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Osa Weather (Next 3 days): The snow forecast for Osa is: Light rain (total 2.0mm), mostly falling on Wed morning. Mild temperatures (max 6°C on Thu morning, min 2°C on Wed morning). Winds increasing (light winds from the W on Wed morning, fresh winds from the WNW by Fri afternoon).
Osa Weather (Days 4-6): Light rain (total 7.0mm), mostly falling on Mon night. Very mild (max 10°C on Sun morning, min 5°C on Sat morning). Winds increasing (light winds from the SW on Sat afternoon, fresh winds from the W by Mon night).
| Resort | Snow Depth | Temp. (°C) | Wind (km/h) | Weather | ||
|---|---|---|---|---|---|---|
| Top Lift: | 0 |  | ||||
| Bottom Lift: | 2 |  |
Latest snow reports near Osa:
Wednesday 19 | Thursday 20 | Friday 21 | Saturday 22 | Sunday 23 | Monday 24 | Tuesday 25 | |||||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  |  | | |  |  | | | | | | | | |  |  | | | |
light snow | some clouds | some clouds | cloudy | rain shwrs | some clouds | some clouds | clear | cloudy | some clouds | clear | some clouds | cloudy | clear | cloudy | clear | some clouds | rain shwrs | light rain | clear | some clouds | |
km/h | |||||||||||||||||||||
Snow map |  |  |  |  |  |  |  | ||||||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
1 | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | 7 | 1 | — | — | |
max°C | 2 | 3 | 3 | 6 | 6 | 5 | 6 | 5 | 5 | 7 | 8 | 7 | 10 | 10 | 7 | 9 | 9 | 7 | 6 | 3 | 1 |
min°C | 2 | 2 | 2 | 5 | 5 | 5 | 5 | 3 | 4 | 5 | 6 | 7 | 8 | 7 | 7 | 8 | 7 | 6 | 4 | 1 | 1 |
-2 | 0 | -1 | 1 | 1 | 1 | 0 | -3 | -1 | 2 | 5 | 6 | 6 | 6 | 4 | 5 | 4 | 3 | -2 | -6 | -5 | |
93 | 79 | 81 | 85 | 83 | 78 | 84 | 70 | 84 | 81 | 68 | 55 | 44 | 52 | 80 | 82 | 84 | 87 | 94 | 64 | 81 | |
1100 | 1250 | 1150 | 1450 | 1600 | 1950 | 1550 | 1400 | 1450 | 1500 | 2250 | 2750 | 2800 | 2650 | 2250 | 2250 | 2250 | 2100 | 1750 | 1150 | 1000 | |
 | 6:48 | — | — | 6:48 | — | — | 6:50 | — | — | 6:50 | — | — | 6:52 | — | — | 6:52 | — | — | 6:52 | — | — |
 | — | 5:04 | — | — | 5:02 | — | — | 5:02 | — | — | 5:01 | — | — | 5:01 | — | — | 5:00 | — | — | 5:00 | — |
Light rain (total 2.0mm), mostly falling on Wed morning. Mild temperatures (max 6°C on Thu morning, min 2°C on Wed morning). Winds increasing (light winds from the W on Wed morning, fresh winds from the WNW by Fri afternoon).
Light rain (total 7.0mm), mostly falling on Mon night. Very mild (max 10°C on Sun morning, min 5°C on Sat morning). Winds increasing (light winds from the SW on Sat afternoon, fresh winds from the W by Mon night).
Latest snow reports near Osa:
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | 1.0 cm |
| Last snowfall: | 18 Nov 2025 |
| Snow Alerts | Create Alert |
0.0 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
0.2 | Powder days Fresh snow, limited sun, any wind. |
0.0 | 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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