Next 3 days weather summary:Heavy rain (total 89.0mm), heaviest during Fri morning. Warm (max 25°C on Wed afternoon, min 18°C on Fri afternoon). Mainly fresh winds. | Days 4-6 weather summary:Heavy rain (total 42.0mm), heaviest during Sat night. Warm (max 21°C on Sat afternoon, min 19°C on Sat morning). Winds increasing (light winds from the WSW on Sun night, strong winds from the SE by Mon night). | |||||||||||||||||
Wednesday 26 | Thursday 27 | Friday 28 | Saturday 29 | Sunday 30 | Monday 31 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | | | | |  |  |  | |  | | | | | | | |
clear | t-storm risk | t-storm risk | t-storm risk | t-storm risk | t-storm risk | t-storm risk | mod. rain | heavy rain | rain shwrs | mod. rain | rain shwrs | t-storm risk | mod. rain | rain shwrs | t-storm risk | t-storm risk | rain shwrs | |
km/h | ||||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | — | 1 | 3 | 4 | 5 | 14 | 40 | 6 | 16 | 1 | 6 | 13 | 2 | 6 | 7 | 3 | 2 | 2 |
max °C | 24 | 25 | 23 | 22 | 22 | 20 | 19 | 18 | 19 | 20 | 21 | 20 | 20 | 20 | 20 | 20 | 21 | 20 |
min °C | 23 | 24 | 22 | 21 | 21 | 19 | 19 | 18 | 18 | 19 | 20 | 20 | 20 | 20 | 20 | 20 | 21 | 19 |
chill °C | 23 | 24 | 22 | 21 | 21 | 18 | 19 | 18 | 18 | 19 | 20 | 20 | 20 | 20 | 20 | 20 | 21 | 18 |
Humid % | 62 | 66 | 74 | 74 | 85 | 86 | 99 | 95 | 98 | 96 | 92 | 96 | 89 | 95 | 94 | 89 | 90 | 84 |
Freeze m | 5250 | 5050 | 5200 | 5000 | 5050 | 5050 | 5000 | 5000 | 5150 | 5200 | 5250 | 5200 | 5150 | 5200 | 5300 | 5100 | 5300 | 5300 |
 | 5:22 | — | — | 5:24 | — | — | 5:24 | — | — | 5:26 | — | — | 5:26 | — | — | 5:26 | — | — |
 | — | 6:31 | — | — | 6:30 | — | — | 6:29 | — | — | 6:28 | — | — | 6:27 | — | — | 6:24 | — |
SnowProGo pro and carve into:
Avalanche information: Japan Avalanche Network
Latest snow reports near Biwako Valley:
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | — |
| Last snowfall: | 7 Apr 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 Biwako Valley at the specific elevation of 1174 m. Our sophisticated weather models allow us to provide snow forecasts for the top, middle and bottom ski stations of Biwako Valley. 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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