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Oyasu Onsen Weather (Next 3 days): The snow forecast for Oyasu Onsen is: A dusting of snow giving way to moderate rain (total 14.0mm) heaviest on Wed afternoon. Freeze-thaw conditions (max 8°C on Wed night, min -5°C on Mon night). Wind will be generally light.
Oyasu Onsen Weather (Days 4-6): Light rain (total 7.0mm) on Thu night. Becoming colder with heavy fall of snow, heaviest during Fri morning. Freeze-thaw conditions (max 5°C on Thu morning, min -8°C on Fri night). Winds increasing (light winds from the SSW on Thu night, strong winds from the WNW by Fri afternoon).
| Resort | Snow Depth | Temp. (°C) | Wind (km/h) | Weather | ||
|---|---|---|---|---|---|---|
| Top Lift: | -3 |  | ||||
| Bottom Lift: | -1 | |
Latest snow reports near Oyasu Onsen:
Monday 22 | Tuesday 23 | Wednesday 24 | Thursday 25 | Friday 26 | Saturday 27 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
| |  |  |  |  |  |  |  | | |  | |  |  | | | | |
light snow | light snow | snow shwrs | clear | some clouds | cloudy | light rain | mod. rain | light rain | light rain | light rain | light snow | light snow | mod. snow | heavy snow | light snow | light snow | light snow | |
km/h | ||||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||||
2 | — | — | — | — | — | — | — | — | — | — | — | 5 | 6 | 12 | 3 | 2 | — | |
— | — | — | — | — | — | 4 | 7 | 3 | 2 | 1 | 4 | — | — | — | — | — | — | |
max °C | -2 | -2 | -4 | 1 | 1 | 3 | 5 | 6 | 8 | 5 | 3 | 3 | -2 | -6 | -7 | -4 | -3 | -4 |
min °C | -3 | -3 | -5 | -1 | 0 | 1 | 4 | 6 | 7 | 4 | 2 | 2 | -3 | -7 | -8 | -6 | -5 | -6 |
-10 | -7 | -5 | -1 | -2 | -2 | 1 | 3 | 6 | 1 | 0 | -4 | -11 | -17 | -18 | -14 | -10 | -10 | |
93 | 83 | 88 | 64 | 58 | 79 | 88 | 97 | 94 | 99 | 98 | 95 | 94 | 93 | 93 | 92 | 91 | 90 | |
0 | 0 | 0 | 0 | 700 | 1750 | 1900 | 2050 | 2250 | 1300 | 900 | 1100 | 100 | 0 | 0 | 0 | 0 | 0 | |
 | 6:52 | — | — | 6:52 | — | — | 6:52 | — | — | 6:54 | — | — | 6:54 | — | — | 6:54 | — | — |
 | — | 4:17 | — | — | 4:17 | — | — | 4:19 | — | — | 4:20 | — | — | 4:20 | — | — | 4:21 | — |
A dusting of snow giving way to moderate rain (total 14.0mm) heaviest on Wed afternoon. Freeze-thaw conditions (max 8°C on Wed night, min -5°C on Mon night). Wind will be generally light.
Light rain (total 7.0mm) on Thu night. Becoming colder with heavy fall of snow, heaviest during Fri morning. Freeze-thaw conditions (max 5°C on Thu morning, min -8°C on Fri night). Winds increasing (light winds from the SSW on Thu night, strong winds from the WNW by Fri afternoon).
Latest snow reports near Oyasu Onsen:
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | 1 cm |
| Last snowfall: | 21 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. |
0.3 | 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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