Osa Weather (Next 3 days): The snow forecast for Osa is: Heavy rain (total 29.0mm), heaviest during Wed afternoon. Mild temperatures (max 9°C on Fri morning, min 4°C on Wed afternoon). Winds decreasing (fresh winds from the ESE on Wed morning, light winds from the W by Fri morning).
Osa Weather (Days 4-6): Heavy rain (total 26.0mm), heaviest during Mon afternoon. Very mild (max 11°C on Mon night, min 7°C on Sat morning). Winds increasing (calm on Sat night, fresh winds from the S by Mon morning).
| Resort | Snow Depth | Temp. (°C) | Wind (km/h) | Weather | ||
|---|---|---|---|---|---|---|
| Top Lift: | 6 |  | ||||
| Bottom Lift: | 7 | |
Wednesday 25 | Thursday 26 | Friday 27 | Saturday 28 | Sunday 29 | Monday 30 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
|  |  |  |  |  | |  | | | | | | | | | | | |
mod. rain | heavy rain | light rain | some clouds | clear | some clouds | some clouds | cloudy | some clouds | clear | clear | some clouds | cloudy | cloudy | light rain | cloudy | heavy rain | light rain | |
km/h | ||||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
10 | 15 | 4 | — | — | — | — | — | — | — | — | — | — | — | 1 | — | 20 | 5 | |
max °C | 6 | 5 | 5 | 6 | 6 | 7 | 9 | 9 | 9 | 8 | 8 | 7 | 10 | 10 | 9 | 10 | 10 | 11 |
min °C | 5 | 4 | 4 | 5 | 6 | 6 | 8 | 9 | 7 | 7 | 7 | 7 | 9 | 9 | 9 | 10 | 9 | 7 |
1 | -1 | -1 | 1 | 3 | 3 | 7 | 7 | 4 | 4 | 5 | 6 | 7 | 7 | 6 | 6 | 6 | 3 | |
97 | 98 | 98 | 80 | 68 | 40 | 49 | 42 | 63 | 58 | 62 | 38 | 25 | 55 | 72 | 84 | 97 | 94 | |
2200 | 2050 | 2100 | 1950 | 2000 | 2250 | 2500 | 2350 | 2350 | 2150 | 2250 | 2600 | 2700 | 2600 | 2400 | 2750 | 2850 | 2700 | |
 | 6:07 | — | — | 6:07 | — | — | 6:05 | — | — | 6:03 | — | — | 6:03 | — | — | 6:01 | — | — |
 | — | 6:25 | — | — | 6:25 | — | — | 6:27 | — | — | 6:28 | — | — | 6:29 | — | — | 6:30 | — |
Heavy rain (total 29.0mm), heaviest during Wed afternoon. Mild temperatures (max 9°C on Fri morning, min 4°C on Wed afternoon). Winds decreasing (fresh winds from the ESE on Wed morning, light winds from the W by Fri morning).
Heavy rain (total 26.0mm), heaviest during Mon afternoon. Very mild (max 11°C on Mon night, min 7°C on Sat morning). Winds increasing (calm on Sat night, fresh winds from the S by Mon morning).
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. |
|---|---|
0.1 | Powder days Fresh snow, limited sun, any wind. |
0.3 | 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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