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Osa Weather (Next 3 days): The snow forecast for Osa is: A dusting of new snow. Freeze-thaw conditions (max 8°C on Mon night, min -6°C on Wed night). Winds increasing (light winds from the WSW on Mon night, near gales from the WNW by Wed night).
Osa Weather (Days 4-6): A dusting of new snow. Freeze-thaw conditions (max 7°C on Sun morning, min -3°C on Thu night). Winds decreasing (near gales from the W on Thu night, light winds from the WNW by Fri night).
| Resort | Snow Depth | Temp. (°C) | Wind (km/h) | Weather | ||
|---|---|---|---|---|---|---|
| Top Lift: | 8 |  | ||||
| Bottom Lift: | 8 | |
Latest snow reports near Osa:
Tuesday 2 | Wednesday 3 | Thursday 4 | Friday 5 | Saturday 6 | Sunday 7 | ||||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | |  | |  | | | | | |  |  | | | | | | |
some clouds | cloudy | some clouds | cloudy | light snow | light snow | light snow | light snow | some clouds | light snow | light snow | some clouds | clear | clear | clear | some clouds | some clouds | some clouds | clear | |
km/h | |||||||||||||||||||
Snow map |  |  |  |  |  |  |  | ||||||||||||
— | — | — | — | — | 2 | 1 | — | — | 1 | — | — | — | — | — | — | — | — | — | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | 8 | 7 | 4 | 2 | -4 | -5 | -5 | -3 | -2 | 0 | -2 | -2 | 1 | 5 | 4 | 4 | 7 | 7 | 7 |
min °C | 7 | 6 | 3 | -3 | -4 | -5 | -6 | -4 | -3 | -3 | -3 | -2 | 0 | 3 | 3 | 3 | 5 | 6 | 5 |
4 | 3 | -1 | -11 | -13 | -15 | -17 | -11 | -11 | -12 | -11 | -8 | -4 | -1 | -2 | -2 | 0 | 2 | 1 | |
40 | 47 | 79 | 93 | 91 | 91 | 86 | 85 | 79 | 95 | 87 | 87 | 36 | 38 | 62 | 90 | 89 | 83 | 64 | |
2550 | 2350 | 1600 | 1250 | 600 | 400 | 300 | 550 | 750 | 900 | 650 | 850 | 1600 | 1800 | 1600 | 1700 | 2150 | 2700 | 2750 | |
 | — | 7:00 | — | — | 7:01 | — | — | 7:01 | — | — | 7:01 | — | — | 7:03 | — | — | 7:03 | — | — |
 | — | — | 5:00 | — | — | 4:59 | — | — | 4:59 | — | — | 4:59 | — | — | 4:59 | — | — | 4:59 | — |
A dusting of new snow. Freeze-thaw conditions (max 8°C on Mon night, min -6°C on Wed night). Winds increasing (light winds from the WSW on Mon night, near gales from the WNW by Wed night).
A dusting of new snow. Freeze-thaw conditions (max 7°C on Sun morning, min -3°C on Thu night). Winds decreasing (near gales from the W on Thu night, light winds from the WNW by Fri night).
Latest snow reports near Osa:
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | — |
| Last snowfall: | 18 Nov 2025 |
| Snow Alerts | Create Alert |
0.3 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
0.5 | Powder days Fresh snow, limited sun, any wind. |
0.3 | 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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