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Osa Weather (Next 3 days): The snow forecast for Osa is: Some drizzle, heaviest during Sun afternoon. Freeze-thaw conditions (max 7°C on Sun afternoon, min -4°C on Fri morning). Mainly strong winds.
Osa Weather (Days 4-6): Mostly dry. Freeze-thaw conditions (max 5°C on Wed morning, min 0°C on Mon night). Wind will be generally light.
| Resort | Snow Depth | Temp. (°C) | Wind (km/h) | Weather | ||
|---|---|---|---|---|---|---|
| Top Lift: | -1 |  | ||||
| Bottom Lift: | 2 | |
Latest snow reports near Osa:
Friday 5 | Saturday 6 | Sunday 7 | Monday 8 | Tuesday 9 | Wednesday 10 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  | |  |  |  | |  | | | | | | | |  | |
light snow | snow shwrs | clear | clear | clear | some clouds | some clouds | rain shwrs | some clouds | cloudy | some clouds | some clouds | clear | clear | some clouds | cloudy | cloudy | cloudy | |
km/h | ||||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
— | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | |
max °C | -2 | -2 | 1 | 4 | 4 | 4 | 6 | 7 | 5 | 4 | 2 | 0 | 2 | 2 | 2 | 5 | 5 | 5 |
min °C | -4 | -2 | -2 | 3 | 2 | 3 | 5 | 5 | 5 | 3 | 1 | 0 | 1 | 1 | 1 | 3 | 5 | 4 |
-13 | -8 | -4 | -2 | -3 | -3 | 0 | 0 | 0 | -2 | -5 | -6 | -3 | -2 | -2 | 0 | 2 | 1 | |
79 | 84 | 42 | 19 | 64 | 84 | 91 | 84 | 79 | 90 | 75 | 92 | 76 | 70 | 43 | 27 | 28 | 26 | |
600 | 850 | 850 | 1800 | 1450 | 1600 | 1900 | 2100 | 2250 | 1500 | 1250 | 950 | 1100 | 1250 | 1300 | 1750 | 2050 | 2200 | |
 | 7:01 | — | — | 7:03 | — | — | 7:03 | — | — | 7:05 | — | — | 7:05 | — | — | 7:05 | — | — |
 | — | 4:59 | — | — | 4:59 | — | — | 4:59 | — | — | 4:59 | — | — | 5:00 | — | — | 5:00 | — |
Some drizzle, heaviest during Sun afternoon. Freeze-thaw conditions (max 7°C on Sun afternoon, min -4°C on Fri morning). Mainly strong winds.
Mostly dry. Freeze-thaw conditions (max 5°C on Wed morning, min 0°C on Mon night). Wind will be generally light.
Latest snow reports near Osa:
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | 1 cm |
| Last snowfall: | 4 Dec 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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