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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 light rain (total 3.0mm) on Tue afternoon. Freeze-thaw conditions (max 2°C on Tue morning, min -7°C on Tue night). Winds increasing (light winds from the W on Mon night, near gales from the WSW by Tue afternoon).
Oyasu Onsen Weather (Days 4-6): Light rain (total 5.0mm) on Thu night. Becoming colder with heavy fall of snow, heaviest during Thu night. Freeze-thaw conditions (max 3°C on Thu night, min -4°C on Fri afternoon). Winds decreasing (fresh winds from the WNW on Fri afternoon, light winds from the WNW by Sat afternoon).
| Resort | Snow Depth | Temp. (°C) | Wind (km/h) | Weather | ||
|---|---|---|---|---|---|---|
| Top Lift: | -4 |  | ||||
| Bottom Lift: | -3 | |
Latest snow reports near Oyasu Onsen:
Mon 12 | Tuesday 13 | Wednesday 14 | Thursday 15 | Friday 16 | Saturday 17 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | | |  |  | | | | | | | |  | | | | |
light snow | mod. snow | light snow | light snow | heavy snow | mod. snow | light snow | mod. snow | snow shwrs | light snow | mod. snow | light snow | light snow | light snow | light snow | light snow | mod. snow | |
km/h | |||||||||||||||||
Snow map |  |  |  |  |  |  | |||||||||||
3 | 6 | 2 | 3 | 14 | 6 | 5 | 6 | — | 2 | 6 | 4 | 2 | 4 | 2 | 3 | 6 | |
— | — | — | 3 | — | — | — | — | — | — | 5 | — | — | — | — | — | — | |
max °C | -4 | 0 | 2 | 2 | -4 | -7 | -6 | -4 | 0 | 1 | 3 | 0 | -3 | -4 | -1 | -1 | -2 |
min °C | -5 | -5 | 0 | 0 | -7 | -7 | -6 | -5 | -2 | 1 | 0 | -1 | -4 | -4 | -3 | -2 | -4 |
-13 | -12 | -6 | -8 | -16 | -16 | -15 | -13 | -9 | -3 | -6 | -8 | -11 | -11 | -9 | -6 | -11 | |
92 | 96 | 96 | 95 | 95 | 94 | 94 | 89 | 90 | 99 | 98 | 98 | 93 | 95 | 94 | 95 | 97 | |
0 | 0 | 600 | 850 | 0 | 0 | 0 | 0 | 200 | 700 | 1000 | 450 | 100 | 0 | 0 | 350 | 250 | |
 | — | — | 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 light rain (total 3.0mm) on Tue afternoon. Freeze-thaw conditions (max 2°C on Tue morning, min -7°C on Tue night). Winds increasing (light winds from the W on Mon night, near gales from the WSW by Tue afternoon).
Light rain (total 5.0mm) on Thu night. Becoming colder with heavy fall of snow, heaviest during Thu night. Freeze-thaw conditions (max 3°C on Thu night, min -4°C on Fri afternoon). Winds decreasing (fresh winds from the WNW on Fri afternoon, light winds from the WNW 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 |
0.5 | 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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