Biwako Valley Snow Forecast - 7 day
Updated 22 July 2026 08:41 PDT
7-Day Snow Forecast for Biwako Valley
1-week from 22 July.
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 78°F
Min 63°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 78°F
Min 69°F
Valley temperatures from an overnight low of 69°F to daytime highs around 78°F
Temperature at BaseTemp at Base
Wed
22
Snow unlikely
Fair, cloudy, clear sky later.
Forecast times for Biwako Valley are in Tokyo (Asia/Tokyo) time zone.
Max 74°F
Min 68°F
Valley temperatures from an overnight low of 68°F to daytime highs around 74°F
Temperature at BaseTemp at Base
Thu
23
Snow unlikely
Fair early, then 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
24
Snow unlikely
Light drizzle early, then fair later.
Forecast times for Biwako Valley are in Tokyo (Asia/Tokyo) time zone.
Max 74°F
Min 66°F
Valley temperatures from an overnight low of 66°F to daytime highs around 74°F
Temperature at BaseTemp at Base
Sat
25
Snow unlikely
Rain showers first, light drizzle then light rain showers, clear spells later.
Forecast times for Biwako Valley are in Tokyo (Asia/Tokyo) time zone.
Max 75°F
Min 65°F
Valley temperatures from an overnight low of 65°F to daytime highs around 75°F
Temperature at BaseTemp at Base
Sun
26
Snow unlikely
Clear spells first, light drizzle then cloudy, clear spells later.
Forecast times for Biwako Valley are in Tokyo (Asia/Tokyo) time zone.
Max 75°F
Min 63°F
Valley temperatures from an overnight low of 63°F to daytime highs around 75°F
Temperature at BaseTemp at Base
Mon
27
Snow unlikely
Clear spells, light drizzle, clear spells later.
Forecast times for Biwako Valley are in Tokyo (Asia/Tokyo) time zone.
Max 76°F
Min 66°F
Valley temperatures from an overnight low of 66°F to daytime highs around 76°F
Temperature at BaseTemp at Base
Tue
28
Snow unlikely
Clear spells first, clear sky then fair, 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 08:41 PDT, next update expected 14:00 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.