Osa Weather (Next 3 days): The snow forecast for Osa is: A dusting of new snow. Freeze-thaw conditions (max 2°C on Wed afternoon, min -3°C on Thu night). Winds increasing (calm on Wed night, strong winds from the NNE by Fri afternoon).
Osa Weather (Days 4-6): Mostly dry. Freeze-thaw conditions (max 6°C on Sat afternoon, min -4°C on Fri night). Winds decreasing (fresh winds from the NNE on Fri night, calm by Sun night).
| Resort | Snow Depth | Temp. (°C) | Wind (km/h) | Weather | ||
|---|---|---|---|---|---|---|
| Top Lift: | -2 |  | ||||
| Bottom Lift: | -3 | |
Wednesday 11 | Thursday 12 | Friday 13 | Saturday 14 | Sunday 15 | ||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
|  | |  | |  |  |  | | |  | | | | | | |
clear | some clouds | some clouds | some clouds | some clouds | cloudy | snow shwrs | light snow | light snow | clear | clear | some clouds | clear | clear | cloudy | some clouds | |
km/h | ||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||
— | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | -2 | 1 | 2 | 0 | 2 | 2 | -2 | -2 | -2 | -1 | 3 | 6 | 4 | 5 | 4 | 3 |
min °C | -2 | -1 | 0 | -1 | 0 | 0 | -3 | -3 | -3 | -4 | 0 | 5 | 3 | 4 | 4 | 1 |
-4 | -1 | 0 | -1 | -2 | -5 | -9 | -10 | -11 | -12 | -6 | 3 | 0 | 1 | 2 | -2 | |
39 | 32 | 55 | 62 | 48 | 63 | 80 | 87 | 70 | 55 | 60 | 38 | 31 | 33 | 59 | 69 | |
350 | 950 | 1200 | 900 | 1100 | 1250 | 550 | 700 | 800 | 450 | 1050 | 2300 | 2150 | 1750 | 1600 | 1600 | |
 | — | 6:28 | — | — | 6:26 | — | — | 6:24 | — | — | 6:24 | — | — | 6:22 | — | — |
 | — | — | 6:14 | — | — | 6:15 | — | — | 6:15 | — | — | 6:16 | — | — | 6:17 | — |
A dusting of new snow. Freeze-thaw conditions (max 2°C on Wed afternoon, min -3°C on Thu night). Winds increasing (calm on Wed night, strong winds from the NNE by Fri afternoon).
Mostly dry. Freeze-thaw conditions (max 6°C on Sat afternoon, min -4°C on Fri night). Winds decreasing (fresh winds from the NNE on Fri night, calm by Sun night).
Latest snow reports near Osa:
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | 6 cm |
| Last snowfall: | 9 Mar 2026 |
| Snow Alerts | Create Alert |
0.3 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
0.4 | Powder days Fresh snow, limited sun, any wind. |
0.9 | 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.
Snow Report
Webcams
Ski Resort Guide
Snow History
Snow Alerts
Snow
Sign up or Login to access
Nearest