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Osa Weather (Next 3 days): The snow forecast for Osa is: Light rain (total 3.0mm) at first, then becoming colder with a dusting of snow on Tue night. Freeze-thaw conditions (max 10°C on Mon morning, min 0°C on Tue morning). Winds decreasing (fresh winds from the WNW on Mon night, calm by Wed afternoon).
Osa Weather (Days 4-6): Some drizzle, heaviest during Fri afternoon. Mild temperatures (max 7°C on Fri morning, min 3°C on Fri night). Winds decreasing (fresh winds from the NW on Fri night, calm by Sat afternoon).
| Resort | Snow Depth | Temp. (°C) | Wind (km/h) | Weather | ||
|---|---|---|---|---|---|---|
| Top Lift: | 8 |  | ||||
| Bottom Lift: | 11 | |
Latest snow reports near Osa:
Monday 17 | Tuesday 18 | Wednesday 19 | Thursday 20 | Friday 21 | Saturday 22 | Sunday 23 | |||||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  |  |  | | | |  | | | | | | | |  | | | | |
rain shwrs | some clouds | some clouds | cloudy | light snow | light snow | light snow | light rain | some clouds | clear | some clouds | some clouds | cloudy | rain shwrs | some clouds | some clouds | clear | clear | clear | clear | some clouds | |
km/h | |||||||||||||||||||||
Snow map |  |  |  |  |  |  |  | ||||||||||||||
— | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
1 | — | — | — | — | — | 1 | 1 | — | — | — | — | — | 1 | — | — | — | — | — | — | — | |
max°C | 10 | 6 | 3 | 1 | 0 | 1 | 3 | 3 | 3 | 6 | 6 | 5 | 7 | 7 | 4 | 6 | 6 | 6 | 9 | 10 | 7 |
min°C | 9 | 5 | 1 | 0 | 0 | 0 | 1 | 3 | 2 | 4 | 5 | 5 | 6 | 5 | 3 | 5 | 5 | 5 | 9 | 8 | 6 |
6 | 0 | -6 | -7 | -7 | -7 | -2 | 3 | 0 | 1 | 2 | 1 | 2 | 0 | -3 | 2 | 5 | 3 | 8 | 7 | 3 | |
75 | 83 | 82 | 83 | 79 | 88 | 92 | 82 | 79 | 61 | 77 | 81 | 86 | 84 | 82 | 72 | 75 | 55 | 41 | 50 | 45 | |
2950 | 1950 | 1150 | 900 | 900 | 900 | 1050 | 1250 | 1150 | 1400 | 1700 | 1850 | 1750 | 1900 | 1350 | 1400 | 1900 | 2700 | 2800 | 2700 | 2500 | |
 | 6:46 | — | — | 6:47 | — | — | 6:48 | — | — | 6:48 | — | — | 6:50 | — | — | 6:50 | — | — | 6:52 | — | — |
 | — | 5:05 | — | — | 5:04 | — | — | 5:04 | — | — | 5:02 | — | — | 5:02 | — | — | 5:01 | — | — | 5:01 | — |
Light rain (total 3.0mm) at first, then becoming colder with a dusting of snow on Tue night. Freeze-thaw conditions (max 10°C on Mon morning, min 0°C on Tue morning). Winds decreasing (fresh winds from the WNW on Mon night, calm by Wed afternoon).
Some drizzle, heaviest during Fri afternoon. Mild temperatures (max 7°C on Fri morning, min 3°C on Fri night). Winds decreasing (fresh winds from the NW on Fri night, calm by Sat afternoon).
Latest snow reports near Osa:
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | — |
| Last snowfall: | 15 Apr 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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