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Biwako Valley Weather Forecast - 7 to 16 days - 12th April 2026

Biwako Valley Weather

ECMWF IFS
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JMA

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

Weather Outlook from 12 April.

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 03:41 PDT, next update expected 09:00 PDT.

Long-range Snow Outlook for Biwako Valley

 
Snowfall

 
Snow Line

Max 61°F
Min 38°F

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
12
Clear

Clear sky.

Max 46°F
Min 38°F
Mon
13
Clear

Clear sky.

Max 58°F
Min 41°F
Tue
14
Clear

Clear sky.

Max 56°F
Min 42°F
Wed
15
Mixed

Light snow showers at altitude, light rain showers below.

Max 57°F
Min 45°F
Thu
16
Shwrs

Rain showers.

Max 54°F
Min 42°F
Fri
17
Fair

Fair.

Max 61°F
Min 41°F
Sat
18
Lt Drizzle

Light drizzle.

Max 54°F
Min 44°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 03:41 PDT, next update expected 09:00 PDT.

Current Snow

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

Japan 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.