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 6°C on Sat afternoon, min -6°C on Wed night). Winds decreasing (fresh winds from the WNW on Thu morning, calm by Fri afternoon).
Oyasu Onsen Weather (Days 4-6): Drizzle at first, then turning colder with dusting of snow on Mon morning. Freeze-thaw conditions (max 8°C on Sun morning, min 0°C on Mon night). Winds decreasing (fresh winds from the W on Mon afternoon, calm by Tue morning).
| Resort | Snow Depth | Temp. (°C) | Wind (km/h) | Weather | ||
|---|---|---|---|---|---|---|
| Top Lift: | -5 |  | ||||
| Bottom Lift: | -3 |  |
Thursday 19 | Friday 20 | Saturday 21 | Sunday 22 | Monday 23 | ||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
|  | |  |  | |  |  | | | | |  | | | | |
heavy snow | light snow | light snow | light snow | some clouds | some clouds | clear | clear | some clouds | clear | some clouds | some clouds | rain shwrs | light snow | light snow | light snow | |
km/h | ||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||
12 | 3 | 1 | — | — | — | — | — | — | — | — | — | — | 2 | — | 1 | |
— | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | |
max °C | -2 | -4 | -4 | -4 | 1 | 2 | -2 | 5 | 6 | 3 | 8 | 8 | 7 | 1 | 1 | 1 |
min °C | -6 | -5 | -5 | -5 | -1 | -2 | -2 | 3 | 2 | 2 | 6 | 5 | 2 | 1 | 1 | 0 |
-15 | -14 | -12 | -12 | -4 | -2 | -4 | 1 | 1 | 0 | 4 | 2 | -3 | -5 | -6 | -4 | |
95 | 92 | 85 | 93 | 84 | 77 | 84 | 65 | 69 | 68 | 70 | 66 | 78 | 97 | 86 | 97 | |
0 | 0 | 0 | 0 | 300 | 650 | 0 | 950 | 1100 | 1500 | 2100 | 2350 | 2300 | 600 | 600 | 450 | |
 | — | 6:24 | — | — | 6:22 | — | — | 6:22 | — | — | 6:20 | — | — | 6:18 | — | — |
 | — | — | 5:17 | — | — | 5:19 | — | — | 5:20 | — | — | 5:21 | — | — | 5:22 | — |
A moderate fall of snow, heaviest on Wed night. Freeze-thaw conditions (max 6°C on Sat afternoon, min -6°C on Wed night). Winds decreasing (fresh winds from the WNW on Thu morning, calm by Fri afternoon).
Drizzle at first, then turning colder with dusting of snow on Mon morning. Freeze-thaw conditions (max 8°C on Sun morning, min 0°C on Mon night). Winds decreasing (fresh winds from the W on Mon afternoon, calm by Tue morning).
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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