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Biwako Valley 7-Day Snow Forecast - 2nd July 2026

Biwako Valley Snow Forecast - 7 day

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JMA

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Updated 02 July 2026 05:41 BST

7-Day Snow Forecast for Biwako Valley

1-week from 2 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 24℃ 75°F
Min 15℃ 59°F

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 19℃ 67°F
Min 16℃ 60°F

Valley temperatures from an overnight low of 16℃ 60°F to daytime highs around 19℃ 67°F

Temperature at BaseTemp at Base

Thu
02

Snow unlikely

Lt DrizzleHvy DrizzleDrizzleRain

Light drizzle first, heavy drizzle then drizzle, rain later.

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

Max 19℃ 66°F
Min 15℃ 59°F

Valley temperatures from an overnight low of 15℃ 59°F to daytime highs around 19℃ 66°F

Temperature at BaseTemp at Base

Fri
03

Snow unlikely

Lt DrizzleFairFairClear

Light drizzle, fair, clear sky later.

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

Max 21℃ 71°F
Min 15℃ 60°F

Valley temperatures from an overnight low of 15℃ 60°F to daytime highs around 21℃ 71°F

Temperature at BaseTemp at Base

Sat
04

Snow unlikely

CloudMixedMixedCloud

Cloudy, 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

Sun
05

Snow unlikely

Lt DrizzleLt DrizzleLt DrizzleLt Rain

Light drizzle early, then light rain later.

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

Max 19℃ 65°F
Min 17℃ 62°F

Valley temperatures from an overnight low of 17℃ 62°F to daytime highs around 19℃ 65°F

Temperature at BaseTemp at Base

Mon
06

Snow unlikely

Lt RainDrizzleLt DrizzleLt Drizzle

Light rain, drizzle, light drizzle later.

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

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

Tue
07

Snow unlikely

Lt DrizzleLt DrizzleLt RainMixed

Light drizzle, light rain showers, clear spells later.

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

Max 24℃ 75°F
Min 17℃ 62°F

Valley temperatures from an overnight low of 17℃ 62°F to daytime highs around 24℃ 75°F

Temperature at BaseTemp at Base

Wed
08

Snow unlikely

MixedLt DrizzleLt DrizzleCloud

Clear spells, light drizzle, cloudy 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 05:41 BST, next update expected imminently.

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.