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 31 May.
Updated 30 May 2025 11:39 CDT.
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 11:39 CDT, next update expected imminently.
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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 31 |  | Rain showers. | Max 12℃ Min 10℃ |
| Sun 01 |  | Clear sky. | Max 16℃ Min 8℃ |
| Mon 02 |  | Cloudy. | Max 19℃ Min 14℃ |
| Tue 03 | | Light snow at altitude, light rain below. | Max 16℃ Min 12℃ |
| Wed 04 | | Fair at altitude, clear sky below. | Max 18℃ Min 12℃ |
| Thu 05 | | Fair at altitude, cloudy below. | Max 20℃ Min 14℃ |
| Fri 06 |  | Clear spells. | Max 22℃ Min 15℃ |
| Sat 07 | | Cloudy. | Max 23℃ Min 14℃ |
| Sun 08 | | Cloudy. | Max 22℃ Min 15℃ |
| Mon 09 |  | Heavy snow showers at altitude, drizzle below. | Max 15℃ Min 12℃ |
| Tue 10 | | Cloudy. | Max 21℃ Min 16℃ |
| Wed 11 | | Light snow at altitude, light rain below. | Max 27℃ Min 18℃ |
| Thu 12 | | Cloudy. | Max 24℃ Min 17℃ |
| Fri 13 | | Cloudy at altitude, light drizzle below. | Max 19℃ Min 15℃ |
| Sat 14 | | Cloudy at altitude, fair below. | Max 24℃ 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 11:39 CDT, 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 .
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