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Oyasu Onsen Weather (Next 3 days): The snow forecast for Oyasu Onsen is: Heavy rain (total 26.0mm), heaviest during Sun afternoon. Later becoming colder with a dusting of snow on Mon afternoon. Freeze-thaw conditions (max 7°C on Sun night, min -1°C on Mon night). Winds increasing (light winds from the SSW on Sat afternoon, fresh winds from the W by Mon morning).
Oyasu Onsen Weather (Days 4-6): Moderate rain (total 16.0mm) on Wed night. Becoming colder with heavy fall of snow, heaviest during Fri morning. Freeze-thaw conditions (max 3°C on Wed night, min -6°C on Fri morning). Winds increasing (light winds from the WNW on Thu morning, fresh winds from the WNW by Thu night).
| Resort | Snow Depth | Temp. (°C) | Wind (km/h) | Weather | ||
|---|---|---|---|---|---|---|
| Top Lift: | 1 |  | ||||
| Bottom Lift: | 0 | |
Latest snow reports near Oyasu Onsen:
Sat 6 | Sunday 7 | Monday 8 | Tuesday 9 | Wednesday 10 | Thursday 11 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  | | |  |  | | |  |  | |  | | |  | |
some clouds | light rain | light rain | mod. rain | light rain | mod. rain | light snow | light snow | light snow | light snow | snow shwrs | clear | some clouds | heavy rain | light snow | light snow | mod. snow | |
km/h | |||||||||||||||||
Snow map |  |  |  |  |  |  | |||||||||||
— | — | — | — | — | — | 2 | 1 | — | — | 3 | — | — | — | 3 | 1 | 6 | |
— | 2 | 3 | 7 | 4 | 6 | 4 | — | — | — | — | — | — | 16 | — | — | — | |
max °C | 4 | 3 | 5 | 6 | 7 | 7 | 3 | 0 | 1 | 0 | 0 | 1 | 1 | 3 | 2 | 0 | -3 |
min °C | 1 | 1 | 4 | 4 | 6 | 5 | 1 | -1 | 0 | -1 | -2 | 0 | -1 | 0 | 2 | -1 | -5 |
-2 | -2 | 0 | 0 | 2 | 0 | -5 | -8 | -6 | -5 | -6 | -5 | -4 | -4 | 0 | -4 | -14 | |
87 | 77 | 97 | 99 | 92 | 92 | 96 | 93 | 83 | 77 | 97 | 77 | 73 | 98 | 99 | 98 | 95 | |
950 | 1050 | 1200 | 1450 | 1450 | 1550 | 800 | 300 | 450 | 450 | 300 | 450 | 600 | 1000 | 750 | 500 | 0 | |
 | — | — | 6:41 | — | — | 6:41 | — | — | 6:43 | — | — | 6:43 | — | — | 6:45 | — | — |
 | 4:14 | — | — | 4:14 | — | — | 4:14 | — | — | 4:14 | — | — | 4:14 | — | — | 4:14 | — |
Heavy rain (total 26.0mm), heaviest during Sun afternoon. Later becoming colder with a dusting of snow on Mon afternoon. Freeze-thaw conditions (max 7°C on Sun night, min -1°C on Mon night). Winds increasing (light winds from the SSW on Sat afternoon, fresh winds from the W by Mon morning).
Moderate rain (total 16.0mm) on Wed night. Becoming colder with heavy fall of snow, heaviest during Fri morning. Freeze-thaw conditions (max 3°C on Wed night, min -6°C on Fri morning). Winds increasing (light winds from the WNW on Thu morning, fresh winds from the WNW by Thu night).
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 |
0.1 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
1.0 | Powder days Fresh snow, limited sun, any wind. |
0.1 | Bluebird days Average snow, mostly sunny, light wind. |
The above table gives the weather forecast for Oyasu Onsen at the specific elevation of 432 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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