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Osa Weather (Next 3 days): The snow forecast for Osa is: Light rain (total 4.0mm), mostly falling on Thu night. Freeze-thaw conditions (max 10°C on Sun morning, min 0°C on Thu night). Winds decreasing (near gales from the W on Thu night, light winds from the WNW by Fri night).
Osa Weather (Days 4-6): Light rain (total 2.0mm), mostly falling on Mon morning. Freeze-thaw conditions (max 10°C on Sun afternoon, min -5°C on Wed morning). Winds increasing (light winds from the W on Mon afternoon, strong winds from the WNW by Tue night).
| Resort | Snow Depth | Temp. (°C) | Wind (km/h) | Weather | ||
|---|---|---|---|---|---|---|
| Top Lift: | 3 |  | ||||
| Bottom Lift: | 6 | |
Latest snow reports near Osa:
Thu 27 | Friday 28 | Saturday 29 | Sunday 30 | Monday 1 | Tuesday 2 | Wednesday 3 | ||||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  |  | | | | |  |  | |  |  | | | |  | | | |
light rain | light snow | cloudy | clear | clear | clear | clear | clear | clear | some clouds | cloudy | light rain | rain shwrs | some clouds | some clouds | cloudy | light snow | light snow | light snow | light snow | |
km/h | ||||||||||||||||||||
Snow map |  |  |  |  |  |  |  | |||||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | |
1 | 3 | — | — | — | — | — | — | — | — | — | 1 | 1 | — | — | — | — | — | — | — | |
max°C | 7 | 3 | 1 | 1 | 3 | 6 | 6 | 6 | 10 | 10 | 9 | 9 | 7 | 7 | 1 | 0 | -2 | -5 | -5 | -5 |
min°C | 6 | 0 | 0 | 1 | 2 | 4 | 5 | 6 | 8 | 8 | 8 | 9 | 5 | 2 | 1 | -2 | -4 | -5 | -6 | -5 |
0 | -8 | -7 | -4 | -1 | 2 | 1 | 2 | 5 | 5 | 4 | 5 | 2 | -3 | -5 | -9 | -13 | -14 | -16 | -15 | |
82 | 92 | 90 | 83 | 41 | 30 | 45 | 72 | 61 | 48 | 49 | 92 | 92 | 54 | 89 | 91 | 93 | 89 | 86 | 85 | |
2050 | 1300 | 1050 | 1100 | 1900 | 2100 | 2450 | 3100 | 2950 | 2950 | 2900 | 2600 | 2450 | 2500 | 1200 | 1000 | 700 | 500 | 400 | 400 | |
 | — | — | 6:56 | — | — | 6:56 | — | — | 6:58 | — | — | 6:58 | — | — | 7:00 | — | — | 7:01 | — | — |
 | 5:00 | — | — | 5:00 | — | — | 5:00 | — | — | 5:00 | — | — | 5:00 | — | — | 5:00 | — | — | 4:59 | — |
Light rain (total 4.0mm), mostly falling on Thu night. Freeze-thaw conditions (max 10°C on Sun morning, min 0°C on Thu night). Winds decreasing (near gales from the W on Thu night, light winds from the WNW by Fri night).
Light rain (total 2.0mm), mostly falling on Mon morning. Freeze-thaw conditions (max 10°C on Sun afternoon, min -5°C on Wed morning). Winds increasing (light winds from the W on Mon afternoon, strong winds from the WNW by Tue night).
Latest snow reports near Osa:
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | — |
| Last snowfall: | 18 Nov 2025 |
| Snow Alerts | Create Alert |
0.1 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
0.2 | Powder days Fresh snow, limited sun, any wind. |
0.1 | 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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