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 16 days from 19 June.
Updated 19 June 2025 14:32 NZST.
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 14:32 NZST, 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 | |
|---|---|---|---|
| Thu 19 |  | Fair. | Max 25℃ Min 18℃ |
| Fri 20 | | Fair. | Max 26℃ Min 22℃ |
| Sat 21 | | Fair. | Max 28℃ Min 21℃ |
| Sun 22 |  | Light rain. | Max 25℃ Min 21℃ |
| Mon 23 |  | Fog. | Max 24℃ Min 21℃ |
| Tue 24 |  | Cloudy. | Max 26℃ Min 22℃ |
| Wed 25 | | Cloudy at altitude, fog below. | Max 24℃ Min 21℃ |
| Thu 26 | | Light snow at altitude, light rain below. | Max 22℃ Min 17℃ |
| Fri 27 | | Snow showers at altitude, rain showers below. | Max 19℃ Min 16℃ |
| Sat 28 | | Cloudy. | Max 23℃ Min 16℃ |
| Sun 29 |  | Light snow at altitude, light rain showers below. | Max 23℃ Min 18℃ |
| Mon 30 |  | Clear sky. | Max 27℃ Min 19℃ |
| Tue 01 | | Rain showers. | Max 27℃ Min 19℃ |
| Wed 02 |  | Light drizzle. | Max 24℃ Min 19℃ |
| Thu 03 | | Light snow at altitude, light rain below. | Max 25℃ Min 19℃ |
| Fri 04 | | Cloudy at altitude, light drizzle below. | Max 27℃ Min 20℃ |
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 14:32 NZST, 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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