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Osa at 865 m altitude
Issued by Snow-Forecast.com at: 2 am (local time) / 20 Jun 2026
Now
Next 3 days weather summary:Heavy rain (total 30.0mm), heaviest during Sat morning. Warm (max 20°C on Sat morning, min 14°C on Mon night). Winds decreasing (strong winds from the WSW on Sat night, light winds from the NNW by Mon morning). | Days 4-6 weather summary:Some drizzle, heaviest during Wed afternoon. Warm (max 22°C on Thu morning, min 16°C on Tue morning). Wind will be generally light. | |||||||||||||||||
Saturday 20 | Sunday 21 | Monday 22 | Tuesday 23 | Wednesday 24 | Thursday 25 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  |  | |  | | |  |  | | | |  | |  | |  | |
mod. rain | mod. rain | mod. rain | light rain | light rain | some clouds | light rain | light rain | rain shwrs | some clouds | some clouds | some clouds | some clouds | rain shwrs | some clouds | clear | some clouds | clear | |
km/h | ||||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | 8 | 7 | 6 | 2 | 1 | — | 2 | 3 | 1 | — | — | — | — | 1 | — | — | — | — |
max °C | 20 | 20 | 20 | 17 | 16 | 16 | 17 | 17 | 15 | 18 | 18 | 18 | 21 | 21 | 18 | 22 | 22 | 18 |
min °C | 20 | 20 | 16 | 15 | 16 | 15 | 16 | 15 | 14 | 16 | 18 | 18 | 20 | 19 | 17 | 20 | 20 | 17 |
chill °C | 19 | 19 | 14 | 13 | 14 | 14 | 15 | 14 | 13 | 15 | 18 | 18 | 20 | 19 | 17 | 20 | 20 | 16 |
Humid % | 90 | 97 | 92 | 97 | 91 | 82 | 92 | 91 | 91 | 62 | 57 | 49 | 42 | 59 | 57 | 58 | 61 | 70 |
Freeze m | 4950 | 5050 | 4900 | 5000 | 5050 | 4900 | 4700 | 4100 | 4200 | 4200 | 4200 | 4100 | 3950 | 3900 | 4100 | 4350 | 4550 | 4650 |
 | 4:56 | — | — | 4:58 | — | — | 4:58 | — | — | 4:58 | — | — | 4:58 | — | — | 4:58 | — | — |
 | — | 7:27 | — | — | 7:27 | — | — | 7:27 | — | — | 7:27 | — | — | 7:28 | — | — | 7:28 | — |
Days 7-16 weather summary:
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Avalanche information: Japan Avalanche Network
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Latest snow reports near Osa:
Osa Snow Conditions
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | — |
| Last snowfall: | 13 Mar 2026 |
| Snow Alerts | Create Alert |
Other resorts in Japan - Hiroshima are reporting: powder (0) / good piste (0)
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Snow History
Week 3 of June has on average:
0.0 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
0.0 | Powder days Fresh snow, limited sun, any wind. |
0.0 | 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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