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Oyasu Onsen Weather (Next 3 days): The snow forecast for Oyasu Onsen is: Light rain (total 5.0mm) on Sun afternoon. Becoming colder with heavy fall of snow, heaviest during Tue afternoon. Freeze-thaw conditions (max 4°C on Sun afternoon, min -3°C on Tue night). Winds decreasing (gales from the WSW on Sun night, light winds from the W by Tue afternoon).
Oyasu Onsen Weather (Days 4-6): A dusting of new snow. Freeze-thaw conditions (max 7°C on Sat morning, min -4°C on Thu afternoon). Wind will be generally light.
| Resort | Snow Depth | Temp. (°C) | Wind (km/h) | Weather | ||
|---|---|---|---|---|---|---|
| Top Lift: | 3 |  | ||||
| Bottom Lift: | 4 | |
Latest snow reports near Oyasu Onsen:
Sun 14 | Monday 15 | Tuesday 16 | Wednesday 17 | Thursday 18 | Friday 19 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | | | |  |  |  | | |  |  |  | |  | | |
light rain | light snow | light snow | light snow | light snow | light snow | mod. snow | snow shwrs | snow shwrs | snow shwrs | light snow | cloudy | some clouds | clear | some clouds | clear | clear | |
km/h | |||||||||||||||||
Snow map |  |  |  |  |  |  | |||||||||||
— | 2 | 4 | 2 | — | 1 | 8 | 4 | 1 | 1 | — | — | — | — | — | — | — | |
3 | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | 4 | 3 | 0 | -1 | -1 | 2 | 1 | 0 | -1 | -1 | -3 | -1 | -1 | -2 | 3 | 3 | 3 |
min °C | 3 | 1 | 0 | -2 | -2 | 1 | 1 | -3 | -1 | -3 | -3 | -2 | -4 | -4 | 3 | 2 | 2 |
-4 | -8 | -8 | -10 | -9 | -4 | -3 | -9 | -6 | -9 | -9 | -8 | -7 | -7 | 1 | -1 | -1 | |
99 | 96 | 97 | 97 | 88 | 95 | 99 | 97 | 92 | 94 | 87 | 84 | 84 | 67 | 66 | 79 | 47 | |
1550 | 900 | 550 | 400 | 0 | 650 | 800 | 450 | 350 | 350 | 0 | 300 | 450 | 0 | 1300 | 1900 | 2400 | |
 | — | — | 6:48 | — | — | 6:48 | — | — | 6:48 | — | — | 6:50 | — | — | 6:50 | — | — |
 | 4:15 | — | — | 4:15 | — | — | 4:15 | — | — | 4:15 | — | — | 4:15 | — | — | 4:16 | — |
Light rain (total 5.0mm) on Sun afternoon. Becoming colder with heavy fall of snow, heaviest during Tue afternoon. Freeze-thaw conditions (max 4°C on Sun afternoon, min -3°C on Tue night). Winds decreasing (gales from the WSW on Sun night, light winds from the W by Tue afternoon).
A dusting of new snow. Freeze-thaw conditions (max 7°C on Sat morning, min -4°C on Thu afternoon). Wind will be generally light.
Latest snow reports near Oyasu Onsen:
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | 20 cm |
| Last snowfall: | 13 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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