Oyasu Onsen Weather (Next 3 days): The snow forecast for Oyasu Onsen is: Light rain (total 6.0mm), mostly falling on Tue morning. Freeze-thaw conditions (max 6°C on Wed morning, min -2°C on Tue night). Wind will be generally light.
Oyasu Onsen Weather (Days 4-6): A light fall of snow, heaviest on Fri night. Turning milder with light rain (total 2.0mm) on Sat morning. Freeze-thaw conditions (max 7°C on Sun afternoon, min -4°C on Fri night). Winds decreasing (fresh winds from the WNW on Sat morning, light winds from the SW by Sun night).
| Resort | Snow Depth | Temp. (°C) | Wind (km/h) | Weather | ||
|---|---|---|---|---|---|---|
| Top Lift: | -3 |  | ||||
| Bottom Lift: | -2 | |
Tuesday 17 | Wednesday 18 | Thursday 19 | Friday 20 | Saturday 21 | Sunday 22 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  |  |  |  |  |  | | |  |  | |  | | | | |
rain shwrs | clear | clear | some clouds | cloudy | light rain | light rain | light snow | snow shwrs | some clouds | light snow | mod. snow | snow shwrs | snow shwrs | some clouds | clear | cloudy | cloudy | |
km/h | ||||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||||
— | — | — | — | — | — | — | — | — | — | 3 | 6 | — | — | — | — | — | — | |
1 | — | — | — | — | 3 | 1 | 1 | — | — | — | — | 1 | 1 | — | — | — | — | |
max °C | 3 | 3 | -1 | 6 | 6 | 5 | 4 | 5 | -1 | 5 | 2 | -2 | 2 | 3 | 1 | 6 | 7 | 5 |
min °C | 1 | -1 | -2 | 4 | 3 | 3 | 3 | 1 | -1 | 2 | -1 | -4 | 1 | 2 | -1 | 5 | 3 | 3 |
-3 | -5 | -6 | 4 | 0 | 0 | 0 | -4 | -6 | -2 | -5 | -12 | -6 | -4 | -5 | 2 | 0 | 1 | |
85 | 62 | 73 | 38 | 38 | 97 | 98 | 86 | 75 | 50 | 98 | 86 | 91 | 82 | 84 | 50 | 42 | 48 | |
600 | 750 | 0 | 1100 | 1400 | 1450 | 1150 | 1050 | 250 | 700 | 700 | 0 | 500 | 750 | 0 | 1050 | 1300 | 1500 | |
 | 5:46 | — | — | 5:45 | — | — | 5:43 | — | — | 5:41 | — | — | 5:39 | — | — | 5:37 | — | — |
 | — | 5:45 | — | — | 5:45 | — | — | 5:46 | — | — | 5:47 | — | — | 5:49 | — | — | 5:50 | — |
Light rain (total 6.0mm), mostly falling on Tue morning. Freeze-thaw conditions (max 6°C on Wed morning, min -2°C on Tue night). Wind will be generally light.
A light fall of snow, heaviest on Fri night. Turning milder with light rain (total 2.0mm) on Sat morning. Freeze-thaw conditions (max 7°C on Sun afternoon, min -4°C on Fri night). Winds decreasing (fresh winds from the WNW on Sat morning, light winds from the SW by Sun night).
Latest snow reports near Oyasu Onsen:
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | 1 cm |
| Last snowfall: | 15 Mar 2026 |
| Snow Alerts | Create Alert |
0.1 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
0.4 | Powder days Fresh snow, limited sun, any wind. |
0.0 | 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.
Snow Report
Webcams
Ski Resort Guide
Snow History
Snow Alerts
Snow
Sign up or Login to access
Nearest