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Oyasu Onsen Weather (Next 3 days): The snow forecast for Oyasu Onsen is: A moderate fall of snow, heaviest on Tue night. Turning milder with heavy rain (total 30.0mm), heaviest during Thu afternoon. Freeze-thaw conditions (max 4°C on Thu morning, min -2°C on Mon night). Winds increasing (light winds from the WNW on Tue night, strong winds from the WSW by Thu afternoon).
Oyasu Onsen Weather (Days 4-6): Moderate rain (total 16.0mm) on Thu night. Becoming colder with heavy fall of snow, heaviest during Fri morning. Freeze-thaw conditions (max 3°C on Thu night, min -7°C on Fri morning). Winds decreasing (fresh winds from the NW on Thu night, calm by Sun afternoon).
| Resort | Snow Depth | Temp. (°C) | Wind (km/h) | Weather | ||
|---|---|---|---|---|---|---|
| Top Lift: | -1 |  | ||||
| Bottom Lift: | 1 | |
Latest snow reports near Oyasu Onsen:
Tuesday 9 | Wednesday 10 | Thursday 11 | Friday 12 | Saturday 13 | ||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | |  | |  |  |  |  | |  |  |  | | | | |
light snow | light snow | light snow | mod. snow | light snow | some clouds | rain shwrs | light rain | heavy rain | mod. snow | heavy snow | mod. snow | heavy snow | light snow | light snow | light snow | |
km/h | ||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||
1 | 1 | 2 | 6 | 1 | — | — | — | — | 10 | 12 | 9 | 15 | 4 | 2 | 1 | |
— | — | — | — | — | — | 4 | 5 | 21 | 16 | — | — | — | — | — | — | |
max °C | 0 | 0 | -1 | -1 | 0 | 1 | 2 | 4 | 4 | 3 | -7 | -7 | -5 | -3 | -3 | -3 |
min °C | -2 | -1 | -1 | -2 | -1 | -2 | -2 | 3 | 4 | -6 | -7 | -7 | -7 | -4 | -3 | -3 |
-9 | -6 | -6 | -5 | -6 | -5 | -6 | 0 | 0 | -15 | -16 | -16 | -16 | -12 | -11 | -10 | |
85 | 92 | 94 | 97 | 97 | 80 | 89 | 100 | 100 | 97 | 94 | 94 | 94 | 94 | 95 | 96 | |
400 | 400 | 450 | 350 | 450 | 650 | 0 | 1100 | 1250 | 350 | 0 | 0 | 0 | 0 | 200 | 0 | |
 | — | 6:43 | — | — | 6:43 | — | — | 6:45 | — | — | 6:46 | — | — | 6:47 | — | — |
 | — | — | 4:14 | — | — | 4:14 | — | — | 4:14 | — | — | 4:15 | — | — | 4:15 | — |
A moderate fall of snow, heaviest on Tue night. Turning milder with heavy rain (total 30.0mm), heaviest during Thu afternoon. Freeze-thaw conditions (max 4°C on Thu morning, min -2°C on Mon night). Winds increasing (light winds from the WNW on Tue night, strong winds from the WSW by Thu afternoon).
Moderate rain (total 16.0mm) on Thu night. Becoming colder with heavy fall of snow, heaviest during Fri morning. Freeze-thaw conditions (max 3°C on Thu night, min -7°C on Fri morning). Winds decreasing (fresh winds from the NW on Thu night, calm by Sun afternoon).
Latest snow reports near Oyasu Onsen:
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | 1 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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