Oyasu Onsen Weather (Next 3 days): The snow forecast for Oyasu Onsen is: A moderate fall of snow, heaviest on Wed night. Freeze-thaw conditions (max 3°C on Wed afternoon, min -6°C on Wed night). Winds increasing (calm on Tue night, fresh winds from the WNW by Wed night).
Oyasu Onsen Weather (Days 4-6): Light rain (total 3.0mm), mostly falling on Mon morning. Freeze-thaw conditions (max 10°C on Sun afternoon, min -1°C on Fri night). Wind will be generally light.
| Resort | Snow Depth | Temp. (°C) | Wind (km/h) | Weather | ||
|---|---|---|---|---|---|---|
| Top Lift: | -3 |  | ||||
| Bottom Lift: | -3 | |
Wednesday 18 | Thursday 19 | Friday 20 | Saturday 21 | Sunday 22 | ||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  | | |  |  |  |  | | | |  | | | |
some clouds | cloudy | light snow | heavy snow | light snow | light snow | light snow | snow shwrs | some clouds | clear | some clouds | some clouds | clear | clear | some clouds | some clouds | |
km/h | ||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||
— | — | 2 | 11 | 2 | 1 | 1 | — | — | — | — | — | — | — | — | — | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | -2 | 2 | 3 | -2 | -4 | -4 | -4 | 1 | 2 | -1 | 6 | 6 | 3 | 9 | 10 | 8 |
min °C | -3 | 0 | 0 | -6 | -5 | -5 | -5 | -1 | -1 | -1 | 4 | 3 | 2 | 7 | 5 | 6 |
-5 | -3 | -5 | -15 | -14 | -12 | -12 | -4 | -4 | -4 | 2 | 1 | 0 | 6 | 4 | 4 | |
85 | 72 | 63 | 95 | 92 | 85 | 94 | 85 | 77 | 85 | 80 | 74 | 66 | 61 | 58 | 71 | |
0 | 450 | 750 | 0 | 0 | 0 | 0 | 350 | 650 | 150 | 950 | 1150 | 1650 | 2250 | 2400 | 2400 | |
 | — | 6:24 | — | — | 6:24 | — | — | 6:22 | — | — | 6:22 | — | — | 6:20 | — | — |
 | — | — | 5:16 | — | — | 5:17 | — | — | 5:19 | — | — | 5:20 | — | — | 5:21 | — |
A moderate fall of snow, heaviest on Wed night. Freeze-thaw conditions (max 3°C on Wed afternoon, min -6°C on Wed night). Winds increasing (calm on Tue night, fresh winds from the WNW by Wed night).
Light rain (total 3.0mm), mostly falling on Mon morning. Freeze-thaw conditions (max 10°C on Sun afternoon, min -1°C on Fri night). Wind will be generally light.
Latest snow reports near Oyasu Onsen:
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | 3 cm |
| Last snowfall: | 16 Feb 2026 |
| Snow Alerts | Create Alert |
0.4 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
2.5 | Powder days Fresh snow, limited sun, any wind. |
0.2 | 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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