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Biwako Valley 7-Day Snow Forecast - 22nd July 2026

Biwako Valley Snow Forecast - 7 day

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JMA

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Updated 22 July 2026 04:42 CDT

7-Day Snow Forecast for Biwako Valley

1-week from 22 July.

For Forecast detail, see below.

Biwako Valley 7-Day Snow Forecast Highlights

When will there be fresh snow in Biwako Valley?

Biwako Valley Snow Forecast Highlights - JMA
Snowfall prediction at mid-mountain (1,057m)
Next Snow?
There is no snow currently in the forecast for Biwako Valley.

7-Day Snow Outlook for Biwako Valley

 
Snowfall

 
Snow Line

Max 25℃
Min 18℃

Snow unlikely

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 25℃
Min 20℃

Valley temperatures from an overnight low of 20℃ to daytime highs around 25℃

Temperature at BaseTemp at Base

Wed
22

Snow unlikely

FairFairFairFair

Fair.

Forecast times for Biwako Valley are in Tokyo (Asia/Tokyo) time zone.

Max 23℃
Min 20℃

Valley temperatures from an overnight low of 20℃ to daytime highs around 23℃

Temperature at BaseTemp at Base

Thu
23

Snow unlikely

FairFairClearClear

Fair early, then clear sky later.

Forecast times for Biwako Valley are in Tokyo (Asia/Tokyo) time zone.

Max 24℃
Min 19℃

Valley temperatures from an overnight low of 19℃ to daytime highs around 24℃

Temperature at BaseTemp at Base

Fri
24

Snow unlikely

Lt DrizzleLt DrizzleFairFair

Light drizzle early, then fair later.

Forecast times for Biwako Valley are in Tokyo (Asia/Tokyo) time zone.

Max 24℃
Min 19℃

Valley temperatures from an overnight low of 19℃ to daytime highs around 24℃

Temperature at BaseTemp at Base

Sat
25

Snow unlikely

ShwrsLt DrizzleLt DrizzleLt Drizzle

Rain showers early, then light drizzle later.

Forecast times for Biwako Valley are in Tokyo (Asia/Tokyo) time zone.

Max 23℃
Min 19℃

Valley temperatures from an overnight low of 19℃ to daytime highs around 23℃

Temperature at BaseTemp at Base

Sun
26

Snow unlikely

Lt DrizzleLt DrizzleFairFair

Light drizzle early, then fair later.

Forecast times for Biwako Valley are in Tokyo (Asia/Tokyo) time zone.

Max 25℃
Min 18℃

Valley temperatures from an overnight low of 18℃ to daytime highs around 25℃

Temperature at BaseTemp at Base

Mon
27

Snow unlikely

FairFairMixedMixed

Fair early, then clear spells later.

Forecast times for Biwako Valley are in Tokyo (Asia/Tokyo) time zone.

Max 24℃
Min 19℃

Valley temperatures from an overnight low of 19℃ to daytime highs around 24℃

Temperature at BaseTemp at Base

Tue
28

Snow unlikely

MixedClearFairMixed

Clear spells first, clear sky then fair, clear spells 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 04:42 CDT, next update expected 10:00 CDT.

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.