Biwako Valley Snow Forecast - 7 day
Updated 11 November 2026 20:44 AEDT
7-Day Snow Forecast for Biwako Valley
1-week from 11 November.
For Forecast detail, see below.
There is a useful amount of snow in the long-range forecast (8 to 16 days from today)!
J2Ski - Sign In for a long-range snow forecast, with more weather detail.
Biwako Valley 7-Day Snow Forecast Highlights
When will there be fresh snow in Biwako Valley?
| Next Snow Expected | 19 November |
|---|---|
| Next Snow Amount | 23cm |
| Next 48 Hours | - |
| Next 7 Days | - |
7-Day Snow Outlook for Biwako Valley
Snowfall
Snow Line
Max 14℃
Min 2℃
Snow unlikely
There is a useful amount of snow in the long-range forecast (8 to 16 days from today)!
J2Ski - Sign In for a long-range snow forecast, with more weather detail.
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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 6℃
Min 4℃
Valley temperatures from an overnight low of 4℃ to daytime highs around 6℃
Temperature at BaseTemp at Base
Wed
11
Snow unlikely
Fair first, clear spells then clear sky, fair later.
Forecast times for Biwako Valley are in Tokyo (Asia/Tokyo) time zone.
Max 13℃
Min 5℃
Valley temperatures from an overnight low of 5℃ to daytime highs around 13℃
Temperature at BaseTemp at Base
Thu
12
Snow unlikely
Clear sky.
Forecast times for Biwako Valley are in Tokyo (Asia/Tokyo) time zone.
Max 14℃
Min 5℃
Valley temperatures from an overnight low of 5℃ to daytime highs around 14℃
Temperature at BaseTemp at Base
Fri
13
Snow unlikely
Clear sky, fair, clear sky later.
Forecast times for Biwako Valley are in Tokyo (Asia/Tokyo) time zone.
Max 14℃
Min 6℃
Valley temperatures from an overnight low of 6℃ to daytime highs around 14℃
Temperature at BaseTemp at Base
Sat
14
Snow unlikely
Fair, clear spells, cloudy later.
Forecast times for Biwako Valley are in Tokyo (Asia/Tokyo) time zone.
Max 14℃
Min 8℃
Valley temperatures from an overnight low of 8℃ to daytime highs around 14℃
Temperature at BaseTemp at Base
Sun
15
Snow unlikely
Drizzle, light drizzle, light rain later.
Forecast times for Biwako Valley are in Tokyo (Asia/Tokyo) time zone.
Max 10℃
Min 3℃
Valley temperatures from an overnight low of 3℃ to daytime highs around 10℃
Temperature at BaseTemp at Base
Mon
16
Snow unlikely
Drizzle, light drizzle, fair later.
Forecast times for Biwako Valley are in Tokyo (Asia/Tokyo) time zone.
Max 8℃
Min 2℃
Valley temperatures from an overnight low of 2℃ to daytime highs around 8℃
Temperature at BaseTemp at Base
Tue
17
Snow unlikely
Clear spells, fair, light drizzle later.
Forecast times for Biwako Valley are in Tokyo (Asia/Tokyo) time zone.
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 20:44 AEDT, next update expected 02:00 AEDT.
Snow Forecast near Biwako Valley
| Ski Area | 48 Hr | 7 Day | We | Th | Fr | Sa | Su | Mo | Tu |
|---|---|---|---|---|---|---|---|---|---|
| Myoko Suginohara | - | 7cm | |||||||
| Tsugaike Kogen | - | 12cm | |||||||
| Happo One | - | 2cm | |||||||
| Hakuba 47 | - | 1cm |
How reliable is the snow in Biwako Valley?
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.