Next 3 days weather summary:Heavy rain (total 34.0mm), heaviest during Mon morning. Very mild (max 13°C on Sat morning, min 10°C on Sat night). Mainly stormy winds. | Days 4-6 weather summary:Moderate rain (total 14.0mm), heaviest on Wed morning. Very mild (max 17°C on Tue morning, min 10°C on Wed night). Wind will be generally light. | |||||||||||||||||
Saturday 5 | Sunday 6 | Monday 7 | Tuesday 8 | Wednesday 9 | Thursday 10 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | |  |  |  |  |  | |  |  |  | | | | | | |
clear | some clouds | clear | some clouds | cloudy | light rain | heavy rain | mod. rain | some clouds | some clouds | rain shwrs | rain shwrs | light rain | light rain | light rain | light rain | cloudy | some clouds | |
km/h | ||||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | — | — | — | — | — | 5 | 23 | 6 | — | — | 2 | 1 | 3 | 2 | 5 | 1 | — | — |
max °C | 13 | 12 | 11 | 11 | 10 | 12 | 12 | 11 | 13 | 17 | 16 | 15 | 13 | 12 | 11 | 11 | 10 | 11 |
min °C | 12 | 11 | 10 | 11 | 10 | 11 | 11 | 11 | 12 | 14 | 14 | 14 | 12 | 12 | 10 | 11 | 10 | 10 |
chill °C | 12 | 10 | 8 | 8 | 6 | 7 | 6 | 8 | 10 | 14 | 14 | 14 | 11 | 10 | 8 | 11 | 10 | 8 |
Humid % | 88 | 86 | 81 | 90 | 93 | 92 | 98 | 96 | 97 | 89 | 91 | 65 | 69 | 88 | 97 | 64 | 98 | 85 |
Freeze m | 3850 | 3900 | 4100 | 4600 | 4750 | 4600 | 4900 | 5350 | 5150 | 5000 | 4950 | 5050 | 5100 | 4800 | 4600 | 4250 | 4600 | 4600 |
 | 5:11 | — | — | 5:11 | — | — | 5:13 | — | — | 5:13 | — | — | 5:15 | — | — | 5:16 | — | — |
 | — | 6:05 | — | — | 6:02 | — | — | 6:00 | — | — | 6:00 | — | — | 5:58 | — | — | 5:57 | — |
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Avalanche information: Japan Avalanche Network
Latest snow reports near Gassan Glacier:
| Top snow depth: | 0 cm |
|---|---|
| Bottom snow depth: | 0 cm |
| Fresh snowfall depth: | — |
| Last snowfall: | 9 May 2026 |
| Snow Alerts | Create Alert |
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. |
The above table gives the weather forecast for Gassan Glacier at the specific elevation of 1500 m. Our sophisticated weather models allow us to provide snow forecasts for the top, middle and bottom ski stations of Gassan Glacier. 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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