Biwako Valley Snow Forecast - 7 day
Updated 29 April 2026 16:41 UTC
7-Day Snow Forecast for Biwako Valley
1-week from 29 April.
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 18℃ 65°F
Min 3℃ 38°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 7℃ 44°F
Min 4℃ 38°F
Valley temperatures from an overnight low of 4℃ 38°F to daytime highs around 7℃ 44°F
Temperature at BaseTemp at Base
Wed
29
Snow unlikely
Light drizzle early, then cloudy later.
Forecast times for Biwako Valley are in Tokyo (Asia/Tokyo) time zone.
Max 13℃ 55°F
Min 3℃ 38°F
Valley temperatures from an overnight low of 3℃ 38°F to daytime highs around 13℃ 55°F
Temperature at BaseTemp at Base
Thu
30
Snow unlikely
Clear spells, cloudy, rain showers later.
Forecast times for Biwako Valley are in Tokyo (Asia/Tokyo) time zone.
Max 18℃ 65°F
Min 6℃ 43°F
Valley temperatures from an overnight low of 6℃ 43°F to daytime highs around 18℃ 65°F
Temperature at BaseTemp at Base
Fri
01
Snow unlikely
Clear sky, rain showers, clear sky later.
Forecast times for Biwako Valley are in Tokyo (Asia/Tokyo) time zone.
Max 14℃ 58°F
Min 5℃ 40°F
Valley temperatures from an overnight low of 5℃ 40°F to daytime highs around 14℃ 58°F
Temperature at BaseTemp at Base
Sat
02
Snow unlikely
Clear sky, fair, clear spells later.
Forecast times for Biwako Valley are in Tokyo (Asia/Tokyo) time zone.
Max 18℃ 64°F
Min 7℃ 44°F
Valley temperatures from an overnight low of 7℃ 44°F to daytime highs around 18℃ 64°F
Temperature at BaseTemp at Base
Sun
03
Snow unlikely
Clear spells first, cloudy then light drizzle, drizzle later.
Forecast times for Biwako Valley are in Tokyo (Asia/Tokyo) time zone.
Max 14℃ 58°F
Min 8℃ 46°F
Valley temperatures from an overnight low of 8℃ 46°F to daytime highs around 14℃ 58°F
Temperature at BaseTemp at Base
Mon
04
Snow unlikely
Light drizzle first, drizzle then light rain showers, light drizzle later.
Forecast times for Biwako Valley are in Tokyo (Asia/Tokyo) time zone.
Max 12℃ 54°F
Min 6℃ 42°F
Valley temperatures from an overnight low of 6℃ 42°F to daytime highs around 12℃ 54°F
Temperature at BaseTemp at Base
Tue
05
Snow unlikely
Clear sky.
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 16:41 UTC, next update expected 22:00 UTC.
Snow Forecast near Biwako Valley
| Ski Area | 48 Hr | 7 Day | We | Th | Fr | Sa | Su | Mo | Tu |
|---|---|---|---|---|---|---|---|---|---|
| Myoko Suginohara | - | 7cm 3in | |||||||
| Happo One | - | 6cm 2in |
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.









