Biwako Valley Snow Forecast - 7 day
Updated 02 May 2026 09:41 PDT
7-Day Snow Forecast for Biwako Valley
1-week from 2 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 65°F
Min 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 58°F
Min 47°F
Valley temperatures from an overnight low of 47°F to daytime highs around 58°F
Temperature at BaseTemp at Base
Sat
02
Snow unlikely
Clear sky early, then cloudy later.
Forecast times for Biwako Valley are in Tokyo (Asia/Tokyo) time zone.
Max 65°F
Min 49°F
Valley temperatures from an overnight low of 49°F to daytime highs around 65°F
Temperature at BaseTemp at Base
Sun
03
Snow unlikely
Clear spells, rain showers, fair later.
Forecast times for Biwako Valley are in Tokyo (Asia/Tokyo) time zone.
Max 57°F
Min 40°F
Valley temperatures from an overnight low of 40°F to daytime highs around 57°F
Temperature at BaseTemp at Base
Mon
04
Snow unlikely
Fair first, clear spells then heavy drizzle, clear sky later.
Forecast times for Biwako Valley are in Tokyo (Asia/Tokyo) time zone.
Max 55°F
Min 38°F
Valley temperatures from an overnight low of 38°F to daytime highs around 55°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 60°F
Min 40°F
Valley temperatures from an overnight low of 40°F to daytime highs around 60°F
Temperature at BaseTemp at Base
Wed
06
Snow unlikely
Fair early, then clear sky later.
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 first, fair then clear spells, cloudy later.
Forecast times for Biwako Valley are in Tokyo (Asia/Tokyo) time zone.
Max 56°F
Min 46°F
Valley temperatures from an overnight low of 46°F to daytime highs around 56°F
Temperature at BaseTemp at Base
Fri
08
Snow unlikely
Cloudy, light drizzle, drizzle 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 09:41 PDT, next update expected imminently.
Snow Forecast near Biwako Valley
| Ski Area | 48 Hr | 7 Day | Sa | Su | Mo | Tu | We | Th | Fr |
|---|---|---|---|---|---|---|---|---|---|
| Happo One | 1in | 2in | |||||||
| Myoko Suginohara | - | 2in | |||||||
| Tsugaike Kogen | - | 1in | |||||||
| Hakuba 47 | - | - |
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.