Next 3 days weather summary:Light rain (total 6.0mm), mostly falling on Mon afternoon. Warm (max 23°C on Tue afternoon, min 14°C on Sun night). Wind will be generally light. | Days 4-6 weather summary:Light rain (total 7.0mm), mostly falling on Thu morning. Warm (max 26°C on Fri morning, min 17°C on Wed night). Wind will be generally light. | |||||||||||||||||
Sunday 14 | Monday 15 | Tuesday 16 | Wednesday 17 | Thursday 18 | Friday 19 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | |  |  |  |  |  | | | | |  | | | |  | |
cloudy | light rain | cloudy | light rain | rain shwrs | rain shwrs | clear | some clouds | clear | some clouds | some clouds | rain shwrs | light rain | t-storm risk | clear | clear | some clouds | some clouds | |
km/h | ||||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
— | 1 | — | 1 | 3 | 1 | — | — | — | — | — | 1 | 4 | 2 | — | — | — | — | |
max °C | 21 | 20 | 15 | 19 | 19 | 15 | 22 | 23 | 16 | 23 | 23 | 18 | 22 | 23 | 18 | 26 | 25 | 20 |
min °C | 18 | 17 | 14 | 16 | 17 | 14 | 20 | 20 | 15 | 21 | 21 | 17 | 18 | 21 | 17 | 23 | 22 | 19 |
18 | 17 | 13 | 16 | 17 | 14 | 20 | 20 | 15 | 21 | 21 | 17 | 18 | 21 | 17 | 23 | 22 | 19 | |
68 | 67 | 86 | 81 | 76 | 81 | 61 | 58 | 77 | 61 | 69 | 93 | 88 | 80 | 84 | 62 | 63 | 79 | |
3700 | 3550 | 3500 | 3550 | 3650 | 3950 | 4200 | 4200 | 4350 | 4400 | 4400 | 4550 | 4350 | 4400 | 4350 | 4350 | 4500 | 4700 | |
 | 4:56 | — | — | 4:56 | — | — | 4:56 | — | — | 4:56 | — | — | 4:56 | — | — | 4:56 | — | — |
 | — | 7:24 | — | — | 7:24 | — | — | 7:25 | — | — | 7:25 | — | — | 7:25 | — | — | 7:25 | — |
SnowProGo pro and carve into:
Avalanche information: Japan Avalanche Network
Latest snow reports near Osa:
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | — |
| Last snowfall: | 13 Mar 2026 |
| Snow Alerts | Create Alert |
0.0 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
0.0 | Powder days Fresh snow, limited sun, any wind. |
0.0 | Bluebird days Average snow, mostly sunny, light wind. |
The above table gives the weather forecast for Osa at the specific elevation of 700 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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