Osa Weather (Next 3 days): The snow forecast for Osa is: Moderate rain (total 12.0mm), heaviest on Fri afternoon. Very mild (max 10°C on Thu afternoon, min 2°C on Sat morning). Wind will be generally light.
Osa Weather (Days 4-6): Heavy rain (total 25.0mm), heaviest during Mon afternoon. Mild temperatures (max 9°C on Sun afternoon, min 2°C on Mon night). Winds increasing (calm on Sun afternoon, fresh winds from the ENE by Tue morning).
| Resort | Snow Depth | Temp. (°C) | Wind (km/h) | Weather | ||
|---|---|---|---|---|---|---|
| Top Lift: | 8 |  | ||||
| Bottom Lift: | 9 | |
Thu 26 | Friday 27 | Saturday 28 | Sunday 1 | Monday 2 | Tuesday 3 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
|  |  |  |  | |  |  |  | | | | |  | | |  | |
cloudy | cloudy | light rain | mod. rain | light rain | cloudy | clear | some clouds | some clouds | cloudy | light rain | light rain | mod. rain | heavy rain | clear | clear | clear | |
km/h | |||||||||||||||||
Snow map |  |  |  |  |  |  | |||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
— | — | 2 | 6 | 4 | — | — | — | — | — | 1 | 2 | 9 | 13 | — | — | — | |
max °C | 10 | 9 | 9 | 8 | 7 | 3 | 6 | 6 | 9 | 9 | 7 | 6 | 4 | 3 | 5 | 5 | 4 |
min °C | 9 | 9 | 9 | 8 | 3 | 2 | 6 | 5 | 8 | 7 | 5 | 5 | 4 | 2 | 4 | 5 | 3 |
8 | 8 | 6 | 7 | -2 | -3 | 2 | 1 | 6 | 7 | 4 | 3 | 1 | -4 | -1 | 1 | 0 | |
87 | 88 | 85 | 99 | 99 | 89 | 49 | 45 | 27 | 55 | 83 | 79 | 96 | 96 | 62 | 61 | 37 | |
3400 | 3150 | 2500 | 2450 | 2850 | 1100 | 3150 | 3200 | 3100 | 3100 | 2500 | 2250 | 1750 | 1450 | 2100 | 1700 | 2250 | |
 | — | — | 6:43 | — | — | 6:41 | — | — | 6:41 | — | — | 6:39 | — | — | 6:37 | — | — |
 | 6:02 | — | — | 6:04 | — | — | 6:05 | — | — | 6:06 | — | — | 6:07 | — | — | 6:07 | — |
Moderate rain (total 12.0mm), heaviest on Fri afternoon. Very mild (max 10°C on Thu afternoon, min 2°C on Sat morning). Wind will be generally light.
Heavy rain (total 25.0mm), heaviest during Mon afternoon. Mild temperatures (max 9°C on Sun afternoon, min 2°C on Mon night). Winds increasing (calm on Sun afternoon, fresh winds from the ENE by Tue morning).
Latest snow reports near Osa:
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | — |
| Last snowfall: | 18 Feb 2026 |
| Snow Alerts | Create Alert |
0.2 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
0.3 | Powder days Fresh snow, limited sun, any wind. |
0.4 | Bluebird days Average snow, mostly sunny, light wind. |
The above table gives the weather forecast for Osa at the specific elevation of 865 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