Biwako Valley Weather
Two Week Weather Forecast for Biwako Valley (940m to 1,174m)
This is the Snow Forecast and Weather Outlook for Biwako Valley, Japan for 15 days from 21 June.
Updated 21 June 2025 06:31 AEST.
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 06:31 AEST, next update expected 12:00 AEST.
To get the latest weather forecasts for Biwako Valley, by e-mail Join J2Ski's Snow Mail Here
Biwako Valley has no new snow forecast in the next 48 hours.
Biwako Valley Daily Weather Forecast Detail
| Base | Snow and Weather | Temp Town | |
|---|---|---|---|
| Sat 21 |  | Fair. | Max 28℃ Min 23℃ |
| Sun 22 | | Clear spells. | Max 30℃ Min 18℃ |
| Mon 23 | | Fair. | Max 21℃ Min 18℃ |
| Tue 24 |  | Cloudy. | Max 25℃ Min 21℃ |
| Wed 25 |  | Light rain. | Max 26℃ Min 21℃ |
| Thu 26 | | Clear spells at altitude, cloudy below. | Max 25℃ Min 21℃ |
| Fri 27 | | Cloudy. | Max 27℃ Min 23℃ |
| Sat 28 | | Cloudy. | Max 24℃ Min 17℃ |
| Sun 29 | | Cloudy at altitude, clear spells below. | Max 23℃ Min 18℃ |
| Mon 30 | | Light snow at altitude, light rain below. | Max 25℃ Min 18℃ |
| Tue 01 |  | Clear sky. | Max 26℃ Min 17℃ |
| Wed 02 | | Clear sky. | Max 25℃ Min 16℃ |
| Thu 03 | | Clear sky. | Max 24℃ Min 15℃ |
| Fri 04 | | Clear sky. | Max 25℃ Min 17℃ |
| Sat 05 | | Clear sky. | Max 27℃ Min 19℃ |
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 06:31 AEST, next update expected 12:00 AEST.
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 .
More Weather Forecasts
Snow Forecasts for 34 more African, Asian and European countries...