Biwako Valley Snow Forecast - 7 day
Updated 02 May 2026 15:43 PDT
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 66°F
Min 37°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 66°F
Min 51°F
Valley temperatures from an overnight low of 51°F to daytime highs around 66°F
Temperature at BaseTemp at Base
Sun
03
Snow unlikely
Clear spells first, rain showers then rain, clear spells later.
Forecast times for Biwako Valley are in Tokyo (Asia/Tokyo) time zone.
Max 57°F
Min 38°F
Valley temperatures from an overnight low of 38°F to daytime highs around 57°F
Temperature at BaseTemp at Base
Mon
04
Snow unlikely
Light drizzle first, fair then light drizzle, clear sky later.
Forecast times for Biwako Valley are in Tokyo (Asia/Tokyo) time zone.
Max 54°F
Min 37°F
Valley temperatures from an overnight low of 37°F to daytime highs around 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.
Max 62°F
Min 43°F
Valley temperatures from an overnight low of 43°F to daytime highs around 62°F
Temperature at BaseTemp at Base
Wed
06
Snow unlikely
Clear sky.
Forecast times for Biwako Valley are in Tokyo (Asia/Tokyo) time zone.
Max 65°F
Min 44°F
Valley temperatures from an overnight low of 44°F to daytime highs around 65°F
Temperature at BaseTemp at Base
Thu
07
Snow unlikely
Clear sky, fair, clear spells later.
Forecast times for Biwako Valley are in Tokyo (Asia/Tokyo) time zone.
Max 57°F
Min 46°F
Valley temperatures from an overnight low of 46°F to daytime highs around 57°F
Temperature at BaseTemp at Base
Fri
08
Snow unlikely
Cloudy early, then clear spells later.
Forecast times for Biwako Valley are in Tokyo (Asia/Tokyo) time zone.
Max 54°F
Min 45°F
Valley temperatures from an overnight low of 45°F to daytime highs around 54°F
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 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 15:43 PDT, next update expected 21:00 PDT.
Snow Forecast near Biwako Valley
| Ski Area | 48 Hr | 7 Day | Su | Mo | Tu | We | Th | Fr | Sa |
|---|---|---|---|---|---|---|---|---|---|
| Happo One | 2in | 2in | |||||||
| Myoko Suginohara | 1in | 1in | |||||||
| Tsugaike Kogen | 1in | 1in | |||||||
| Hakuba 47 | 1in | 1in |
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.