Osa Weather (Next 3 days): The snow forecast for Osa is: Moderate rain (total 15.0mm), heaviest on Thu afternoon. Freeze-thaw conditions (max 14°C on Thu night, min -1°C on Tue night). Winds increasing (calm on Wed morning, gales from the S by Thu afternoon).
Osa Weather (Days 4-6): Light rain (total 7.0mm), mostly falling on Fri morning. Very mild (max 17°C on Sun afternoon, min 8°C on Fri night). Winds decreasing (strong winds from the SW on Fri morning, calm by Sat night).
| Resort | Snow Depth | Temp. (°C) | Wind (km/h) | Weather | ||
|---|---|---|---|---|---|---|
| Top Lift: | 2 |  | ||||
| Bottom Lift: | 6 | |
Tuesday 7 | Wednesday 8 | Thursday 9 | Friday 10 | Saturday 11 | Sunday 12 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | | | |  |  |  |  | |  | | | | | |  | |
snow shwrs | clear | clear | clear | clear | clear | cloudy | mod. rain | mod. rain | light rain | light rain | light rain | some clouds | some clouds | clear | clear | some clouds | cloudy | |
km/h | ||||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
— | — | — | — | — | — | — | 7 | 8 | 5 | 1 | 1 | — | — | — | — | — | — | |
max °C | 2 | 1 | 1 | 7 | 9 | 8 | 11 | 9 | 14 | 15 | 14 | 13 | 10 | 12 | 12 | 16 | 17 | 14 |
min °C | 2 | 0 | -1 | 4 | 7 | 7 | 10 | 7 | 11 | 14 | 14 | 8 | 8 | 12 | 12 | 15 | 15 | 12 |
-4 | -6 | -8 | 2 | 6 | 4 | 6 | 1 | 6 | 11 | 11 | 4 | 5 | 12 | 12 | 15 | 15 | 9 | |
89 | 57 | 57 | 26 | 46 | 29 | 38 | 77 | 95 | 99 | 86 | 76 | 80 | 61 | 35 | 23 | 49 | 47 | |
1300 | 1100 | 1000 | 1850 | 3150 | 3600 | 3750 | 3850 | 4000 | 3850 | 3900 | 3650 | 3500 | 3550 | 3750 | 3800 | 4050 | 3950 | |
 | 5:50 | — | — | 5:48 | — | — | 5:48 | — | — | 5:47 | — | — | 5:45 | — | — | 5:43 | — | — |
 | — | 6:36 | — | — | 6:37 | — | — | 6:37 | — | — | 6:37 | — | — | 6:38 | — | — | 6:39 | — |
Moderate rain (total 15.0mm), heaviest on Thu afternoon. Freeze-thaw conditions (max 14°C on Thu night, min -1°C on Tue night). Winds increasing (calm on Wed morning, gales from the S by Thu afternoon).
Light rain (total 7.0mm), mostly falling on Fri morning. Very mild (max 17°C on Sun afternoon, min 8°C on Fri night). Winds decreasing (strong winds from the SW on Fri morning, calm by Sat night).
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. |
|---|---|
0.1 | 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 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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