Osa Weather (Next 3 days): The snow forecast for Osa is: Mostly dry. Very mild (max 11°C on Sun morning, min 6°C on Thu night). Wind will be generally light.
Osa Weather (Days 4-6): Heavy rain (total 35.0mm), heaviest during Mon night. Very mild (max 12°C on Mon morning, min 5°C on Tue afternoon). Winds decreasing (fresh winds from the SE on Mon night, light winds from the SE by Wed morning).
| Resort | Snow Depth | Temp. (°C) | Wind (km/h) | Weather | ||
|---|---|---|---|---|---|---|
| Top Lift: | 7 |  | ||||
| Bottom Lift: | 8 | |
Thu 26 | Friday 27 | Saturday 28 | Sunday 29 | Monday 30 | Tuesday 31 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | | |  | | | |  | | | |  |  |  |  |  | |
clear | clear | clear | clear | some clouds | clear | clear | some clouds | cloudy | cloudy | some clouds | some clouds | rain shwrs | heavy rain | mod. rain | light rain | cloudy | |
km/h | |||||||||||||||||
Snow map |  |  |  |  |  |  | |||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
— | — | — | — | — | — | — | — | — | — | — | — | 1 | 25 | 6 | 3 | — | |
max °C | 7 | 7 | 10 | 10 | 9 | 9 | 9 | 8 | 11 | 11 | 8 | 12 | 12 | 12 | 12 | 6 | 5 |
min °C | 7 | 6 | 8 | 9 | 7 | 9 | 9 | 7 | 9 | 9 | 7 | 9 | 10 | 10 | 11 | 5 | 5 |
5 | 4 | 7 | 7 | 4 | 7 | 7 | 7 | 7 | 7 | 3 | 7 | 7 | 7 | 8 | 0 | 0 | |
72 | 37 | 45 | 49 | 53 | 54 | 51 | 33 | 40 | 59 | 61 | 67 | 76 | 94 | 99 | 98 | 94 | |
2150 | 2300 | 2500 | 2350 | 2300 | 2400 | 2400 | 2550 | 2650 | 2500 | 2250 | 2450 | 2800 | 3150 | 3600 | 3100 | 3400 | |
 | — | — | 6:05 | — | — | 6:03 | — | — | 6:03 | — | — | 6:01 | — | — | 6:00 | — | — |
 | 6:25 | — | — | 6:27 | — | — | 6:28 | — | — | 6:29 | — | — | 6:30 | — | — | 6:30 | — |
Mostly dry. Very mild (max 11°C on Sun morning, min 6°C on Thu night). Wind will be generally light.
Heavy rain (total 35.0mm), heaviest during Mon night. Very mild (max 12°C on Mon morning, min 5°C on Tue afternoon). Winds decreasing (fresh winds from the SE on Mon night, light winds from the SE by Wed 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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