Osa Weather (Next 3 days): The snow forecast for Osa is: A dusting of new snow. Freeze-thaw conditions (max 1°C on Sun afternoon, min -5°C on Sat night). Winds increasing (calm on Sun morning, fresh winds from the NNW by Mon night).
Osa Weather (Days 4-6): Mostly dry. Freeze-thaw conditions (max 2°C on Wed afternoon, min -4°C on Thu night). Winds increasing (calm on Tue afternoon, fresh winds from the NNE by Thu night).
| Resort | Snow Depth | Temp. (°C) | Wind (km/h) | Weather | ||
|---|---|---|---|---|---|---|
| Top Lift: | -3 |  | ||||
| Bottom Lift: | -1 | |
Sat 7 | Sunday 8 | Monday 9 | Tuesday 10 | Wednesday 11 | Thursday 12 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  | |  | | |  | |  | |  | |  | | | | |
light snow | light snow | some clouds | some clouds | some clouds | some clouds | light snow | snow shwrs | some clouds | clear | some clouds | cloudy | cloudy | cloudy | light snow | light snow | snow shwrs | |
km/h | |||||||||||||||||
Snow map |  |  |  |  |  |  | |||||||||||
1 | 2 | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | -2 | -3 | -1 | 1 | -1 | 0 | -1 | -2 | -2 | 0 | -2 | 1 | 2 | 0 | -1 | -1 | -3 |
min °C | -2 | -5 | -3 | 0 | -2 | -1 | -2 | -5 | -3 | -1 | -2 | 0 | 1 | -1 | -1 | -3 | -4 |
-8 | -11 | -7 | -3 | -6 | -6 | -9 | -12 | -9 | -1 | -4 | -3 | -1 | -5 | -6 | -10 | -13 | |
80 | 97 | 77 | 62 | 39 | 87 | 87 | 94 | 79 | 61 | 67 | 40 | 59 | 67 | 89 | 86 | 94 | |
850 | 500 | 600 | 1100 | 450 | 900 | 950 | 600 | 650 | 1000 | 650 | 1000 | 1250 | 1100 | 950 | 900 | 500 | |
 | — | — | 6:31 | — | — | 6:30 | — | — | 6:28 | — | — | 6:28 | — | — | 6:26 | — | — |
 | 6:10 | — | — | 6:12 | — | — | 6:13 | — | — | 6:13 | — | — | 6:14 | — | — | 6:15 | — |
A dusting of new snow. Freeze-thaw conditions (max 1°C on Sun afternoon, min -5°C on Sat night). Winds increasing (calm on Sun morning, fresh winds from the NNW by Mon night).
Mostly dry. Freeze-thaw conditions (max 2°C on Wed afternoon, min -4°C on Thu night). Winds increasing (calm on Tue afternoon, fresh winds from the NNE by Thu night).
Latest snow reports near Osa:
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | 1 cm |
| Last snowfall: | 6 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. |
0.7 | Bluebird days Average snow, mostly sunny, light wind. |
The above table gives the weather forecast for Osa at the specific elevation of 1030 m. Our sophisticated weather models allow us to provide snow forecasts for the top, middle and bottom ski stations of Osa. 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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