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Osa Weather (Next 3 days): The snow forecast for Osa is: A light covering of new snow, mostly falling on Wed afternoon. Freeze-thaw conditions (max 7°C on Tue morning, min -6°C on Wed night). Winds increasing (light winds from the WNW on Tue morning, near gales from the WNW by Wed night).
Osa Weather (Days 4-6): Some drizzle, heaviest during Sun afternoon. Freeze-thaw conditions (max 7°C on Sun night, min -4°C on Fri morning). Winds decreasing (strong winds from the WNW on Fri morning, light winds from the W by Fri night).
| Resort | Snow Depth | Temp. (°C) | Wind (km/h) | Weather | ||
|---|---|---|---|---|---|---|
| Top Lift: | 4 |  | ||||
| Bottom Lift: | 7 | |
Latest snow reports near Osa:
Tuesday 2 | Wednesday 3 | Thursday 4 | Friday 5 | Saturday 6 | Sunday 7 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  |  | |  | | | | |  |  |  | |  | |  | | |
cloudy | cloudy | cloudy | light snow | light snow | light snow | light snow | some clouds | light snow | light snow | snow shwrs | clear | clear | clear | some clouds | some clouds | rain shwrs | cloudy | |
km/h | ||||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||||
— | — | — | — | 3 | 1 | — | — | 2 | — | — | — | — | — | — | — | — | — | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | |
max °C | 7 | 4 | 3 | -4 | -5 | -5 | -3 | -3 | -1 | -3 | -2 | 1 | 3 | 4 | 3 | 6 | 6 | 7 |
min °C | 6 | 3 | -2 | -4 | -5 | -6 | -4 | -3 | -2 | -4 | -3 | -2 | 3 | 2 | 3 | 5 | 6 | 6 |
4 | -1 | -10 | -13 | -15 | -17 | -11 | -11 | -10 | -13 | -9 | -7 | -1 | -3 | -2 | 0 | 2 | 3 | |
49 | 87 | 91 | 91 | 91 | 87 | 85 | 83 | 95 | 87 | 87 | 43 | 35 | 55 | 91 | 86 | 85 | 39 | |
2300 | 1600 | 1250 | 600 | 400 | 300 | 500 | 700 | 700 | 600 | 750 | 550 | 1900 | 1500 | 1750 | 2000 | 2250 | 2700 | |
 | 7:00 | — | — | 7:01 | — | — | 7:01 | — | — | 7:01 | — | — | 7:03 | — | — | 7:03 | — | — |
 | — | 5:00 | — | — | 4:59 | — | — | 4:59 | — | — | 4:59 | — | — | 4:59 | — | — | 4:59 | — |
A light covering of new snow, mostly falling on Wed afternoon. Freeze-thaw conditions (max 7°C on Tue morning, min -6°C on Wed night). Winds increasing (light winds from the WNW on Tue morning, near gales from the WNW by Wed night).
Some drizzle, heaviest during Sun afternoon. Freeze-thaw conditions (max 7°C on Sun night, min -4°C on Fri morning). Winds decreasing (strong winds from the WNW on Fri morning, light winds from the W by Fri night).
Latest snow reports near Osa:
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | — |
| Last snowfall: | 18 Nov 2025 |
| Snow Alerts | Create Alert |
0.3 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
0.5 | Powder days Fresh snow, limited sun, any wind. |
0.3 | 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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