Biwako Valley 48-Hour Snow Forecast
Updated 31 August 2026 08:43 PDT
2-Day Forecast for Biwako Valley
48-hours from 31 August.
See below for forecast detail
Biwako Valley Snow Forecast updated at 08:43 PDT, next update expected 14:00 PDT.
Forecast for today in Biwako Valley
Max 75°F
Min 69°F
Valley temperatures from an overnight low of 69°F to daytime highs around 75°F
Temperature at BaseTemp at Base
Mon
31
Snow unlikely
Fair, clear sky, fair later.
Forecast times for Biwako Valley are in Tokyo (Asia/Tokyo) time zone.
Forecast for tomorrow in Biwako Valley
Max 78°F
Min 70°F
Valley temperatures from an overnight low of 70°F to daytime highs around 78°F
Temperature at BaseTemp at Base
Tue
01
Snow unlikely
Fair, light drizzle, fair later.
Forecast times for Biwako Valley are in Tokyo (Asia/Tokyo) time zone.
48-hour Forecast Detail
| Base | Snow to | Weather | Temp Town | Rain or Snow? | |||
|---|---|---|---|---|---|---|---|
| Mon | 09:00 | ![]() | Fair. | 73°F | SW Light | -125% | |
| Mon | 10:00 | ![]() | Fair. | 75°F | SW Light | -125% | |
| Mon | 11:00 | ![]() | Fair. | 75°F | SW Light | -125% | |
| Mon | 12:00 | ![]() | Light drizzle. | 73°F | SW Light | -125% | |
| Mon | 13:00 | ![]() | Rain. | 72°F | SW Light | -125% | |
| Mon | 14:00 | ![]() | Rain. | 72°F | SW Light | -125% | |
| Mon | 15:00 | ![]() | Light snow at altitude. Lt rain below. | 73°F | SW Light | -125% | |
| Mon | 16:00 | ![]() | Light snow at altitude. Lt rain below. | 74°F | SW Light | -125% | |
| Mon | 17:00 | ![]() | Light snow at altitude. Lt rain below. | 72°F | SW Light | -125% | |
| Mon | 18:00 | ![]() | Light snow at altitude. Lt rain below. | 71°F | SW Light | -125% | |
| Mon | 19:00 | ![]() | Light snow at altitude. Lt rain below. | 69°F | SW Light | -125% | |
| Mon | 20:00 | ![]() | Light snow at altitude. Lt rain below. | 69°F | SW Light | -125% | |
| Mon | 21:00 | ![]() | Fair. | 71°F | SW Light | -125% | |
| Mon | 22:00 | ![]() | Fair. | 72°F | SW Light | -125% | |
| Mon | 23:00 | ![]() | Clear sky. | 73°F | SW Light | -125% | |
| Tue | 00:00 | ![]() | Clear sky. | 73°F | SE Light | -125% | |
| Tue | 01:00 | ![]() | Clear sky. | 73°F | SE Light | -125% | |
| Tue | 02:00 | ![]() | Clear sky. | 72°F | SE Light | -125% | |
| Tue | 03:00 | ![]() | Clear sky. | 72°F | SE Light | -125% | |
| Tue | 04:00 | ![]() | Clear sky. | 72°F | SE Light | -125% | |
| Tue | 05:00 | ![]() | Clear sky. | 72°F | SE Light | -125% | |
| Tue | 06:00 | ![]() | Fair. | 72°F | SE Light | -125% | |
| Tue | 07:00 | ![]() | Fair. | 74°F | SE Light | -125% | |
| Tue | 08:00 | ![]() | Fair. | 75°F | SE Light | -125% | |
| Tue | 09:00 | ![]() | Fair. | 76°F | SE Light | -125% | |
| Tue | 10:00 | ![]() | Fair. | 77°F | SE Light | -125% | |
| Tue | 11:00 | ![]() | Fair. | 77°F | SE Light | -125% | |
| Tue | 12:00 | ![]() | Light snow at altitude. Lt rain below. | 78°F | SE Light | -125% | |
| Tue | 13:00 | ![]() | Light snow at altitude. Lt drizzle below. | 77°F | SE Light | -125% | |
| Tue | 14:00 | ![]() | Light snow at altitude. Lt drizzle below. | 76°F | SE Light | -125% | |
| Tue | 15:00 | ![]() | Heavy snow showers at altitude. Lt drizzle below. | 75°F | SE Light | -125% | |
| Tue | 16:00 | ![]() | Light snow at altitude. Lt drizzle below. | 74°F | SE Light | -125% | |
| Tue | 17:00 | ![]() | Light snow at altitude. Lt drizzle below. | 73°F | SE Light | -125% | |
| Tue | 18:00 | ![]() | Light snow at altitude. Lt drizzle below. | 71°F | SE Light | -125% | |
| Tue | 19:00 | ![]() | Light snow at altitude. Lt rain below. | 70°F | SE Light | -125% | |
| Tue | 20:00 | ![]() | Light snow at altitude. Lt rain below. | 70°F | SE Light | -125% | |
| Tue | 21:00 | ![]() | Fair. | 71°F | SE Light | -125% | |
| Tue | 22:00 | ![]() | Fair. | 71°F | SE Light | -125% | |
| Tue | 23:00 | ![]() | Fair. | 72°F | SE Light | -125% | |
| Wed | 00:00 | ![]() | Fair. | 72°F | SW Light | -125% | |
| Wed | 01:00 | ![]() | Clear sky. | 72°F | SW Light | -125% | |
| Wed | 02:00 | ![]() | Clear sky. | 72°F | SW Light | -125% | |
| Wed | 03:00 | ![]() | Clear sky. | 72°F | SW Light | -125% | |
| Wed | 04:00 | ![]() | Fair. | 72°F | SW Light | -125% | |
| Wed | 05:00 | ![]() | Fair. | 71°F | SW Light | -125% | |
| Wed | 06:00 | ![]() | Clear sky at altitude. Fair below. | 71°F | SW Light | -125% | |
| Wed | 07:00 | ![]() | Fair. | 72°F | SW Light | -125% | |
| Wed | 08:00 | ![]() | Fair. | 74°F | SW Light | -125% | |
Snow Forecast near Biwako Valley
Snow forecasts for nearby ski areas.
Snow Forecasts for other Ski Resorts near Biwako Valley are not available.
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.




