Osa Weather (Next 3 days): The snow forecast for Osa is: A dusting of new snow. Freeze-thaw conditions (max 5°C on Sat afternoon, min -4°C on Thu night). Winds decreasing (strong winds from the NNE on Fri afternoon, light winds from the NNW by Sat night).
Osa Weather (Days 4-6): Mostly dry. Mild temperatures (max 7°C on Tue morning, min 2°C on Sun night). Wind will be generally light.
| Resort | Snow Depth | Temp. (°C) | Wind (km/h) | Weather | ||
|---|---|---|---|---|---|---|
| Top Lift: | -1 |  | ||||
| Bottom Lift: | 0 | |
Thursday 12 | Friday 13 | Saturday 14 | Sunday 15 | Monday 16 | Tuesday 17 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  |  | |  |  | | | | |  | | | | | | | |
clear | clear | some clouds | light snow | light snow | snow shwrs | some clouds | some clouds | clear | clear | some clouds | cloudy | some clouds | clear | some clouds | some clouds | some clouds | some clouds | |
km/h | ||||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||||
— | — | — | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | 2 | 2 | -2 | -3 | -3 | -2 | 2 | 5 | 3 | 4 | 5 | 3 | 4 | 4 | 3 | 7 | 6 | 5 |
min °C | 0 | 0 | -4 | -3 | -4 | -4 | 1 | 4 | 1 | 3 | 4 | 2 | 3 | 4 | 3 | 5 | 6 | 5 |
-3 | -6 | -12 | -11 | -13 | -13 | -5 | 2 | -3 | 0 | 3 | 0 | 1 | 2 | 3 | 3 | 5 | 3 | |
61 | 59 | 76 | 81 | 76 | 93 | 55 | 59 | 42 | 27 | 60 | 67 | 69 | 74 | 72 | 62 | 80 | 84 | |
1050 | 1200 | 550 | 700 | 700 | 550 | 1300 | 1700 | 2050 | 1550 | 1650 | 1650 | 1400 | 1550 | 1900 | 1950 | 2100 | 2050 | |
 | 6:26 | — | — | 6:24 | — | — | 6:24 | — | — | 6:22 | — | — | 6:20 | — | — | 6:20 | — | — |
 | — | 6:15 | — | — | 6:15 | — | — | 6:16 | — | — | 6:17 | — | — | 6:17 | — | — | 6:19 | — |
A dusting of new snow. Freeze-thaw conditions (max 5°C on Sat afternoon, min -4°C on Thu night). Winds decreasing (strong winds from the NNE on Fri afternoon, light winds from the NNW by Sat night).
Mostly dry. Mild temperatures (max 7°C on Tue morning, min 2°C on Sun night). Wind will be generally light.
Latest snow reports near Osa:
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | — |
| Last snowfall: | 9 Mar 2026 |
| Snow Alerts | Create Alert |
0.3 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
0.4 | Powder days Fresh snow, limited sun, any wind. |
0.9 | 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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