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Osa Weather (Next 3 days): The snow forecast for Osa is: A moderate fall of snow, heaviest on Fri night. Temperatures will be below freezing (max 0°C on Sun morning, min -6°C on Fri night). Mainly strong winds.
Osa Weather (Days 4-6): A moderate fall of snow, heaviest on Wed afternoon. Freeze-thaw conditions (max 3°C on Tue morning, min -6°C on Wed night). Winds increasing (calm on Tue afternoon, near gales from the WNW by Wed afternoon).
| Resort | Snow Depth | Temp. (°C) | Wind (km/h) | Weather | ||
|---|---|---|---|---|---|---|
| Top Lift: | -6 |  | ||||
| Bottom Lift: | -3 |  |
Latest snow reports near Osa:
Saturday 3 | Sunday 4 | Monday 5 | Tuesday 6 | Wednesday 7 | ||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
|  |  |  |  |  | | | | | | | | | | | |
mod. snow | light snow | snow shwrs | some clouds | some clouds | cloudy | some clouds | light snow | light snow | some clouds | some clouds | some clouds | light snow | light snow | light snow | light snow | |
km/h | ||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||
8 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | 4 | 5 | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | -5 | -3 | -4 | -2 | 0 | 0 | 0 | -1 | 0 | 0 | 3 | 2 | 0 | -1 | -3 | -5 |
min °C | -6 | -5 | -4 | -4 | -1 | 0 | -1 | -1 | -1 | -2 | 1 | 0 | -1 | -2 | -5 | -6 |
-15 | -12 | -12 | -12 | -7 | -7 | -7 | -8 | -6 | -7 | -3 | -2 | -8 | -10 | -16 | -17 | |
91 | 92 | 91 | 92 | 93 | 91 | 95 | 91 | 87 | 92 | 40 | 69 | 70 | 91 | 95 | 92 | |
250 | 400 | 550 | 0 | 900 | 1100 | 900 | 950 | 950 | 700 | 1350 | 1250 | 1000 | 800 | 650 | 300 | |
 | — | 7:18 | — | — | 7:18 | — | — | 7:18 | — | — | 7:18 | — | — | 7:18 | — | — |
 | — | — | 5:12 | — | — | 5:12 | — | — | 5:13 | — | — | 5:14 | — | — | 5:15 | — |
A moderate fall of snow, heaviest on Fri night. Temperatures will be below freezing (max 0°C on Sun morning, min -6°C on Fri night). Mainly strong winds.
A moderate fall of snow, heaviest on Wed afternoon. Freeze-thaw conditions (max 3°C on Tue morning, min -6°C on Wed night). Winds increasing (calm on Tue afternoon, near gales from the WNW by Wed afternoon).
Latest snow reports near Osa:
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | 12 cm |
| Last snowfall: | 1 Jan 2026 |
| Snow Alerts | Create Alert |
0.4 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
1.2 | Powder days Fresh snow, limited sun, any wind. |
1.0 | 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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