Biwako Valley Long-Range Snow Forecast Updated today
Updated 12 April 2026 03:41 PDT
Long-Range Snow Forecast for Biwako Valley
Long-range (14 to 45 days) from 12 April.
For Forecast detail, see below.
Biwako Valley Snow Forecast Highlights
When will there be fresh snow in Biwako Valley?
| Next Snow? | |
|---|---|
| There is no snow currently in the forecast for Biwako Valley. |
Long-range Snow Outlook for Biwako Valley
Snowfall
Snow Line
Max 61°F
Min 38°F
Snow unlikely
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Biwako Valley Long-Range (2 weeks+) Snow Forecast Outlook
Note :- Mountain weather is extremely dynamic; the forecast below will change. Any forecast snow may move forward or back in the forecast, and predicted snowfall depths will be revised in subsequent updates.
| Base | Snow and Weather | Temp Town | |
|---|---|---|---|
| Sun 12 |  | Clear sky. | Max 46°F Min 38°F |
| Mon 13 | | Clear sky. | Max 58°F Min 41°F |
| Tue 14 | | Clear sky. | Max 56°F Min 42°F |
| Wed 15 |  | Light snow showers at altitude, light rain showers below. | Max 57°F Min 45°F |
| Thu 16 |  | Rain showers. | Max 54°F Min 42°F |
| Fri 17 | | Fair. | Max 61°F Min 41°F |
| Sat 18 |  | Light drizzle. | Max 54°F Min 44°F |
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No significant snowfall is forecast for this period.
This Snow Forecast for Biwako Valley, Japan gives the predicted Snowfall and Freezing Levels for the next week.
The forecast snowfall depths given are the likely average accumulations for the Lower and Upper slopes. The actual snow depth in Biwako Valley, on any given trail or itinerary, may be dramatically different, particularly if the snowfall is accompanied by high winds and/or varying air temperatures.
Snow Forecasts beyond two days ahead are subject to significant change and variable reliability.
Biwako Valley Snow Forecast updated at 03:41 PDT, next update expected 09:00 PDT.
Ensemble forecast for Biwako Valley, Japan at 3,084ft
Daily Mean Temperature (yellow line is control)
Daily Total Precipitation (blue line is control)
Japan Hotels Map
Snow Reliability
Biwako Valley typically sees a snow depth of around 1 to 2 meters throughout the season, with reliable snowfall from December to March. For the latest snow conditions, check updates on J2Ski.
Off-Piste Safety in Biwako Valley
Before skiing or snowboarding off-piste in Biwako Valley, you must assess the local snow conditions. Always check the local Avalanche Risk Level and ski with appropriate safety equipment.