Osa Weather (Next 3 days): The snow forecast for Osa is: Moderate rain (total 13.0mm), heaviest on Sat morning. Very mild (max 13°C on Thu afternoon, min 7°C on Wed night). Winds decreasing (strong winds from the S on Fri morning, calm by Sat afternoon).
Osa Weather (Days 4-6): Light rain (total 8.0mm), mostly falling on Tue morning. Very mild (max 16°C on Sun afternoon, min 7°C on Tue morning). Winds decreasing (fresh winds from the SW on Mon night, calm by Tue afternoon).
| Resort | Snow Depth | Temp. (°C) | Wind (km/h) | Weather | ||
|---|---|---|---|---|---|---|
| Top Lift: | 9 |  | ||||
| Bottom Lift: | 11 | |
Thursday 16 | Friday 17 | Saturday 18 | Sunday 19 | Monday 20 | ||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  |  |  | | | | | | |  | | | | |
rain shwrs | clear | some clouds | some clouds | cloudy | light rain | light rain | light rain | light rain | some clouds | clear | clear | clear | clear | some clouds | light rain | |
km/h | ||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
1 | — | — | — | — | 2 | 2 | 5 | 3 | — | — | — | — | — | — | 3 | |
max °C | 10 | 12 | 13 | 13 | 12 | 11 | 11 | 12 | 12 | 13 | 15 | 16 | 14 | 15 | 15 | 12 |
min °C | 7 | 9 | 13 | 12 | 12 | 10 | 10 | 11 | 12 | 11 | 15 | 15 | 13 | 14 | 13 | 9 |
2 | 5 | 11 | 9 | 9 | 6 | 7 | 10 | 12 | 11 | 14 | 15 | 12 | 12 | 11 | 7 | |
76 | 52 | 32 | 23 | 66 | 93 | 68 | 88 | 93 | 81 | 35 | 49 | 56 | 57 | 61 | 88 | |
3250 | 3500 | 3400 | 3750 | 3550 | 2900 | 3300 | 3000 | 3200 | 3300 | 3400 | 3500 | 3450 | 3300 | 3200 | 3050 | |
 | — | 5:39 | — | — | 5:37 | — | — | 5:35 | — | — | 5:35 | — | — | 5:33 | — | — |
 | — | — | 6:43 | — | — | 6:44 | — | — | 6:45 | — | — | 6:45 | — | — | 6:45 | — |
Moderate rain (total 13.0mm), heaviest on Sat morning. Very mild (max 13°C on Thu afternoon, min 7°C on Wed night). Winds decreasing (strong winds from the S on Fri morning, calm by Sat afternoon).
Light rain (total 8.0mm), mostly falling on Tue morning. Very mild (max 16°C on Sun afternoon, min 7°C on Tue morning). Winds decreasing (fresh winds from the SW on Mon night, calm by Tue afternoon).
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. |
0.1 | 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.
Snow Report
Webcams
Ski Resort Guide
Snow History
Snow Alerts
Snow
Sign up or Login to access
Nearest