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Oyasu Onsen Weather (Next 3 days): The snow forecast for Oyasu Onsen is: Heavy rain (total 20.0mm) on Wed morning. Becoming colder with heavy fall of snow, heaviest during Thu night. Freeze-thaw conditions (max 9°C on Tue morning, min -6°C on Wed night). Winds increasing (light winds from the SSW on Tue morning, strong winds from the NW by Wed night).
Oyasu Onsen Weather (Days 4-6): A dusting of snow giving way to moderate rain (total 15.0mm) heaviest on Sun morning. Freeze-thaw conditions (max 4°C on Sun morning, min -2°C on Fri afternoon). Winds decreasing (fresh winds from the WNW on Fri night, light winds from the WNW by Sun night).
| Resort | Snow Depth | Temp. (°C) | Wind (km/h) | Weather | ||
|---|---|---|---|---|---|---|
| Top Lift: | 4 |  | ||||
| Bottom Lift: | 5 | |
Latest snow reports near Oyasu Onsen:
Tuesday 2 | Wednesday 3 | Thursday 4 | Friday 5 | Saturday 6 | Sunday 7 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  |  |  |  | | | |  |  |  | | | | |  | |
some clouds | cloudy | mod. rain | mod. rain | light snow | heavy snow | mod. snow | mod. snow | heavy snow | light snow | snow shwrs | snow shwrs | light rain | light rain | some clouds | mod. rain | light rain | light rain | |
km/h | ||||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||||
— | — | — | — | 2 | 14 | 7 | 6 | 15 | 3 | — | 1 | — | — | — | — | — | — | |
— | — | 9 | 7 | 4 | — | — | — | — | — | — | — | 2 | 4 | — | 6 | 2 | 1 | |
max °C | 9 | 8 | 8 | 3 | 3 | 0 | -3 | -2 | -1 | -1 | -1 | 1 | 3 | 2 | 3 | 4 | 4 | 4 |
min °C | 7 | 7 | 4 | 3 | 2 | -6 | -5 | -3 | -2 | -1 | -2 | -2 | 2 | 2 | 1 | 3 | 4 | 3 |
6 | 5 | 1 | 1 | -4 | -15 | -12 | -10 | -8 | -5 | -8 | -9 | -3 | -1 | -2 | 0 | 0 | 0 | |
85 | 89 | 95 | 99 | 98 | 95 | 94 | 95 | 97 | 96 | 82 | 82 | 99 | 100 | 85 | 99 | 100 | 99 | |
1650 | 1750 | 1400 | 950 | 900 | 0 | 0 | 0 | 200 | 250 | 350 | 400 | 850 | 900 | 1050 | 1150 | 1350 | 1250 | |
 | 6:37 | — | — | 6:37 | — | — | 6:39 | — | — | 6:39 | — | — | 6:41 | — | — | 6:41 | — | — |
 | — | 4:15 | — | — | 4:15 | — | — | 4:15 | — | — | 4:14 | — | — | 4:14 | — | — | 4:14 | — |
Heavy rain (total 20.0mm) on Wed morning. Becoming colder with heavy fall of snow, heaviest during Thu night. Freeze-thaw conditions (max 9°C on Tue morning, min -6°C on Wed night). Winds increasing (light winds from the SSW on Tue morning, strong winds from the NW by Wed night).
A dusting of snow giving way to moderate rain (total 15.0mm) heaviest on Sun morning. Freeze-thaw conditions (max 4°C on Sun morning, min -2°C on Fri afternoon). Winds decreasing (fresh winds from the WNW on Fri night, light winds from the WNW by Sun night).
Latest snow reports near Oyasu Onsen:
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | — |
| Last snowfall: | 28 Nov 2025 |
| Snow Alerts | Create Alert |
0.1 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
1.0 | Powder days Fresh snow, limited sun, any wind. |
0.1 | 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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