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

Biwako Valley Weather

ECMWF IFS
GFS
JMA

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Weather Forecast for Biwako Valley (3,084ft to 3,852ft)

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 21:41 PDT, next update expected imminently.

Long-range Snow Outlook for Biwako Valley

 
Snowfall

 
Snow Line

Max 75°F
Min 59°F

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 Drizzle

Light drizzle.

Max 67°F
Min 60°F
Fri
03
Shwrs

Fair at altitude, rain showers below.

Max 66°F
Min 59°F
Sat
04
Cloud

Cloudy.

Max 71°F
Min 60°F
Sun
05
Lt Drizzle

Light drizzle.

Max 72°F
Min 61°F
Mon
06
Lt Rain

Light rain.

Max 65°F
Min 62°F
Tue
07
Lt Drizzle

Light drizzle.

Max 70°F
Min 60°F
Wed
08
Mixed

Clear spells.

Max 75°F
Min 62°F

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 trail 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 21:41 PDT, next update expected imminently.

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.