Biwako Valley Snow Forecast - 7 day
Updated 14 November 2026 21:48 UTC
7-Day Snow Forecast for Biwako Valley
1-week from 15 November.
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 Expected | 19 November |
|---|---|
| Next Snow Amount | 2cm 1in |
| Next 48 Hours | - - |
| Next 7 Days | 82cm 32in |
7-Day Snow Outlook for Biwako Valley
Snowfall
Snow Line
Max 12℃ 53°F
Min -1℃ 30°F
85cm 33in New Snow
Snow falling to resort level ( 940m 3,084ft ).
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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 12℃ 53°F
Min 8℃ 47°F
Valley temperatures from an overnight low of 8℃ 47°F to daytime highs around 12℃ 53°F
Temperature at BaseTemp at Base
Sun
15
Snow unlikely
Drizzle, rain showers, cloudy later.
Forecast times for Biwako Valley are in Tokyo (Asia/Tokyo) time zone.
Max 8℃ 46°F
Min 5℃ 42°F
Valley temperatures from an overnight low of 5℃ 42°F to daytime highs around 8℃ 46°F
Temperature at BaseTemp at Base
Mon
16
Snow unlikely
Cloudy, clear spells, fair later.
Forecast times for Biwako Valley are in Tokyo (Asia/Tokyo) time zone.
Max 8℃ 47°F
Min 4℃ 39°F
Valley temperatures from an overnight low of 4℃ 39°F to daytime highs around 8℃ 47°F
Temperature at BaseTemp at Base
Tue
17
Snow unlikely
Clear sky first, fair then cloudy, light drizzle later.
Forecast times for Biwako Valley are in Tokyo (Asia/Tokyo) time zone.
Max 11℃ 51°F
Min 7℃ 44°F
Valley temperatures from an overnight low of 7℃ 44°F to daytime highs around 11℃ 51°F
Temperature at BaseTemp at Base
Wed
18
Snow unlikely
Light drizzle first, light rain then heavy drizzle, light drizzle later.
Forecast times for Biwako Valley are in Tokyo (Asia/Tokyo) time zone.
Max 8℃ 47°F
Min 1℃ 33°F
Valley temperatures from an overnight low of 1℃ 33°F to daytime highs around 8℃ 47°F
Temperature at BaseTemp at Base
Snowfall
Snow Line
Thu
19
2cm to 4cm 1in to 2in New Snow
Light drizzle, snow, patchy heavy snow later.
Snow falling to resort level ( 940m 3,084ft ).
Forecast times for Biwako Valley are in Tokyo (Asia/Tokyo) time zone.
Max 1℃ 33°F
Min -1℃ 30°F
Valley temperatures from an overnight low of -1℃ 30°F to daytime highs around 1℃ 33°F
Temperature at BaseTemp at Base
Snowfall
Snow Line
Fri
20
41cm to 48cm 16in to 19in New Snow
Heavy snow.
Snow falling to resort level ( 940m 3,084ft ).
Forecast times for Biwako Valley are in Tokyo (Asia/Tokyo) time zone.
Max 1℃ 34°F
Min -1℃ 30°F
Valley temperatures from an overnight low of -1℃ 30°F to daytime highs around 1℃ 34°F
Temperature at BaseTemp at Base
Snowfall
Snow Line
Sat
21
27cm to 33cm 11in to 13in New Snow
Heavy snow showers early, then light snow later.
Snow falling to resort level ( 940m 3,084ft ).
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 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 21:48 UTC, next update expected 03:00 UTC.
Snow Forecast near Biwako Valley
| Ski Area | 48 Hr | 7 Day | Su | Mo | Tu | We | Th | Fr | Sa |
|---|---|---|---|---|---|---|---|---|---|
| Myoko Suginohara | - | 91cm 36in | |||||||
| Tsugaike Kogen | - | 91cm 36in | |||||||
| Myoko Ikenotaira | - | 88cm 35in | |||||||
| Togari Onsen | - | 72cm 28in | |||||||
| Myoko Pine Valley | - | 59cm 23in | |||||||
| Happo One | - | 16cm 6in | |||||||
| Hakuba 47 | - | 14cm 5in |
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.