Biwako Valley Snow Forecast - 7 day
Updated 11 August 2026 09:46 UTC
7-Day Snow Forecast for Biwako Valley
1-week from 11 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 27℃ 81°F
Min 17℃ 62°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 20℃ 68°F
Min 17℃ 62°F
Valley temperatures from an overnight low of 17℃ 62°F to daytime highs around 20℃ 68°F
Temperature at BaseTemp at Base
Tue
11
Snow unlikely
Fair first, rain showers then light drizzle, clear sky later.
Forecast times for Biwako Valley are in Tokyo (Asia/Tokyo) time zone.
Max 24℃ 75°F
Min 17℃ 63°F
Valley temperatures from an overnight low of 17℃ 63°F to daytime highs around 24℃ 75°F
Temperature at BaseTemp at Base
Wed
12
Snow unlikely
Clear sky first, clear spells then clear sky, fair later.
Forecast times for Biwako Valley are in Tokyo (Asia/Tokyo) time zone.
Max 27℃ 81°F
Min 18℃ 65°F
Valley temperatures from an overnight low of 18℃ 65°F to daytime highs around 27℃ 81°F
Temperature at BaseTemp at Base
Thu
13
Snow unlikely
Clear sky early, then fair later.
Forecast times for Biwako Valley are in Tokyo (Asia/Tokyo) time zone.
Max 24℃ 75°F
Min 19℃ 65°F
Valley temperatures from an overnight low of 19℃ 65°F to daytime highs around 24℃ 75°F
Temperature at BaseTemp at Base
Fri
14
Snow unlikely
Rain showers early, then fair later.
Forecast times for Biwako Valley are in Tokyo (Asia/Tokyo) time zone.
Max 25℃ 76°F
Min 18℃ 64°F
Valley temperatures from an overnight low of 18℃ 64°F to daytime highs around 25℃ 76°F
Temperature at BaseTemp at Base
Sat
15
Snow unlikely
Fair early, then clear spells later.
Forecast times for Biwako Valley are in Tokyo (Asia/Tokyo) time zone.
Max 23℃ 74°F
Min 18℃ 65°F
Valley temperatures from an overnight low of 18℃ 65°F to daytime highs around 23℃ 74°F
Temperature at BaseTemp at Base
Sun
16
Snow unlikely
Light drizzle first, drizzle then fair, light drizzle later.
Forecast times for Biwako Valley are in Tokyo (Asia/Tokyo) time zone.
Max 23℃ 74°F
Min 18℃ 65°F
Valley temperatures from an overnight low of 18℃ 65°F to daytime highs around 23℃ 74°F
Temperature at BaseTemp at Base
Mon
17
Snow unlikely
Light drizzle early, then fair 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 piste 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 09:46 UTC, next update expected 15:00 UTC.
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.







