Osa Weather (Next 3 days): The snow forecast for Osa is: Mostly dry. Freeze-thaw conditions (max 4°C on Sat morning, min -3°C on Fri afternoon). Winds increasing (calm on Wed night, fresh winds from the NNE by Fri afternoon).
Osa Weather (Days 4-6): Mostly dry. Mild temperatures (max 8°C on Tue morning, min 2°C on Sat night). Wind will be generally light.
| Resort | Snow Depth | Temp. (°C) | Wind (km/h) | Weather | ||
|---|---|---|---|---|---|---|
| Top Lift: | 0 |  | ||||
| Bottom Lift: | 2 | |
Wed 11 | Thursday 12 | Friday 13 | Saturday 14 | Sunday 15 | Monday 16 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | | |  |  | |  | | | | |  | | | | | |
some clouds | clear | clear | clear | some clouds | light snow | light snow | snow shwrs | some clouds | some clouds | clear | clear | cloudy | some clouds | clear | some clouds | some clouds | |
km/h | |||||||||||||||||
Snow map |  |  |  |  |  |  | |||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | 3 | 0 | 3 | 3 | -1 | 0 | -1 | -1 | 4 | 5 | 3 | 5 | 5 | 3 | 6 | 6 | 4 |
min °C | 1 | -1 | 1 | 1 | -2 | -2 | -3 | -3 | 1 | 4 | 2 | 4 | 4 | 2 | 4 | 5 | 3 |
1 | -3 | -2 | -4 | -8 | -9 | -11 | -10 | -4 | 2 | 0 | 2 | 3 | 2 | 4 | 5 | 1 | |
55 | 68 | 44 | 56 | 78 | 83 | 69 | 64 | 67 | 59 | 42 | 43 | 66 | 65 | 57 | 76 | 83 | |
1200 | 900 | 1000 | 1150 | 500 | 700 | 750 | 400 | 950 | 1550 | 1750 | 1400 | 1450 | 1500 | 1350 | 1600 | 1700 | |
 | — | — | 6:26 | — | — | 6:24 | — | — | 6:24 | — | — | 6:22 | — | — | 6:20 | — | — |
 | 6:14 | — | — | 6:15 | — | — | 6:15 | — | — | 6:16 | — | — | 6:17 | — | — | 6:17 | — |
Mostly dry. Freeze-thaw conditions (max 4°C on Sat morning, min -3°C on Fri afternoon). Winds increasing (calm on Wed night, fresh winds from the NNE by Fri afternoon).
Mostly dry. Mild temperatures (max 8°C on Tue morning, min 2°C on Sat night). Wind will be generally light.
Latest snow reports near Osa:
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | 6 cm |
| Last snowfall: | 9 Mar 2026 |
| Snow Alerts | Create Alert |
0.2 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
0.3 | Powder days Fresh snow, limited sun, any wind. |
0.6 | 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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