Biwako Valley Long-Range Snow Forecast Updated today
Updated 22 July 2026 02:42 PDT
Long-Range Snow Forecast for Biwako Valley
Long-range (14 to 45 days) from 22 July.
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 78°F
Min 65°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 | |
|---|---|---|---|
| Wed 22 |  | Fair. | Max 78°F Min 69°F |
| Thu 23 | | Fair. | Max 74°F Min 68°F |
| Fri 24 |  | Snow showers at altitude, light drizzle below. | Max 75°F Min 67°F |
| Sat 25 | | Fair. | Max 74°F Min 67°F |
| Sun 26 | | Light drizzle. | Max 74°F Min 66°F |
| Mon 27 | | Fair. | Max 76°F Min 65°F |
| Tue 28 | | Clear spells. | Max 76°F Min 67°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 02:42 PDT, next update expected 08:00 PDT.
Ensemble forecast for Biwako Valley, Japan at 3,084ft
Daily Mean Temperature (yellow line is control)
Daily Total Precipitation (blue line is control)
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.