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Oyasu Onsen Weather (Next 3 days): The snow forecast for Oyasu Onsen is: Heavy rain (total 26.0mm) on Sat night. Becoming colder with heavy fall of snow, heaviest during Sun night. Freeze-thaw conditions (max 6°C on Sat morning, min -7°C on Sun night). Winds increasing (light winds from the WSW on Fri night, strong winds from the WSW by Sun morning).
Oyasu Onsen Weather (Days 4-6): Light rain (total 9.0mm) on Tue afternoon. Becoming colder with heavy fall of snow, heaviest during Wed afternoon. Freeze-thaw conditions (max 3°C on Tue morning, min -7°C on Tue night). Winds increasing (light winds from the SW on Mon night, strong winds from the W by Tue afternoon).
| Resort | Snow Depth | Temp. (°C) | Wind (km/h) | Weather | ||
|---|---|---|---|---|---|---|
| Top Lift: | -3 |  | ||||
| Bottom Lift: | -3 | |
Latest snow reports near Oyasu Onsen:
Fri 9 | Saturday 10 | Sunday 11 | Monday 12 | Tuesday 13 | Wednesday 14 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | | | |  |  | | | |  | | | | | | |
light snow | snow shwrs | some clouds | some clouds | light snow | light snow | mod. snow | heavy snow | mod. snow | light snow | snow shwrs | rain shwrs | light snow | heavy snow | mod. snow | mod. snow | heavy snow | |
km/h | |||||||||||||||||
Snow map |  |  |  |  |  |  | |||||||||||
1 | — | — | — | 3 | 3 | 6 | 11 | 6 | 3 | 6 | — | 4 | 13 | 6 | 7 | 12 | |
— | — | — | — | 26 | — | — | — | — | — | — | 1 | 8 | — | — | — | — | |
max °C | -2 | -1 | 6 | 6 | 4 | 0 | -4 | -6 | -5 | -4 | 1 | 3 | 2 | -2 | -6 | -6 | -4 |
min °C | -3 | -3 | 3 | 4 | 1 | -1 | -5 | -7 | -6 | -4 | -5 | 3 | 0 | -7 | -6 | -6 | -6 |
-8 | -7 | 0 | -1 | -6 | -8 | -13 | -17 | -15 | -12 | -9 | -2 | -8 | -16 | -15 | -16 | -15 | |
90 | 92 | 78 | 53 | 98 | 91 | 95 | 85 | 93 | 93 | 97 | 81 | 98 | 94 | 94 | 93 | 93 | |
200 | 0 | 900 | 1350 | 850 | 450 | 0 | 0 | 0 | 0 | 0 | 900 | 800 | 0 | 0 | 0 | 0 | |
 | — | — | 6:56 | — | — | 6:56 | — | — | 6:54 | — | — | 6:54 | — | — | 6:54 | — | — |
 | 4:31 | — | — | 4:32 | — | — | 4:34 | — | — | 4:35 | — | — | 4:36 | — | — | 4:37 | — |
Heavy rain (total 26.0mm) on Sat night. Becoming colder with heavy fall of snow, heaviest during Sun night. Freeze-thaw conditions (max 6°C on Sat morning, min -7°C on Sun night). Winds increasing (light winds from the WSW on Fri night, strong winds from the WSW by Sun morning).
Light rain (total 9.0mm) on Tue afternoon. Becoming colder with heavy fall of snow, heaviest during Wed afternoon. Freeze-thaw conditions (max 3°C on Tue morning, min -7°C on Tue night). Winds increasing (light winds from the SW on Mon night, strong winds from the W by Tue afternoon).
Latest snow reports near Oyasu Onsen:
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | 33 cm |
| Last snowfall: | 8 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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