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Oyasu Onsen Weather (Next 3 days): The snow forecast for Oyasu Onsen is: A heavy fall of snow, heaviest during Mon night. Becoming milder with moderate rain (total 13.0mm) on Tue afternoon. Freeze-thaw conditions (max 2°C on Tue morning, min -7°C on Tue night). Mainly strong winds.
Oyasu Onsen Weather (Days 4-6): Moderate rain (total 10.0mm), heaviest on Thu night giving way to a moderate fall of snow, heaviest on Fri morning. Freeze-thaw conditions (max 3°C on Thu night, min -5°C on Sat night). Winds decreasing (fresh winds from the WNW on Fri morning, light winds from the NW by Sat afternoon).
| Resort | Snow Depth | Temp. (°C) | Wind (km/h) | Weather | ||
|---|---|---|---|---|---|---|
| Top Lift: | -7 |  | ||||
| Bottom Lift: | -5 | |
Latest snow reports near Oyasu Onsen:
Monday 12 | Tuesday 13 | Wednesday 14 | Thursday 15 | Friday 16 | Saturday 17 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | | | | | | | | |  | |  | | | |  | |
mod. snow | light snow | heavy snow | light snow | light snow | heavy snow | mod. snow | light snow | mod. snow | light snow | light snow | light snow | light snow | snow shwrs | light snow | snow shwrs | light snow | snow shwrs | |
km/h | ||||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||||
5 | 3 | 14 | 3 | 4 | 13 | 5 | 5 | 5 | 1 | 3 | — | 2 | 1 | 2 | — | 1 | 2 | |
— | — | — | 4 | 9 | — | — | — | — | — | — | 10 | — | — | — | — | — | — | |
max °C | -4 | -4 | 1 | 2 | 2 | -2 | -6 | -5 | -4 | 1 | 2 | 3 | 0 | -2 | -3 | 0 | 0 | -1 |
min °C | -5 | -4 | -4 | 1 | 0 | -7 | -6 | -6 | -5 | -2 | 2 | 1 | 0 | -3 | -4 | -2 | -1 | -5 |
-14 | -13 | -9 | -4 | -7 | -16 | -14 | -15 | -12 | -7 | -3 | -4 | -6 | -9 | -10 | -7 | -3 | -9 | |
94 | 93 | 97 | 98 | 98 | 95 | 94 | 94 | 92 | 94 | 99 | 98 | 97 | 90 | 94 | 91 | 93 | 98 | |
0 | 0 | 0 | 650 | 800 | 0 | 0 | 0 | 0 | 200 | 750 | 1100 | 450 | 200 | 0 | 250 | 450 | 300 | |
 | 6:54 | — | — | 6:54 | — | — | 6:54 | — | — | 6:54 | — | — | 6:54 | — | — | 6:54 | — | — |
 | — | 4:35 | — | — | 4:36 | — | — | 4:37 | — | — | 4:37 | — | — | 4:38 | — | — | 4:39 | — |
A heavy fall of snow, heaviest during Mon night. Becoming milder with moderate rain (total 13.0mm) on Tue afternoon. Freeze-thaw conditions (max 2°C on Tue morning, min -7°C on Tue night). Mainly strong winds.
Moderate rain (total 10.0mm), heaviest on Thu night giving way to a moderate fall of snow, heaviest on Fri morning. Freeze-thaw conditions (max 3°C on Thu night, min -5°C on Sat night). Winds decreasing (fresh winds from the WNW on Fri morning, light winds from the NW by Sat afternoon).
Latest snow reports near Oyasu Onsen:
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | 20 cm |
| Last snowfall: | 11 Jan 2026 |
| Snow Alerts | Create Alert |
0.3 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
3.4 | 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 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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