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Osa Weather (Next 3 days): The snow forecast for Osa is: A dusting of new snow. Freeze-thaw conditions (max 2°C on Fri night, min -6°C on Wed night). Winds decreasing (near gales from the WNW on Wed night, light winds from the WNW by Fri night).
Osa Weather (Days 4-6): Mostly dry. Freeze-thaw conditions (max 7°C on Sun morning, min -1°C on Mon night). Winds decreasing (fresh winds from the W on Sun night, light winds from the NW by Mon night).
| Resort | Snow Depth | Temp. (°C) | Wind (km/h) | Weather | ||
|---|---|---|---|---|---|---|
| Top Lift: | -5 |  | ||||
| Bottom Lift: | -2 | |
Latest snow reports near Osa:
Wednesday 3 | Thursday 4 | Friday 5 | Saturday 6 | Sunday 7 | Monday 8 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
| |  | |  | | |  |  | | |  |  | | | | | | |
light snow | light snow | light snow | light snow | cloudy | light snow | light snow | some clouds | clear | cloudy | cloudy | some clouds | clear | clear | some clouds | cloudy | some clouds | some clouds | |
km/h | ||||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||||
— | 1 | 1 | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | -3 | -5 | -5 | -3 | -3 | -1 | -2 | -2 | 2 | 4 | 4 | 5 | 7 | 7 | 5 | 5 | 2 | 0 |
min °C | -4 | -5 | -6 | -4 | -3 | -2 | -4 | -2 | 0 | 4 | 2 | 3 | 5 | 6 | 5 | 3 | 1 | -1 |
-14 | -15 | -17 | -11 | -11 | -10 | -13 | -8 | -2 | 0 | -3 | -3 | 0 | 1 | 0 | -3 | -6 | -6 | |
91 | 81 | 87 | 85 | 84 | 92 | 84 | 79 | 34 | 20 | 42 | 84 | 87 | 52 | 73 | 87 | 86 | 90 | |
700 | 450 | 300 | 500 | 700 | 750 | 650 | 850 | 1550 | 1900 | 1500 | 1550 | 2000 | 2450 | 2350 | 1750 | 1200 | 850 | |
 | 7:01 | — | — | 7:01 | — | — | 7:01 | — | — | 7:03 | — | — | 7:03 | — | — | 7:05 | — | — |
 | — | 4:59 | — | — | 4:59 | — | — | 4:59 | — | — | 4:59 | — | — | 4:59 | — | — | 4:59 | — |
A dusting of new snow. Freeze-thaw conditions (max 2°C on Fri night, min -6°C on Wed night). Winds decreasing (near gales from the WNW on Wed night, light winds from the WNW by Fri night).
Mostly dry. Freeze-thaw conditions (max 7°C on Sun morning, min -1°C on Mon night). Winds decreasing (fresh winds from the W on Sun night, light winds from the NW by Mon 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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