Next 3 days weather summary:Heavy rain (total 84.0mm), heaviest during Mon night. Very mild (max 19°C on Mon morning, min 13°C on Tue morning). Winds decreasing (fresh winds from the WSW on Sun night, calm by Tue night). | Days 4-6 weather summary:Moderate rain (total 11.0mm), heaviest on Thu morning. Very mild (max 17°C on Wed afternoon, min 11°C on Thu night). Winds increasing (calm on Thu morning, strong winds from the NNW by Thu night). | ||||||||||||||||
Sun 27 | Monday 28 | Tuesday 29 | Wednesday 30 | Thursday 1 | Friday 2 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  |  |  | |  |  | |  | | | |  | |  | |
t-storm risk | mod. rain | mod. rain | light rain | heavy rain | heavy rain | heavy rain | rain shwrs | cloudy | light rain | light rain | light rain | light rain | rain shwrs | clear | clear | some clouds | |
km/h | |||||||||||||||||
Snow map |  |  |  |  |  |  | |||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | 5 | 10 | 7 | 5 | 18 | 16 | 12 | 11 | — | 1 | 3 | 3 | 3 | 1 | — | — | — |
max °C | 18 | 17 | 19 | 18 | 17 | 13 | 13 | 14 | 16 | 17 | 17 | 17 | 16 | 13 | 12 | 14 | 13 |
min °C | 17 | 17 | 18 | 17 | 14 | 13 | 13 | 14 | 16 | 17 | 17 | 17 | 15 | 11 | 11 | 13 | 12 |
chill °C | 17 | 16 | 17 | 16 | 13 | 11 | 11 | 14 | 16 | 17 | 16 | 17 | 13 | 7 | 8 | 11 | 11 |
Humid % | 87 | 94 | 87 | 85 | 81 | 93 | 88 | 88 | 89 | 94 | 96 | 94 | 94 | 56 | 73 | 49 | 74 |
Freeze m | 4300 | 4450 | 4450 | 4400 | 4250 | 4250 | 4300 | 4350 | 4550 | 4550 | 4700 | 4750 | 4800 | 4600 | 4500 | 4300 | 4050 |
 | — | — | 5:48 | — | — | 5:48 | — | — | 5:48 | — | — | 5:50 | — | — | 5:50 | — | — |
 | 5:46 | — | — | 5:45 | — | — | 5:44 | — | — | 5:42 | — | — | 5:40 | — | — | 5:39 | — |
SnowPro
Hourly & 16-day forecastsView past weatherFast, ad-free browsingSnow hindcasts & HistoryAvalanche 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 1062 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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