Biwako Valley Snow Forecast - 7 day
Updated 03 May 2026 16:42 NZST
7-Day Snow Forecast for Biwako Valley
1-week from 3 May.
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 19℃
Min 3℃
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 19℃
Min 11℃
Valley temperatures from an overnight low of 11℃ to daytime highs around 19℃
Temperature at BaseTemp at Base
Sun
03
Snow unlikely
Cloudy first, light drizzle then drizzle, rain showers later.
Forecast times for Biwako Valley are in Tokyo (Asia/Tokyo) time zone.
Max 14℃
Min 4℃
Valley temperatures from an overnight low of 4℃ to daytime highs around 14℃
Temperature at BaseTemp at Base
Mon
04
Snow unlikely
Light drizzle first, rain showers then light drizzle, clear sky later.
Forecast times for Biwako Valley are in Tokyo (Asia/Tokyo) time zone.
Max 12℃
Min 3℃
Valley temperatures from an overnight low of 3℃ to daytime highs around 12℃
Temperature at BaseTemp at Base
Tue
05
Snow unlikely
Clear sky.
Forecast times for Biwako Valley are in Tokyo (Asia/Tokyo) time zone.
Max 17℃
Min 6℃
Valley temperatures from an overnight low of 6℃ to daytime highs around 17℃
Temperature at BaseTemp at Base
Wed
06
Snow unlikely
Clear sky, cloudy, clear sky later.
Forecast times for Biwako Valley are in Tokyo (Asia/Tokyo) time zone.
Max 18℃
Min 7℃
Valley temperatures from an overnight low of 7℃ to daytime highs around 18℃
Temperature at BaseTemp at Base
Thu
07
Snow unlikely
Clear sky early, then clear spells later.
Forecast times for Biwako Valley are in Tokyo (Asia/Tokyo) time zone.
Max 13℃
Min 8℃
Valley temperatures from an overnight low of 8℃ to daytime highs around 13℃
Temperature at BaseTemp at Base
Fri
08
Snow unlikely
Clear spells.
Forecast times for Biwako Valley are in Tokyo (Asia/Tokyo) time zone.
Max 13℃
Min 7℃
Valley temperatures from an overnight low of 7℃ to daytime highs around 13℃
Temperature at BaseTemp at Base
Sat
09
Snow unlikely
Drizzle, light drizzle, 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 16:42 NZST, next update expected 22:00 NZST.
Snow Forecast near Biwako Valley
| Ski Area | 48 Hr | 7 Day | Su | Mo | Tu | We | Th | Fr | Sa |
|---|---|---|---|---|---|---|---|---|---|
| Happo One | 5cm | 5cm | |||||||
| Myoko Suginohara | 3cm | 3cm | |||||||
| Tsugaike Kogen | 3cm | 3cm | |||||||
| Hakuba 47 | 2cm | 2cm |
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.