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Oyasu Onsen Weather (Next 3 days): The snow forecast for Oyasu Onsen is: Moderate rain (total 11.0mm), heaviest on Wed morning. Freeze-thaw conditions (max 8°C on Thu morning, min -6°C on Mon night). Wind will be generally light.
Oyasu Onsen Weather (Days 4-6): Light rain (total 4.0mm) on Thu night. Becoming colder with heavy fall of snow, heaviest during Fri afternoon. Freeze-thaw conditions (max 4°C on Thu night, min -8°C on Fri night). Mainly near gales.
| Resort | Snow Depth | Temp. (°C) | Wind (km/h) | Weather | ||
|---|---|---|---|---|---|---|
| Top Lift: | -5 |  | ||||
| Bottom Lift: | -6 | |
Latest snow reports near Oyasu Onsen:
Tuesday 23 | Wednesday 24 | Thursday 25 | Friday 26 | Saturday 27 | ||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
|  |  |  |  | |  | | |  |  |  |  | | | | |
some clouds | clear | some clouds | cloudy | light rain | light rain | light rain | light rain | light rain | light snow | light snow | mod. snow | heavy snow | light snow | light snow | light snow | |
km/h | ||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||
— | — | — | — | — | — | — | — | — | — | 5 | 9 | 15 | 4 | 2 | 4 | |
— | — | — | — | 3 | 3 | 1 | 1 | 3 | 4 | — | — | — | — | — | — | |
max °C | -5 | 1 | 1 | 2 | 5 | 6 | 7 | 8 | 4 | 4 | -2 | -5 | -7 | -4 | -4 | -2 |
min °C | -6 | -2 | -1 | 1 | 4 | 5 | 6 | 7 | 3 | 1 | -3 | -7 | -8 | -6 | -4 | -4 |
-6 | -2 | -4 | -3 | 2 | 3 | 3 | 5 | 1 | -6 | -12 | -17 | -18 | -15 | -11 | -10 | |
86 | 61 | 54 | 76 | 90 | 97 | 93 | 96 | 98 | 95 | 96 | 94 | 94 | 93 | 94 | 87 | |
0 | 0 | 750 | 1700 | 1700 | 2000 | 2200 | 2050 | 1250 | 1350 | 300 | 0 | 0 | 0 | 0 | 0 | |
 | — | 6:52 | — | — | 6:52 | — | — | 6:54 | — | — | 6:54 | — | — | 6:54 | — | — |
 | — | — | 4:17 | — | — | 4:19 | — | — | 4:20 | — | — | 4:20 | — | — | 4:21 | — |
Moderate rain (total 11.0mm), heaviest on Wed morning. Freeze-thaw conditions (max 8°C on Thu morning, min -6°C on Mon night). Wind will be generally light.
Light rain (total 4.0mm) on Thu night. Becoming colder with heavy fall of snow, heaviest during Fri afternoon. Freeze-thaw conditions (max 4°C on Thu night, min -8°C on Fri night). Mainly near gales.
Latest snow reports near Oyasu Onsen:
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | 5 cm |
| Last snowfall: | 21 Dec 2025 |
| Snow Alerts | Create Alert |
0.4 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
3.1 | Powder days Fresh snow, limited sun, any wind. |
0.4 | 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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