Osa Weather (Next 3 days): The snow forecast for Osa is: Heavy rain (total 23.0mm), heaviest during Wed afternoon. Mild temperatures (max 7°C on Tue afternoon, min 2°C on Mon night). Wind will be generally light.
Osa Weather (Days 4-6): Mostly dry. Very mild (max 10°C on Sun morning, min 2°C on Thu night). Wind will be generally light.
| Resort | Snow Depth | Temp. (°C) | Wind (km/h) | Weather | ||
|---|---|---|---|---|---|---|
| Top Lift: | 3 |  | ||||
| Bottom Lift: | 4 | |
Mon 16 | Tuesday 17 | Wednesday 18 | Thursday 19 | Friday 20 | Saturday 21 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
|  |  | | |  |  |  |  | | |  | |  | | | | |
some clouds | some clouds | clear | clear | some clouds | light rain | mod. rain | mod. rain | rain shwrs | some clouds | some clouds | cloudy | cloudy | clear | clear | clear | clear | |
km/h | |||||||||||||||||
Snow map |  |  |  |  |  |  | |||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
— | — | — | — | — | 2 | 10 | 10 | 1 | — | — | — | — | — | — | — | — | |
max °C | 5 | 3 | 6 | 7 | 5 | 7 | 7 | 7 | 5 | 5 | 3 | 3 | 4 | 3 | 8 | 7 | 5 |
min °C | 4 | 2 | 5 | 6 | 5 | 5 | 6 | 5 | 4 | 4 | 2 | 3 | 4 | 3 | 6 | 6 | 5 |
4 | 0 | 4 | 6 | 5 | 1 | 2 | 2 | 0 | 1 | -3 | 0 | 2 | 3 | 6 | 6 | 4 | |
63 | 80 | 43 | 45 | 38 | 67 | 99 | 100 | 85 | 76 | 59 | 80 | 62 | 33 | 13 | 45 | 41 | |
1450 | 1600 | 1600 | 2050 | 2450 | 2250 | 2350 | 2350 | 1350 | 1500 | 1400 | 1150 | 1350 | 1650 | 1750 | 1900 | 2000 | |
 | — | — | 6:20 | — | — | 6:18 | — | — | 6:16 | — | — | 6:15 | — | — | 6:13 | — | — |
 | 6:17 | — | — | 6:19 | — | — | 6:20 | — | — | 6:21 | — | — | 6:22 | — | — | 6:22 | — |
Heavy rain (total 23.0mm), heaviest during Wed afternoon. Mild temperatures (max 7°C on Tue afternoon, min 2°C on Mon night). Wind will be generally light.
Mostly dry. Very mild (max 10°C on Sun morning, min 2°C on Thu night). Wind will be generally light.
Latest snow reports near Osa:
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | — |
| Last snowfall: | 13 Mar 2026 |
| Snow Alerts | Create Alert |
0.1 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
0.1 | Powder days Fresh snow, limited sun, any wind. |
0.2 | 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.
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