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Oyasu Onsen Weather (Next 3 days): The snow forecast for Oyasu Onsen is: Moderate rain (total 13.0mm) on Thu night. Becoming colder with heavy fall of snow, heaviest during Fri morning. Freeze-thaw conditions (max 3°C on Thu night, min -7°C on Wed morning). Winds decreasing (strong winds from the WNW on Wed afternoon, light winds from the W by Thu morning).
Oyasu Onsen Weather (Days 4-6): Mild at first with light rain (total 9.0mm) on Mon afternoon followed by colder weather and light fall of snow, heaviest on Mon night. Freeze-thaw conditions (max 2°C on Mon morning, min -7°C on Mon night). Winds increasing (calm on Sun night, strong winds from the WNW by Mon night).
| Resort | Snow Depth | Temp. (°C) | Wind (km/h) | Weather | ||
|---|---|---|---|---|---|---|
| Top Lift: | -7 |  | ||||
| Bottom Lift: | -6 | |
Latest snow reports near Oyasu Onsen:
Wednesday 14 | Thursday 15 | Friday 16 | Saturday 17 | Sunday 18 | Monday 19 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | | | | |  | | | | | |  | | |  |  |  | | |
light snow | light snow | mod. snow | light snow | light snow | light snow | light snow | light snow | light snow | light snow | light snow | snow shwrs | light snow | light snow | cloudy | cloudy | mod. rain | mod. snow | |
km/h | ||||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||||
4 | 4 | 6 | 4 | 3 | 2 | 4 | 2 | 2 | 1 | 3 | 1 | — | — | — | — | — | 10 | |
— | — | — | — | — | 13 | — | — | — | — | — | — | — | — | — | — | 9 | — | |
max °C | -6 | -7 | -3 | 1 | 2 | 3 | 0 | -2 | -3 | 0 | 0 | -2 | -2 | -2 | -2 | 2 | 2 | 1 |
min °C | -7 | -7 | -5 | -1 | 2 | 0 | -1 | -3 | -4 | -2 | -1 | -5 | -3 | -5 | -6 | 1 | 2 | -7 |
-16 | -17 | -14 | -5 | -3 | -5 | -8 | -10 | -11 | -7 | -6 | -11 | -7 | -9 | -9 | -2 | -3 | -17 | |
94 | 94 | 88 | 96 | 99 | 96 | 98 | 91 | 92 | 95 | 97 | 87 | 92 | 88 | 79 | 76 | 99 | 95 | |
0 | 0 | 0 | 400 | 850 | 950 | 500 | 250 | 0 | 300 | 500 | 0 | 0 | 250 | 0 | 800 | 1000 | 250 | |
 | 6:54 | — | — | 6:54 | — | — | 6:54 | — | — | 6:54 | — | — | 6:52 | — | — | 6:52 | — | — |
 | — | 4:37 | — | — | 4:37 | — | — | 4:38 | — | — | 4:39 | — | — | 4:40 | — | — | 4:42 | — |
Moderate rain (total 13.0mm) on Thu night. Becoming colder with heavy fall of snow, heaviest during Fri morning. Freeze-thaw conditions (max 3°C on Thu night, min -7°C on Wed morning). Winds decreasing (strong winds from the WNW on Wed afternoon, light winds from the W by Thu morning).
Mild at first with light rain (total 9.0mm) on Mon afternoon followed by colder weather and light fall of snow, heaviest on Mon night. Freeze-thaw conditions (max 2°C on Mon morning, min -7°C on Mon night). Winds increasing (calm on Sun night, strong winds from the WNW by Mon night).
Latest snow reports near Oyasu Onsen:
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | 31 cm |
| Last snowfall: | 13 Jan 2026 |
| Snow Alerts | Create Alert |
0.5 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
3.6 | Powder days Fresh snow, limited sun, any wind. |
0.5 | 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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