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Biwako Valley Weather Forecast - 7 to 16 days - 3rd May 2026

Biwako Valley Weather

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Weather Forecast for Biwako Valley (940m to 1,174m)

Weather Outlook from 3 May.

Biwako Valley Forecast

See below for the detailed long-range forecast, including lowest and highest temperatures, sunshine, cloud cover, wind and rain projections.

Biwako Valley Weather Forecast updated at 17:43 CDT, next update expected 23:00 CDT.

Long-range Snow Outlook for Biwako Valley

 
Snowfall

 
Snow Line

Max 19℃
Min 3℃

Snow unlikely

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Biwako Valley Daily Weather Forecast Detail

16 Day Weather and Snow Forecast for Biwako Valley from OpenMeteo(JMA)
BaseSnow and WeatherTemp
Town
Sun
03
Cloud

Cloudy.

Max 19℃
Min 11℃
Mon
04
Mixed

Clear spells.

Max 14℃
Min 4℃
Tue
05
Clear

Clear sky.

Max 12℃
Min 3℃
Wed
06
Clear

Clear sky.

Max 17℃
Min 6℃
Thu
07
Clear

Clear sky.

Max 19℃
Min 7℃
Fri
08
Cloud

Cloudy.

Max 14℃
Min 8℃
Sat
09
Drizzle

Drizzle.

Max 13℃
Min 7℃

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 Weather Forecast updated at 17:43 CDT, next update expected 23:00 CDT.

Current Snow

For current snow depths and skiing conditions, see our Current Snow Report for Biwako Valley.

For more information about this Japanese Ski Resort, See Also Skiing and Snowboarding in Biwako Valley .

Off-Piste Safety in Biwako Valley

Before skiing or snowboarding off-piste in Biwako Valley, you must assess the local snow conditions. Always check the local Avalanche Risk Level and ski with appropriate safety equipment.