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Osa Weather (Next 3 days): The snow forecast for Osa is: Light rain (total 2.0mm), mostly falling on Thu afternoon. Freeze-thaw conditions (max 7°C on Thu afternoon, min -2°C on Wed morning). Winds decreasing (strong winds from the WSW on Thu afternoon, light winds from the WNW by Fri afternoon).
Osa Weather (Days 4-6): Light rain (total 7.0mm), mostly falling on Mon afternoon. Freeze-thaw conditions (max 8°C on Sun afternoon, min 0°C on Mon night). Winds increasing (calm on Sat afternoon, fresh winds from the NW by Mon night).
| Resort | Snow Depth | Temp. (°C) | Wind (km/h) | Weather | ||
|---|---|---|---|---|---|---|
| Top Lift: | -4 |  | ||||
| Bottom Lift: | -3 | |
Latest snow reports near Osa:
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 | |
 | |  |  |  |  | | | |  | | | | | | |  |  | |
clear | clear | some clouds | cloudy | rain shwrs | rain shwrs | clear | clear | clear | some clouds | cloudy | clear | clear | clear | clear | some clouds | light rain | light snow | |
km/h | ||||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
— | — | — | — | 1 | 1 | — | — | — | — | — | — | — | — | — | — | 5 | 2 | |
max °C | 0 | 0 | 2 | 6 | 7 | 6 | 7 | 7 | 6 | 7 | 7 | 5 | 7 | 8 | 6 | 8 | 6 | 3 |
min °C | -2 | 0 | 0 | 4 | 7 | 3 | 5 | 6 | 5 | 6 | 5 | 4 | 5 | 6 | 6 | 7 | 4 | 0 |
-10 | -6 | -6 | -2 | 2 | -3 | 1 | 3 | 2 | 3 | 5 | 2 | 3 | 5 | 4 | 4 | 0 | -6 | |
59 | 67 | 80 | 80 | 85 | 93 | 46 | 31 | 24 | 32 | 54 | 58 | 56 | 61 | 52 | 64 | 98 | 96 | |
650 | 900 | 1000 | 1700 | 1850 | 1750 | 1900 | 1950 | 2100 | 2050 | 1900 | 2100 | 2100 | 2050 | 2200 | 2000 | 2000 | 1250 | |
 | 7:18 | — | — | 7:18 | — | — | 7:16 | — | — | 7:16 | — | — | 7:16 | — | — | 7:16 | — | — |
 | — | 5:21 | — | — | 5:22 | — | — | 5:22 | — | — | 5:23 | — | — | 5:24 | — | — | 5:25 | — |
Light rain (total 2.0mm), mostly falling on Thu afternoon. Freeze-thaw conditions (max 7°C on Thu afternoon, min -2°C on Wed morning). Winds decreasing (strong winds from the WSW on Thu afternoon, light winds from the WNW by Fri afternoon).
Light rain (total 7.0mm), mostly falling on Mon afternoon. Freeze-thaw conditions (max 8°C on Sun afternoon, min 0°C on Mon night). Winds increasing (calm on Sat afternoon, fresh winds from the NW by Mon night).
Latest snow reports near Osa:
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | — |
| Last snowfall: | 11 Jan 2026 |
| Snow Alerts | Create Alert |
0.6 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
1.4 | Powder days Fresh snow, limited sun, any wind. |
0.9 | Bluebird days Average snow, mostly sunny, light wind. |
The above table gives the weather forecast for Osa at the specific elevation of 865 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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