Osa Weather (Next 3 days): The snow forecast for Osa is: A dusting of new snow. Freeze-thaw conditions (max 7°C on Sat afternoon, min -6°C on Wed night). Wind will be generally light.
Osa Weather (Days 4-6): Light rain (total 3.0mm), mostly falling on Tue afternoon. Freeze-thaw conditions (max 8°C on Sun morning, min -3°C on Sun night). Winds increasing (light winds from the W on Mon night, gales from the S by Tue afternoon).
| Resort | Snow Depth | Temp. (°C) | Wind (km/h) | Weather | ||
|---|---|---|---|---|---|---|
| Top Lift: | -6 |  | ||||
| Bottom Lift: | -4 | |
Thursday 19 | Friday 20 | Saturday 21 | Sunday 22 | Monday 23 | ||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
|  | |  |  | |  | | | | |  |  | | | | |
snow shwrs | clear | clear | cloudy | some clouds | clear | clear | clear | clear | clear | clear | cloudy | some clouds | clear | clear | some clouds | |
km/h | ||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||
2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | -4 | -1 | 1 | 1 | 3 | 3 | 1 | 5 | 7 | 6 | 8 | 8 | 5 | 2 | 5 | 5 |
min °C | -6 | -3 | 0 | -1 | 1 | 1 | 1 | 3 | 5 | 5 | 7 | 8 | -3 | 0 | 4 | 5 |
-12 | -7 | -4 | -6 | -5 | -5 | -4 | -2 | 3 | 1 | 2 | 3 | -11 | -7 | 2 | 3 | |
95 | 48 | 46 | 62 | 73 | 62 | 53 | 52 | 52 | 39 | 75 | 87 | 78 | 22 | 15 | 19 | |
400 | 550 | 1100 | 850 | 1200 | 1350 | 1300 | 1550 | 2250 | 2750 | 2650 | 2500 | 1150 | 1000 | 2150 | 2700 | |
 | — | 6:52 | — | — | 6:52 | — | — | 6:50 | — | — | 6:48 | — | — | 6:48 | — | — |
 | — | — | 5:57 | — | — | 5:58 | — | — | 5:59 | — | — | 5:59 | — | — | 6:00 | — |
A dusting of new snow. Freeze-thaw conditions (max 7°C on Sat afternoon, min -6°C on Wed night). Wind will be generally light.
Light rain (total 3.0mm), mostly falling on Tue afternoon. Freeze-thaw conditions (max 8°C on Sun morning, min -3°C on Sun night). Winds increasing (light winds from the W on Mon night, gales from the S by Tue afternoon).
Latest snow reports near Osa:
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | — |
| Last snowfall: | 11 Feb 2026 |
| Snow Alerts | Create Alert |
0.4 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
0.9 | Powder days Fresh snow, limited sun, any wind. |
1.3 | 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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