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Oyasu Onsen Weather (Next 3 days): The snow forecast for Oyasu Onsen is: Mild with light rain (total 7.0mm) on Sun afternoon Becoming colder with a light covering of snow, mostly falling on Mon morning. Freeze-thaw conditions (max 12°C on Sun morning, min -5°C on Mon night). Wind will be generally light.
Oyasu Onsen Weather (Days 4-6): Moderate rain (total 16.0mm) heaviest on Wed afternoon, then becoming colder with a dusting of snow on Thu night. Freeze-thaw conditions (max 7°C on Wed night, min -3°C on Thu night). Wind will be generally light.
| Resort | Snow Depth | Temp. (°C) | Wind (km/h) | Weather | ||
|---|---|---|---|---|---|---|
| Top Lift: | 10 |  | ||||
| Bottom Lift: | 10 | |
Latest snow reports near Oyasu Onsen:
Saturday 20 | Sunday 21 | Monday 22 | Tuesday 23 | Wednesday 24 | Thursday 25 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  |  |  |  |  | |  | | |  |  | |  | | | | |
some clouds | some clouds | some clouds | cloudy | mod. rain | light snow | light snow | light snow | snow shwrs | some clouds | some clouds | rain shwrs | light rain | mod. rain | light rain | cloudy | cloudy | light snow | |
km/h | ||||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||||
— | — | — | — | — | 2 | 2 | 1 | — | — | — | — | — | — | — | — | — | 4 | |
— | — | — | — | 6 | 1 | — | — | — | — | — | 1 | 2 | 8 | 5 | — | — | — | |
max °C | 11 | 10 | 10 | 12 | 9 | 4 | -2 | -2 | -4 | 1 | 1 | 3 | 5 | 6 | 7 | 1 | 0 | -1 |
min °C | 8 | 8 | 8 | 12 | 6 | -2 | -3 | -3 | -5 | -1 | -1 | 0 | 5 | 5 | 3 | 1 | -1 | -3 |
6 | 6 | 6 | 10 | 2 | -9 | -10 | -8 | -8 | -1 | -4 | -4 | 1 | 2 | -1 | -4 | -4 | -7 | |
67 | 76 | 67 | 71 | 99 | 97 | 94 | 92 | 96 | 63 | 57 | 76 | 83 | 97 | 99 | 95 | 88 | 91 | |
2150 | 2350 | 2550 | 2600 | 2300 | 750 | 0 | 250 | 0 | 0 | 1050 | 1750 | 1750 | 2100 | 2050 | 650 | 500 | 200 | |
 | 6:50 | — | — | 6:52 | — | — | 6:52 | — | — | 6:52 | — | — | 6:52 | — | — | 6:54 | — | — |
 | — | 4:16 | — | — | 4:16 | — | — | 4:17 | — | — | 4:17 | — | — | 4:19 | — | — | 4:20 | — |
Mild with light rain (total 7.0mm) on Sun afternoon Becoming colder with a light covering of snow, mostly falling on Mon morning. Freeze-thaw conditions (max 12°C on Sun morning, min -5°C on Mon night). Wind will be generally light.
Moderate rain (total 16.0mm) heaviest on Wed afternoon, then becoming colder with a dusting of snow on Thu night. Freeze-thaw conditions (max 7°C on Wed night, min -3°C on Thu night). Wind will be generally light.
Latest snow reports near Oyasu Onsen:
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | — |
| Last snowfall: | 17 Dec 2025 |
| Snow Alerts | Create Alert |
0.4 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
2.6 | Powder days Fresh snow, limited sun, any wind. |
0.4 | 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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