Biwako Valley Snow Forecast - 7 day
Updated 20 August 2026 13:40 AEST
7-Day Snow Forecast for Biwako Valley
1-week from 20 August.
For Forecast detail, see below.
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Biwako Valley 7-Day 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. |
7-Day Snow Outlook for Biwako Valley
Snowfall
Snow Line
Max 26℃
Min 18℃
Snow unlikely
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Biwako Valley Medium-Range (7-Day) Snow Forecast Detail
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.
Max 24℃
Min 20℃
Valley temperatures from an overnight low of 20℃ to daytime highs around 24℃
Temperature at BaseTemp at Base
Thu
20
Snow unlikely
Fair early, then rain showers later.
Forecast times for Biwako Valley are in Tokyo (Asia/Tokyo) time zone.
Max 21℃
Min 18℃
Valley temperatures from an overnight low of 18℃ to daytime highs around 21℃
Temperature at BaseTemp at Base
Fri
21
Snow unlikely
Light rain, rain showers, fair later.
Forecast times for Biwako Valley are in Tokyo (Asia/Tokyo) time zone.
Max 22℃
Min 18℃
Valley temperatures from an overnight low of 18℃ to daytime highs around 22℃
Temperature at BaseTemp at Base
Sat
22
Snow unlikely
Fair.
Forecast times for Biwako Valley are in Tokyo (Asia/Tokyo) time zone.
Max 24℃
Min 18℃
Valley temperatures from an overnight low of 18℃ to daytime highs around 24℃
Temperature at BaseTemp at Base
Sun
23
Snow unlikely
Cloudy early, then clear sky later.
Forecast times for Biwako Valley are in Tokyo (Asia/Tokyo) time zone.
Max 25℃
Min 18℃
Valley temperatures from an overnight low of 18℃ to daytime highs around 25℃
Temperature at BaseTemp at Base
Mon
24
Snow unlikely
Clear sky first, light drizzle then light rain showers, clear spells later.
Forecast times for Biwako Valley are in Tokyo (Asia/Tokyo) time zone.
Max 26℃
Min 19℃
Valley temperatures from an overnight low of 19℃ to daytime highs around 26℃
Temperature at BaseTemp at Base
Tue
25
Snow unlikely
Clear spells first, cloudy then light drizzle, fair later.
Forecast times for Biwako Valley are in Tokyo (Asia/Tokyo) time zone.
Max 25℃
Min 18℃
Valley temperatures from an overnight low of 18℃ to daytime highs around 25℃
Temperature at BaseTemp at Base
Wed
26
Snow unlikely
Fair, cloudy, clear spells later.
Forecast times for Biwako Valley are in Tokyo (Asia/Tokyo) time zone.
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 13:40 AEST, next update expected 19:00 AEST.
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.