Biwako Valley Snow Forecast - 7 day
Updated 18 June 2026 15:41 UTC
7-Day Snow Forecast for Biwako Valley
1-week from 18 June.
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 22℃ 72°F
Min 11℃ 52°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 21℃ 70°F
Min 16℃ 60°F
Valley temperatures from an overnight low of 16℃ 60°F to daytime highs around 21℃ 70°F
Temperature at BaseTemp at Base
Thu
18
Snow unlikely
Fair.
Forecast times for Biwako Valley are in Tokyo (Asia/Tokyo) time zone.
Max 21℃ 69°F
Min 16℃ 60°F
Valley temperatures from an overnight low of 16℃ 60°F to daytime highs around 21℃ 69°F
Temperature at BaseTemp at Base
Fri
19
Snow unlikely
Clear spells first, fair then clear spells, cloudy later.
Forecast times for Biwako Valley are in Tokyo (Asia/Tokyo) time zone.
Max 22℃ 72°F
Min 16℃ 61°F
Valley temperatures from an overnight low of 16℃ 61°F to daytime highs around 22℃ 72°F
Temperature at BaseTemp at Base
Sat
20
Snow unlikely
Cloudy, light drizzle, rain showers later.
Forecast times for Biwako Valley are in Tokyo (Asia/Tokyo) time zone.
Max 18℃ 64°F
Min 15℃ 60°F
Valley temperatures from an overnight low of 15℃ 60°F to daytime highs around 18℃ 64°F
Temperature at BaseTemp at Base
Sun
21
Snow unlikely
Drizzle first, light rain then light drizzle, light rain later.
Forecast times for Biwako Valley are in Tokyo (Asia/Tokyo) time zone.
Max 16℃ 61°F
Min 14℃ 57°F
Valley temperatures from an overnight low of 14℃ 57°F to daytime highs around 16℃ 61°F
Temperature at BaseTemp at Base
Mon
22
Snow unlikely
Heavy drizzle first, drizzle then light drizzle, clear spells later.
Forecast times for Biwako Valley are in Tokyo (Asia/Tokyo) time zone.
Max 18℃ 64°F
Min 13℃ 55°F
Valley temperatures from an overnight low of 13℃ 55°F to daytime highs around 18℃ 64°F
Temperature at BaseTemp at Base
Tue
23
Snow unlikely
Cloudy early, then light drizzle later.
Forecast times for Biwako Valley are in Tokyo (Asia/Tokyo) time zone.
Max 16℃ 61°F
Min 11℃ 52°F
Valley temperatures from an overnight low of 11℃ 52°F to daytime highs around 16℃ 61°F
Temperature at BaseTemp at Base
Wed
24
Snow unlikely
Light drizzle, light rain showers, 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 15:41 UTC, next update expected 21:00 UTC.
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.