Biwako Valley Long-Range Snow Forecast Updated today
Updated 10 October 2026 14:41 PDT
Long-Range Snow Forecast for Biwako Valley
Long-range (14 to 45 days) from 11 October.
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 64°F
Min 42°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 11 |  | Fair at altitude, clear sky below. | Max 64°F Min 53°F |
| Mon 12 |  | Fair. | Max 62°F Min 52°F |
| Tue 13 | | Clear spells at altitude, fair below. | Max 60°F Min 53°F |
| Wed 14 |  | Drizzle. | Max 57°F Min 51°F |
| Thu 15 | | Light drizzle. | Max 55°F Min 42°F |
| Fri 16 | | Clear sky. | Max 62°F Min 42°F |
| Sat 17 |  | Cloudy. | Max 63°F Min 46°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 14:41 PDT, next update expected imminently.
Ensemble forecast for Biwako Valley, Japan at 3,084ft
Daily Mean Temperature (yellow line is control)
Daily Total Precipitation (blue line is control)
Japan Accommodation (Apartments, Chalets, Hotels) Map
How reliable is the snow in Biwako Valley?
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.