast for Oyasu Onsen at the specific elevation of 521 m. Our sophisticated weather models allow us to provide snow forecasts for the top, middle and bottom ski stations of Oyasu Onsen. To access the weather forecasts for the other elevations, use the tab navigation above the table. For a wider view of the weather, check out the Weather Map of Japan.
Click here to read further information on freezing levels and how we forecast our temperatures.
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