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Scotland’s ski season has gotten underway during Christmas week with the four centres that have all-weather snowmaking each offering limited snowsports in one form or another.
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Osa at 865 m altitude
Issued by Snow-Forecast.com at: 2 am (local time) / 29 Dec 2025
Now
Monday 29 | Tuesday 30 | Wednesday 31 | Thursday 1 | Friday 2 | Saturday 3 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  |  |  | | |  | |  |  | |  | | |  | | |
cloudy | light rain | light rain | rain shwrs | clear | some clouds | cloudy | cloudy | cloudy | cloudy | light snow | light snow | light snow | mod. snow | light snow | light snow | some clouds | light snow | |
km/h | ||||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||||
— | — | — | — | — | — | — | — | — | — | — | 2 | 2 | 8 | 3 | 2 | — | — | |
— | 2 | 5 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | 4 | 5 | 4 | 3 | 2 | 0 | -1 | -1 | -2 | -3 | -3 | -6 | -6 | -5 | -4 | -2 | -1 | 1 |
min °C | 3 | 4 | 4 | 3 | 1 | -2 | -2 | -2 | -3 | -4 | -5 | -7 | -7 | -6 | -5 | -3 | -2 | 0 |
-2 | -1 | -1 | -2 | -3 | -9 | -9 | -7 | -10 | -12 | -14 | -17 | -16 | -15 | -13 | -10 | -9 | -6 | |
78 | 91 | 95 | 91 | 69 | 81 | 72 | 82 | 87 | 86 | 84 | 88 | 87 | 91 | 84 | 93 | 86 | 91 | |
1450 | 1550 | 1600 | 1300 | 1100 | 750 | 600 | 750 | 550 | 450 | 450 | 0 | 0 | 150 | 200 | 450 | 650 | 900 | |
 | 7:16 | — | — | 7:16 | — | — | 7:16 | — | — | 7:18 | — | — | 7:18 | — | — | 7:18 | — | — |
 | — | 5:07 | — | — | 5:07 | — | — | 5:08 | — | — | 5:09 | — | — | 5:10 | — | — | 5:12 | — |
Next 0-3 days weather summary:
Light rain (total 8.0mm), mostly falling on Mon night. Freeze-thaw conditions (max 5°C on Mon afternoon, min -3°C on Wed night). Mainly fresh winds.
Next 4-6 days weather summary:
A moderate fall of snow, heaviest on Fri afternoon. Freeze-thaw conditions (max 1°C on Sat night, min -7°C on Thu night). Winds increasing (moderate winds from the WNW on Sat morning, strong winds from the W by Sat night).
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Snow Radar
Latest snow reports near Osa:
Osa Snow Conditions
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | 12 cm |
| Last snowfall: | 27 Dec 2025 |
| Snow Alerts | Create Alert |
Other resorts in Japan - Hiroshima are reporting: powder (0) / good piste (0)
Snow History
Week 4 of December has on average:
0.5 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
0.8 | Powder days Fresh snow, limited sun, any wind. |
0.8 | Bluebird days Average snow, mostly sunny, light wind. |
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Other resorts in Japan - Hiroshima are reporting: powder (0) / good piste (0)
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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