Biwako Valley Snow Forecast - 7 day
Updated 11 August 2026 14:47 PDT
7-Day Snow Forecast for Biwako Valley
1-week from 12 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 80°F
Min 61°F
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 77°F
Min 63°F
Valley temperatures from an overnight low of 63°F to daytime highs around 77°F
Temperature at BaseTemp at Base
Wed
12
Snow unlikely
Fair first, clear spells then rain showers, fair later.
Forecast times for Biwako Valley are in Tokyo (Asia/Tokyo) time zone.
Max 80°F
Min 66°F
Valley temperatures from an overnight low of 66°F to daytime highs around 80°F
Temperature at BaseTemp at Base
Thu
13
Snow unlikely
Light rain showers first, rain showers then fair, clear sky later.
Forecast times for Biwako Valley are in Tokyo (Asia/Tokyo) time zone.
Max 75°F
Min 66°F
Valley temperatures from an overnight low of 66°F to daytime highs around 75°F
Temperature at BaseTemp at Base
Fri
14
Snow unlikely
Light drizzle early, then fair later.
Forecast times for Biwako Valley are in Tokyo (Asia/Tokyo) time zone.
Max 76°F
Min 65°F
Valley temperatures from an overnight low of 65°F to daytime highs around 76°F
Temperature at BaseTemp at Base
Sat
15
Snow unlikely
Fair early, then clear sky later.
Forecast times for Biwako Valley are in Tokyo (Asia/Tokyo) time zone.
Max 75°F
Min 64°F
Valley temperatures from an overnight low of 64°F to daytime highs around 75°F
Temperature at BaseTemp at Base
Sun
16
Snow unlikely
Clear sky, fair, clear sky later.
Forecast times for Biwako Valley are in Tokyo (Asia/Tokyo) time zone.
Max 76°F
Min 61°F
Valley temperatures from an overnight low of 61°F to daytime highs around 76°F
Temperature at BaseTemp at Base
Mon
17
Snow unlikely
Clear sky, light drizzle, clear spells later.
Forecast times for Biwako Valley are in Tokyo (Asia/Tokyo) time zone.
Max 77°F
Min 64°F
Valley temperatures from an overnight low of 64°F to daytime highs around 77°F
Temperature at BaseTemp at Base
Tue
18
Snow unlikely
Fair.
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 14:47 PDT, next update expected 20:00 PDT.
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.