Next 3 days weather summary:Light rain (total 7.0mm), mostly falling on Fri morning. Warm (max 20°C on Sun morning, min 13°C on Fri morning). Wind will be generally light. | Days 4-6 weather summary:Moderate rain (total 13.0mm), heaviest on Tue afternoon. Warm (max 21°C on Mon morning, min 16°C on Tue afternoon). Winds increasing (light winds from the SSE on Mon morning, near gales from the SSE by Wed afternoon). | |||||||||||||||||
Friday 22 | Saturday 23 | Sunday 24 | Monday 25 | Tuesday 26 | Wednesday 27 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | | |  | | |  | |  | |  | |  | | | | |
light rain | some clouds | clear | light rain | light rain | some clouds | some clouds | light rain | cloudy | some clouds | rain shwrs | some clouds | cloudy | light rain | light rain | cloudy | cloudy | light rain | |
km/h | ||||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
2 | — | — | 1 | 2 | — | — | 2 | — | — | 2 | — | — | 4 | 2 | — | — | 5 | |
max °C | 13 | 15 | 14 | 17 | 17 | 16 | 20 | 19 | 17 | 21 | 20 | 17 | 18 | 16 | 17 | 19 | 19 | 19 |
min °C | 13 | 14 | 13 | 16 | 16 | 15 | 17 | 18 | 17 | 19 | 20 | 17 | 18 | 16 | 16 | 18 | 19 | 19 |
11 | 13 | 11 | 15 | 15 | 14 | 17 | 18 | 17 | 19 | 20 | 17 | 17 | 15 | 14 | 16 | 18 | 18 | |
97 | 80 | 86 | 87 | 91 | 98 | 84 | 85 | 86 | 71 | 73 | 83 | 66 | 88 | 90 | 85 | 90 | 92 | |
4450 | 4450 | 4700 | 4400 | 4200 | 4100 | 4450 | 4450 | 4450 | 4500 | 4450 | 4600 | 4450 | 4400 | 4550 | 4800 | 4900 | 5050 | |
 | 5:03 | — | — | 5:03 | — | — | 5:01 | — | — | 5:01 | — | — | 5:01 | — | — | 5:01 | — | — |
 | — | 7:10 | — | — | 7:12 | — | — | 7:13 | — | — | 7:14 | — | — | 7:14 | — | — | 7:15 | — |
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 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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