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Biwako Valley Weather Forecast - 7 to 16 days - 2nd July 2026

Biwako Valley Weather

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JMA

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

Weather Outlook from 2 July.

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 22:42 NZST, next update expected 04:00 NZST.

Long-range Snow Outlook for Biwako Valley

 
Snowfall

 
Snow Line

Max 22℃
Min 15℃

Snow unlikely

Biwako Valley Daily Weather Forecast Detail

16 Day Weather and Snow Forecast for Biwako Valley from OpenMeteo(JMA)
BaseSnow and WeatherTemp
Town
Thu
02
Lt Rain

Snow showers at altitude, light rain below.

Max 19℃
Min 15℃
Fri
03
Rain

Light snow at altitude, rain below.

Max 17℃
Min 15℃
Sat
04
Fair

Fair.

Max 22℃
Min 15℃
Sun
05
Fair

Fair.

Max 22℃
Min 17℃
Mon
06
Lt Drizzle

Light drizzle.

Max 22℃
Min 16℃
Tue
07
Lt Drizzle

Light drizzle.

Max 22℃
Min 16℃
Wed
08
Lt Drizzle

Light drizzle.

Max 22℃
Min 16℃

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 22:42 NZST, next update expected 04:00 NZST.

Current Snow

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

Japan Accommodation (Apartments, Chalets, Hotels) Map

 

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.