By using Snow-Forecast, you agree to our Terms & Services.
Sign In with AppleDon't have an account? Join now
Oyasu Onsen Weather (Next 3 days): The snow forecast for Oyasu Onsen is: Heavy rain (total 22.0mm) on Thu night. Becoming colder with heavy fall of snow, heaviest during Fri morning. Freeze-thaw conditions (max 4°C on Thu night, min -7°C on Wed morning). Winds decreasing (fresh winds from the WNW on Wed morning, light winds from the W by Thu morning).
Oyasu Onsen Weather (Days 4-6): Mild at first with light rain (total 9.0mm) on Mon afternoon followed by colder weather and light fall of snow, heaviest on Mon night. Freeze-thaw conditions (max 3°C on Mon morning, min -6°C on Sun night). Winds increasing (calm on Sun night, fresh winds from the WNW by Mon night).
| Resort | Snow Depth | Temp. (°C) | Wind (km/h) | Weather | ||
|---|---|---|---|---|---|---|
| Top Lift: | -7 |  | ||||
| Bottom Lift: | -5 | |
Latest snow reports near Oyasu Onsen:
Wednesday 14 | Thursday 15 | Friday 16 | Saturday 17 | Sunday 18 | Monday 19 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | | | |  |  | | | | | |  | | |  |  | | | |
light snow | light snow | mod. snow | light snow | mod. rain | light snow | light snow | light snow | light snow | light snow | light snow | snow shwrs | light snow | light snow | cloudy | cloudy | mod. rain | mod. snow | |
km/h | ||||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||||
4 | 4 | 5 | 4 | — | 2 | 4 | 2 | 2 | 1 | 3 | 1 | — | — | — | — | — | 9 | |
— | — | — | — | 7 | 15 | — | — | — | — | — | — | — | — | — | — | 9 | — | |
max °C | -6 | -6 | -2 | 1 | 2 | 4 | 0 | -1 | -2 | 0 | 0 | -1 | -2 | -1 | -2 | 3 | 3 | 1 |
min °C | -7 | -6 | -4 | 0 | 2 | 1 | 0 | -3 | -3 | -1 | 0 | -4 | -3 | -5 | -6 | 1 | 3 | -6 |
-16 | -15 | -12 | -3 | -2 | -4 | -5 | -10 | -10 | -6 | -3 | -10 | -7 | -8 | -8 | -2 | -1 | -15 | |
93 | 93 | 87 | 96 | 99 | 95 | 98 | 90 | 92 | 95 | 98 | 87 | 91 | 87 | 81 | 78 | 99 | 95 | |
0 | 0 | 0 | 400 | 850 | 950 | 500 | 250 | 0 | 300 | 500 | 0 | 0 | 250 | 0 | 800 | 1000 | 250 | |
 | 6:54 | — | — | 6:54 | — | — | 6:54 | — | — | 6:54 | — | — | 6:52 | — | — | 6:52 | — | — |
 | — | 4:37 | — | — | 4:37 | — | — | 4:38 | — | — | 4:39 | — | — | 4:40 | — | — | 4:42 | — |
Heavy rain (total 22.0mm) on Thu night. Becoming colder with heavy fall of snow, heaviest during Fri morning. Freeze-thaw conditions (max 4°C on Thu night, min -7°C on Wed morning). Winds decreasing (fresh winds from the WNW on Wed morning, light winds from the W by Thu morning).
Mild at first with light rain (total 9.0mm) on Mon afternoon followed by colder weather and light fall of snow, heaviest on Mon night. Freeze-thaw conditions (max 3°C on Mon morning, min -6°C on Sun night). Winds increasing (calm on Sun night, fresh winds from the WNW by Mon night).
Latest snow reports near Oyasu Onsen:
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | 37 cm |
| Last snowfall: | 13 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.
Snow Report
Webcams
Ski Resort Guide
Snow History
Snow Alerts
Snow
Sign up or Login to access
Nearest