Oyasu Onsen Weather (Next 3 days): The snow forecast for Oyasu Onsen is: A heavy fall of snow, heaviest during Wed night. Temperatures will be well below freezing (max -6°C on Fri morning, min -9°C on Wed night). Mainly fresh winds.
Oyasu Onsen Weather (Days 4-6): A heavy fall of snow, heaviest during Sun afternoon. Temperatures will be below freezing (max -4°C on Mon morning, min -8°C on Sat night). Winds increasing (calm on Fri night, fresh winds from the NW by Sun night).
| Resort | Snow Depth | Temp. (°C) | Wind (km/h) | Weather | ||
|---|---|---|---|---|---|---|
| Top Lift: | -8 |  | ||||
| Bottom Lift: | -7 | |
Latest snow reports near Oyasu Onsen:
Wednesday 21 | Thursday 22 | Friday 23 | Saturday 24 | Sunday 25 | ||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | | | | | | | | | | | |  | | | |
heavy snow | light snow | light snow | heavy snow | light snow | light snow | mod. snow | light snow | light snow | mod. snow | light snow | light snow | mod. snow | mod. snow | mod. snow | mod. snow | |
km/h | ||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||
10 | 4 | 4 | 11 | 4 | 4 | 8 | 3 | 4 | 8 | 4 | 4 | 6 | 6 | 9 | 8 | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | -8 | -7 | -7 | -8 | -7 | -7 | -8 | -6 | -6 | -6 | -5 | -5 | -7 | -6 | -7 | -7 |
min °C | -8 | -8 | -8 | -9 | -8 | -8 | -8 | -7 | -6 | -7 | -5 | -6 | -8 | -7 | -8 | -8 |
-16 | -17 | -16 | -16 | -15 | -16 | -16 | -15 | -13 | -7 | -9 | -12 | -16 | -15 | -18 | -18 | |
95 | 93 | 93 | 95 | 94 | 93 | 95 | 94 | 93 | 96 | 93 | 92 | 96 | 94 | 95 | 94 | |
0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
 | — | 6:52 | — | — | 6:50 | — | — | 6:50 | — | — | 6:50 | — | — | 6:48 | — | — |
 | — | — | 4:44 | — | — | 4:45 | — | — | 4:46 | — | — | 4:47 | — | — | 4:49 | — |
A heavy fall of snow, heaviest during Wed night. Temperatures will be well below freezing (max -6°C on Fri morning, min -9°C on Wed night). Mainly fresh winds.
A heavy fall of snow, heaviest during Sun afternoon. Temperatures will be below freezing (max -4°C on Mon morning, min -8°C on Sat night). Winds increasing (calm on Fri night, fresh winds from the NW by Sun night).
Latest snow reports near Oyasu Onsen:
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | 15 cm |
| Last snowfall: | 19 Jan 2026 |
| Snow Alerts | Create Alert |
1.0 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
2.9 | Powder days Fresh snow, limited sun, any wind. |
0.3 | 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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