Biwako Valley 48-Hour Snow Forecast
Updated 30 October 2026 20:46 PDT
2-Day Forecast for Biwako Valley
48-hours from 31 October.
See below for forecast detail
Biwako Valley Snow Forecast updated at 20:46 PDT, next update expected imminently.
Forecast for today in Biwako Valley
Max 55°F
Min 45°F
Valley temperatures from an overnight low of 45°F to daytime highs around 55°F
Temperature at BaseTemp at Base
Sat
31
Snow unlikely
Clear sky first, light drizzle then light rain, clear spells later.
Forecast times for Biwako Valley are in Tokyo (Asia/Tokyo) time zone.
Forecast for tomorrow in Biwako Valley
Max 50°F
Min 44°F
Valley temperatures from an overnight low of 44°F to daytime highs around 50°F
Temperature at BaseTemp at Base
Sun
01
Snow unlikely
Fair, clear spells, fair later.
Forecast times for Biwako Valley are in Tokyo (Asia/Tokyo) time zone.
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48-hour Forecast Detail
| Base | Snow to | Weather | Temp Town | Rain or Snow? | |||
|---|---|---|---|---|---|---|---|
| Sat | 09:00 | | Light snow at altitude. Lt rain below. | 50°F | NW Light | -125% | |
| Sat | 10:00 |  | Clear sky. | 53°F | NW Light | -125% | |
| Sat | 11:00 | | Clear sky. | 55°F | NW Light | -125% | |
| Sat | 12:00 | | Clear sky. | 55°F | NW Light | -125% | |
| Sat | 13:00 | | Fair at altitude. Lt drizzle below. | 54°F | NW Light | -125% | |
| Sat | 14:00 | | Light drizzle. | 53°F | NW Light | -125% | |
| Sat | 15:00 | | Light drizzle. | 54°F | NW Light | -125% | |
| Sat | 16:00 | | Fair at altitude. Lt drizzle below. | 52°F | NW Light | -125% | |
| Sat | 17:00 | | Light snow at altitude. Drizzle below. | 48°F | NW Light | -125% | |
| Sat | 18:00 | | Snow at altitude. Lt rain below. | 48°F | NW Light | -125% | |
| Sat | 19:00 | | Rain. | 47°F | NW Light | -125% | |
| Sat | 20:00 | | Rain. | 47°F | NW Light | -125% | |
| Sat | 21:00 | | Rain. | 46°F | NW Light | -125% | |
| Sat | 22:00 | | Snow at altitude. Lt rain below. | 45°F | NW Light | -125% | |
| Sat | 23:00 | | Light rain. | 45°F | NW Light | -125% | |
| Sun | 00:00 |  | Light snow at altitude. Hvy drizzle below. | 44°F | SW Light | -125% | |
| Sun | 01:00 | | Light drizzle. | 44°F | SW Light | -125% | |
| Sun | 02:00 | | Light drizzle. | 44°F | SW Light | -125% | |
| Sun | 03:00 |  | Cloudy. | 44°F | SW Light | -125% | |
| Sun | 04:00 | | Cloudy at altitude. Mixed below. | 44°F | SW Light | -125% | |
| Sun | 05:00 | | Cloudy at altitude. Mixed below. | 44°F | SW Light | -125% | |
| Sun | 06:00 | | Fair at altitude. Mixed below. | 44°F | SW Light | -125% | |
| Sun | 07:00 | | Fair at altitude. Mixed below. | 44°F | SW Light | -125% | |
| Sun | 08:00 | | Clear spells. | 45°F | SW Light | -125% | |
| Sun | 09:00 | | Clear spells at altitude. Cloud below. | 47°F | SW Light | -125% | |
| Sun | 10:00 | | Fair. | 49°F | SW Light | -125% | |
| Sun | 11:00 | | Fair. | 49°F | SW Light | -125% | |
| Sun | 12:00 | | Fair. | 50°F | SW Light | -125% | |
| Sun | 13:00 | | Fair. | 50°F | SW Light | -125% | |
| Sun | 14:00 | | Fair. | 49°F | SW Light | -125% | |
| Sun | 15:00 | | Clear spells. | 49°F | SW Light | -125% | |
| Sun | 16:00 | | Clear spells at altitude. Fair below. | 47°F | SW Light | -125% | |
| Sun | 17:00 | | Clear spells. | 46°F | SW Light | -125% | |
| Sun | 18:00 | | Fair. | 46°F | SW Light | -125% | |
| Sun | 19:00 | | Clear spells. | 47°F | SW Light | -125% | |
| Sun | 20:00 | | Fair. | 49°F | SW Light | -125% | |
| Sun | 21:00 | | Clear spells. | 49°F | SW Light | -125% | |
| Sun | 22:00 | | Fair. | 47°F | SW Light | -125% | |
| Sun | 23:00 | | Fair. | 48°F | SW Light | -125% | |
| Mon | 00:00 | | Fair. | 50°F | SW Light | -125% | |
| Mon | 01:00 | | Fair. | 52°F | SW Light | -125% | |
| Mon | 02:00 | | Fair. | 53°F | SW Light | -125% | |
| Mon | 03:00 | | Fair. | 53°F | SW Light | -125% | |
| Mon | 04:00 | | Fair. | 53°F | SW Light | -125% | |
| Mon | 05:00 | | Fair. | 52°F | SW Light | -125% | |
| Mon | 06:00 | | Fair. | 53°F | SW Light | -125% | |
| Mon | 07:00 | | Clear spells. | 53°F | SW Light | -125% | |
| Mon | 08:00 | | Clear spells. | 53°F | SW Light | -125% | |
Snow Forecast near Biwako Valley
Snow forecasts for nearby ski areas.
| Ski Area | 48 Hr | 7 Day | Sa | Su | Mo | Tu | We | Th | Fr |
|---|---|---|---|---|---|---|---|---|---|
| Myoko Suginohara | - | 7in | |||||||
| Tsugaike Kogen | - | 6in | |||||||
| Happo One | - | 1in | |||||||
| Hakuba 47 | - | - |
Biwako Valley Snow
For current snow depths and skiing conditions, see our Current Snow Report for Biwako Valley.
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.
How reliable is the snow in Biwako Valley?
Biwako Valley typically sees a snow depth of around 1 to 2 meters throughout the season, with reliable snowfall from December to March. For the latest snow conditions, check updates on J2Ski.