Biwako Valley 48-Hour Snow Forecast
Updated 02 May 2026 09:41 PDT
2-Day Forecast for Biwako Valley
48-hours from 2 May.
See below for forecast detail
Biwako Valley Snow Forecast updated at 09:41 PDT, next update expected 15:00 PDT.
Forecast for today in Biwako Valley
Max 58°F
Min 47°F
Valley temperatures from an overnight low of 47°F to daytime highs around 58°F
Temperature at BaseTemp at Base
Sat
02
Snow unlikely
Clear sky early, then cloudy later.
Forecast times for Biwako Valley are in Tokyo (Asia/Tokyo) time zone.
Forecast for tomorrow in Biwako Valley
Max 65°F
Min 49°F
Valley temperatures from an overnight low of 49°F to daytime highs around 65°F
Temperature at BaseTemp at Base
Sun
03
Snow unlikely
Clear spells, rain showers, 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 | | Clear sky. | 53°F | W Light | -125% | |
| Sat | 10:00 | | Clear sky. | 56°F | W Light | -125% | |
| Sat | 11:00 | | Clear sky. | 58°F | W Light | -125% | |
| Sat | 12:00 | | Clear sky. | 58°F | W Breeze | -125% | |
| Sat | 13:00 | | Clear sky. | 57°F | W Light | -125% | |
| Sat | 14:00 | | Clear sky. | 56°F | W Light | -125% | |
| Sat | 15:00 | | Clear sky. | 54°F | W Light | -125% | |
| Sat | 16:00 | | Clear sky. | 55°F | W Light | -125% | |
| Sat | 17:00 |  | Fair. | 54°F | W Light | -125% | |
| Sat | 18:00 | | Clear sky. | 52°F | W Light | -125% | |
| Sat | 19:00 | | Cloudy at altitude. Mixed below. | 49°F | W Light | -125% | |
| Sat | 20:00 | | Clear sky. | 47°F | W Light | -125% | |
| Sat | 21:00 | | Clear sky. | 48°F | W Light | -125% | |
| Sat | 22:00 | | Clear sky. | 48°F | W Light | -125% | |
| Sat | 23:00 | | Clear sky. | 48°F | W Light | -125% | |
| Sun | 00:00 | | Fair. | 49°F | S Light | -125% | |
| Sun | 01:00 | | Clear spells. | 50°F | S Light | -125% | |
| Sun | 02:00 | | Clear spells. | 51°F | S Light | -125% | |
| Sun | 03:00 | | Clear spells. | 53°F | S Light | -125% | |
| Sun | 04:00 | | Fair. | 53°F | S Light | -125% | |
| Sun | 05:00 |  | Cloudy. | 53°F | S Light | -125% | |
| Sun | 06:00 | | Clear spells. | 52°F | S Light | -125% | |
| Sun | 07:00 | | Cloudy. | 54°F | S Light | -125% | |
| Sun | 08:00 | | Cloudy. | 58°F | S Light | -125% | |
| Sun | 09:00 | | Fair. | 61°F | S Light | -125% | |
| Sun | 10:00 | | Clear spells. | 65°F | S Light | -125% | |
| Sun | 11:00 | | Clear spells. | 62°F | S Light | -125% | |
| Sun | 12:00 | | Clear spells. | 61°F | S Light | -125% | |
| Sun | 13:00 | | Cloudy. | 61°F | S Light | -125% | |
| Sun | 14:00 | | Clear spells. | 61°F | S Light | -125% | |
| Sun | 15:00 | | Clear spells. | 62°F | S Light | -125% | |
| Sun | 16:00 |  | Light snow at altitude. Lt drizzle below. | 57°F | S Light | -125% | |
| Sun | 17:00 | | Heavy snow showers at altitude. Drizzle below. | 54°F | S Breeze | -125% | |
| Sun | 18:00 |  | Light rain. | 52°F | S Breeze | -125% | |
| Sun | 19:00 | | Light rain. | 51°F | S Breeze | -125% | |
| Sun | 20:00 |  | Heavy drizzle. | 54°F | S Breeze | -125% | |
| Sun | 21:00 | | Heavy snow showers at altitude. Drizzle below. | 56°F | S Breeze | -125% | |
| Sun | 22:00 | | Light snow at altitude. Hvy drizzle below. | 57°F | S Breeze | -125% | |
| Sun | 23:00 | | Light snow at altitude. Drizzle below. | 58°F | S Breeze | -125% | |
| Mon | 00:00 | | Light rain. | 57°F | SW Breeze | -125% | |
| Mon | 01:00 | | Snow at altitude. Lt rain below. | 55°F | SW Breeze | -125% | |
| Mon | 02:00 | | Rain. | 53°F | SW Light | -125% | |
| Mon | 03:00 | | Rain. | 53°F | SW Light | -125% | |
| Mon | 04:00 | | Light snow at altitude. Drizzle below. | 53°F | SW Light | -125% | |
| Mon | 05:00 | | Clear spells. | 52°F | SW Light | -125% | |
| Mon | 06:00 | | Fair at altitude. Mixed below. | 53°F | SW Light | -125% | |
| Mon | 07:00 | | Fair. | 54°F | SW Light | -125% | |
| Mon | 08:00 | | Fair at altitude. Mixed below. | 54°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 |
|---|---|---|---|---|---|---|---|---|---|
| Happo One | 1in | 2in | |||||||
| Myoko Suginohara | - | 2in | |||||||
| Tsugaike Kogen | - | 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.
Snow Reliability
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.