Osa Weather (Next 3 days): The snow forecast for Osa is: Heavy rain (total 24.0mm), heaviest during Tue night. Very mild (max 11°C on Sun afternoon, min 1°C on Sun night). Mainly near gales.
Osa Weather (Days 4-6): Heavy rain (total 59.0mm), heaviest during Fri night. Very mild (max 11°C on Thu afternoon, min 3°C on Fri night). Winds increasing (light winds from the NNE on Wed morning, near gales from the N by Fri night).
| Resort | Snow Depth | Temp. (°C) | Wind (km/h) | Weather | ||
|---|---|---|---|---|---|---|
| Top Lift: | 9 |  | ||||
| Bottom Lift: | 13 | |
Sunday 22 | Monday 23 | Tuesday 24 | Wednesday 25 | Thursday 26 | Friday 27 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
|  |  | | |  |  |  |  |  | |  | | |  | |  | | |
clear | some clouds | rain shwrs | some clouds | clear | some clouds | cloudy | light rain | heavy rain | mod. rain | cloudy | clear | clear | cloudy | light rain | mod. rain | heavy rain | heavy rain | |
km/h | ||||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
— | — | 1 | — | — | — | — | 1 | 22 | 6 | — | — | — | — | 2 | 6 | 13 | 32 | |
max °C | 9 | 11 | 10 | 5 | 8 | 7 | 10 | 9 | 9 | 8 | 8 | 7 | 10 | 11 | 10 | 10 | 10 | 10 |
min °C | 8 | 10 | 1 | 3 | 6 | 7 | 9 | 9 | 7 | 7 | 7 | 7 | 8 | 10 | 9 | 9 | 9 | 3 |
4 | 6 | -5 | -2 | 4 | 5 | 5 | 5 | 6 | 6 | 5 | 5 | 6 | 9 | 6 | 5 | 4 | -5 | |
79 | 79 | 86 | 22 | 11 | 14 | 50 | 94 | 96 | 95 | 96 | 81 | 87 | 76 | 87 | 93 | 95 | 99 | |
2650 | 3000 | 2450 | 2200 | 2700 | 2850 | 2650 | 2650 | 2700 | 2700 | 3100 | 3250 | 3400 | 3400 | 2700 | 3000 | 3050 | 2950 | |
 | 6:48 | — | — | 6:48 | — | — | 6:47 | — | — | 6:46 | — | — | 6:45 | — | — | 6:43 | — | — |
 | — | 5:59 | — | — | 6:00 | — | — | 6:00 | — | — | 6:01 | — | — | 6:02 | — | — | 6:04 | — |
Heavy rain (total 24.0mm), heaviest during Tue night. Very mild (max 11°C on Sun afternoon, min 1°C on Sun night). Mainly near gales.
Heavy rain (total 59.0mm), heaviest during Fri night. Very mild (max 11°C on Thu afternoon, min 3°C on Fri night). Winds increasing (light winds from the NNE on Wed morning, near gales from the N by Fri night).
Latest snow reports near Osa:
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | — |
| Last snowfall: | 18 Feb 2026 |
| Snow Alerts | Create Alert |
0.4 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
0.6 | Powder days Fresh snow, limited sun, any wind. |
0.7 | 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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