Osa Weather (Next 3 days): The snow forecast for Osa is: Moderate rain (total 13.0mm), heaviest on Wed afternoon. Very mild (max 10°C on Tue afternoon, min 4°C on Mon night). Wind will be generally light.
Osa Weather (Days 4-6): Mostly dry. Very mild (max 11°C on Sat morning, min 8°C on Thu night). Wind will be generally light.
| Resort | Snow Depth | Temp. (°C) | Wind (km/h) | Weather | ||
|---|---|---|---|---|---|---|
| Top Lift: | 4 |  | ||||
| Bottom Lift: | 5 | |
Tuesday 24 | Wednesday 25 | Thursday 26 | Friday 27 | Saturday 28 | ||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  |  |  |  | | | | | |  | | | | |
some clouds | clear | cloudy | light rain | light rain | mod. rain | rain shwrs | clear | clear | cloudy | cloudy | cloudy | clear | clear | clear | some clouds | |
km/h | ||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
— | — | — | 1 | 3 | 8 | 1 | — | — | — | — | — | — | — | — | — | |
max °C | 5 | 9 | 10 | 7 | 7 | 6 | 5 | 9 | 10 | 8 | 10 | 10 | 9 | 11 | 11 | 8 |
min °C | 4 | 7 | 8 | 6 | 7 | 5 | 5 | 7 | 9 | 8 | 10 | 9 | 8 | 10 | 9 | 8 |
1 | 6 | 8 | 5 | 6 | 2 | 3 | 5 | 8 | 7 | 10 | 8 | 6 | 9 | 7 | 6 | |
58 | 18 | 43 | 53 | 89 | 99 | 92 | 52 | 48 | 36 | 47 | 45 | 41 | 63 | 49 | 49 | |
2250 | 2300 | 2450 | 2450 | 2100 | 1900 | 2000 | 2150 | 2250 | 2350 | 2450 | 2300 | 2300 | 2100 | 2300 | 2300 | |
 | — | 6:09 | — | — | 6:07 | — | — | 6:07 | — | — | 6:05 | — | — | 6:03 | — | — |
 | — | — | 6:24 | — | — | 6:25 | — | — | 6:25 | — | — | 6:27 | — | — | 6:28 | — |
Moderate rain (total 13.0mm), heaviest on Wed afternoon. Very mild (max 10°C on Tue afternoon, min 4°C on Mon night). Wind will be generally light.
Mostly dry. Very mild (max 11°C on Sat morning, min 8°C on Thu night). Wind will be generally light.
Latest snow reports near Osa:
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | — |
| Last snowfall: | 13 Mar 2026 |
| Snow Alerts | Create Alert |
0.1 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
0.0 | Powder days Fresh snow, limited sun, any wind. |
0.4 | 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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