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Oyasu Onsen Weather (Next 3 days): The snow forecast for Oyasu Onsen is: A heavy fall of snow, heaviest during Tue night. Becoming milder with moderate rain (total 18.0mm) on Thu night. Freeze-thaw conditions (max 4°C on Thu night, min -7°C on Wed morning). Mainly strong winds.
Oyasu Onsen Weather (Days 4-6): A moderate fall of snow, heaviest on Fri morning. Temperatures will be below freezing (max 0°C on Fri morning, min -5°C on Sat night). Winds decreasing (fresh winds from the WNW on Fri afternoon, calm by Sun afternoon).
| Resort | Snow Depth | Temp. (°C) | Wind (km/h) | Weather | ||
|---|---|---|---|---|---|---|
| Top Lift: | 0 |  | ||||
| Bottom Lift: | 1 | |
Latest snow reports near Oyasu Onsen:
Tuesday 13 | Wednesday 14 | Thursday 15 | Friday 16 | Saturday 17 | Sunday 18 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  | | |  |  | |  | | | | | | |  | |  | |
light snow | light snow | heavy snow | light snow | light snow | snow shwrs | snow shwrs | light snow | light snow | light snow | light snow | light snow | light snow | snow shwrs | snow shwrs | some clouds | some clouds | cloudy | |
km/h | ||||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||||
2 | 4 | 13 | 4 | 4 | 5 | — | 2 | 2 | 4 | 3 | 3 | 1 | 1 | 1 | — | — | — | |
3 | 4 | — | — | — | — | — | — | 11 | — | — | — | — | — | — | — | — | — | |
max °C | 2 | 2 | -3 | -6 | -5 | -3 | 0 | 2 | 4 | 0 | -2 | -3 | -1 | -1 | -3 | -1 | -1 | 0 |
min °C | 1 | -1 | -6 | -7 | -6 | -5 | -1 | 2 | 0 | 0 | -3 | -4 | -2 | -2 | -5 | -2 | -3 | -2 |
-2 | -8 | -15 | -16 | -15 | -13 | -7 | -2 | -5 | -5 | -10 | -11 | -8 | -8 | -10 | -5 | -3 | -2 | |
97 | 97 | 95 | 94 | 94 | 92 | 90 | 98 | 98 | 97 | 92 | 93 | 93 | 91 | 93 | 84 | 80 | 82 | |
550 | 800 | 0 | 0 | 0 | 0 | 200 | 700 | 1100 | 450 | 200 | 0 | 0 | 250 | 0 | 0 | 350 | 0 | |
 | 6:54 | — | — | 6:54 | — | — | 6:54 | — | — | 6:54 | — | — | 6:54 | — | — | 6:52 | — | — |
 | — | 4:36 | — | — | 4:37 | — | — | 4:37 | — | — | 4:38 | — | — | 4:39 | — | — | 4:40 | — |
A heavy fall of snow, heaviest during Tue night. Becoming milder with moderate rain (total 18.0mm) on Thu night. Freeze-thaw conditions (max 4°C on Thu night, min -7°C on Wed morning). Mainly strong winds.
A moderate fall of snow, heaviest on Fri morning. Temperatures will be below freezing (max 0°C on Fri morning, min -5°C on Sat night). Winds decreasing (fresh winds from the WNW on Fri afternoon, calm by Sun afternoon).
Latest snow reports near Oyasu Onsen:
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | 32 cm |
| Last snowfall: | 12 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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