Oyasu Onsen Weather (Next 3 days): The snow forecast for Oyasu Onsen is: Mild with light rain (total 8.0mm) on Wed night Becoming colder with a light covering of snow, mostly falling on Fri night. Freeze-thaw conditions (max 6°C on Wed afternoon, min -5°C on Fri night). Winds increasing (calm on Wed morning, strong winds from the WNW by Fri night).
Oyasu Onsen Weather (Days 4-6): Moderate rain (total 12.0mm), heaviest on Mon morning. Freeze-thaw conditions (max 6°C on Sun morning, min -1°C on Sat morning). Winds decreasing (strong winds from the WNW on Sat morning, light winds from the W by Sat night).
| Resort | Snow Depth | Temp. (°C) | Wind (km/h) | Weather | ||
|---|---|---|---|---|---|---|
| Top Lift: | -2 |  | ||||
| Bottom Lift: | -3 | |
Wednesday 18 | Thursday 19 | Friday 20 | Saturday 21 | Sunday 22 | Monday 23 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  |  |  |  |  | |  |  | |  | | | |  | | | |
cloudy | cloudy | light rain | light rain | light snow | snow shwrs | some clouds | light snow | mod. snow | snow shwrs | snow shwrs | some clouds | cloudy | some clouds | some clouds | mod. rain | snow shwrs | some clouds | |
km/h | ||||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||||
— | — | — | — | — | — | — | 2 | 7 | 1 | — | — | — | — | — | — | — | — | |
— | — | 5 | 1 | 1 | — | — | 1 | — | — | — | — | — | — | — | 8 | 4 | — | |
max °C | 5 | 6 | 5 | 4 | 3 | -1 | 3 | 3 | -3 | 1 | 1 | 0 | 6 | 6 | 3 | 3 | 4 | 0 |
min °C | 4 | 3 | 3 | 3 | 1 | -3 | 1 | 1 | -5 | -1 | 0 | -1 | 4 | 2 | 2 | 3 | 2 | -1 |
4 | 0 | 0 | -2 | -4 | -8 | -3 | -6 | -14 | -8 | -6 | -5 | 1 | -2 | -2 | -2 | -3 | -7 | |
33 | 40 | 98 | 99 | 97 | 83 | 44 | 94 | 77 | 88 | 79 | 89 | 38 | 41 | 61 | 96 | 85 | 80 | |
1150 | 1450 | 1650 | 1250 | 1000 | 200 | 650 | 850 | 0 | 400 | 650 | 250 | 1100 | 1250 | 1250 | 1100 | 1000 | 400 | |
 | 5:45 | — | — | 5:43 | — | — | 5:41 | — | — | 5:39 | — | — | 5:37 | — | — | 5:37 | — | — |
 | — | 5:45 | — | — | 5:46 | — | — | 5:47 | — | — | 5:49 | — | — | 5:50 | — | — | 5:51 | — |
Mild with light rain (total 8.0mm) on Wed night Becoming colder with a light covering of snow, mostly falling on Fri night. Freeze-thaw conditions (max 6°C on Wed afternoon, min -5°C on Fri night). Winds increasing (calm on Wed morning, strong winds from the WNW by Fri night).
Moderate rain (total 12.0mm), heaviest on Mon morning. Freeze-thaw conditions (max 6°C on Sun morning, min -1°C on Sat morning). Winds decreasing (strong winds from the WNW on Sat morning, light winds from the W by Sat night).
Latest snow reports near Oyasu Onsen:
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | — |
| Last snowfall: | 15 Mar 2026 |
| Snow Alerts | Create Alert |
0.3 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
0.7 | 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 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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