Biwako Valley 48-Hour Snow Forecast
Updated 16 July 2026 08:40 PDT
2-Day Forecast for Biwako Valley
48-hours from 16 July.
See below for forecast detail
Biwako Valley Snow Forecast updated at 08:40 PDT, next update expected 14:00 PDT.
Forecast for today in Biwako Valley
Max 74°F
Min 68°F
Valley temperatures from an overnight low of 68°F to daytime highs around 74°F
Temperature at BaseTemp at Base
Thu
16
Snow unlikely
Fair early, then clear spells later.
Forecast times for Biwako Valley are in Tokyo (Asia/Tokyo) time zone.
Forecast for tomorrow in Biwako Valley
Max 75°F
Min 66°F
Valley temperatures from an overnight low of 66°F to daytime highs around 75°F
Temperature at BaseTemp at Base
Fri
17
Snow unlikely
Rain showers first, cloudy then clear spells, 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? | |||
|---|---|---|---|---|---|---|---|
| Thu | 09:00 | | Fair. | 74°F | SW Light | -125% | |
| Thu | 10:00 | | Fair. | 74°F | SW Light | -125% | |
| Thu | 11:00 | | Fair. | 74°F | SW Light | -125% | |
| Thu | 12:00 | | Clear spells. | 74°F | SW Light | -125% | |
| Thu | 13:00 | | Cloudy. | 72°F | SW Light | -125% | |
| Thu | 14:00 | | Fair. | 72°F | SW Light | -125% | |
| Thu | 15:00 | | Fair. | 74°F | SW Light | -125% | |
| Thu | 16:00 | | Fair. | 73°F | SW Light | -125% | |
| Thu | 17:00 |  | Fair at altitude. Clear below. | 73°F | SW Light | -125% | |
| Thu | 18:00 | | Fair. | 72°F | SW Light | -125% | |
| Thu | 19:00 | | Fair at altitude. Clear below. | 70°F | SW Light | -125% | |
| Thu | 20:00 | | Fair at altitude. Clear below. | 69°F | SW Light | -125% | |
| Thu | 21:00 | | Fair. | 68°F | SW Calm | -125% | |
| Thu | 22:00 | | Fair. | 69°F | SW Light | -125% | |
| Thu | 23:00 | | Clear sky. | 68°F | SW Light | -125% | |
| Fri | 00:00 | | Fair. | 69°F | SW Light | -125% | |
| Fri | 01:00 | | Fair. | 68°F | SW Light | -125% | |
| Fri | 02:00 | | Fair. | 68°F | SW Light | -125% | |
| Fri | 03:00 | | Fair. | 67°F | SW Light | -125% | |
| Fri | 04:00 | | Fair. | 69°F | SW Light | -125% | |
| Fri | 05:00 | | Fair. | 66°F | SW Light | -125% | |
| Fri | 06:00 | | Cloudy. | 67°F | SW Light | -125% | |
| Fri | 07:00 | | Clear spells. | 70°F | SW Light | -125% | |
| Fri | 08:00 | | Clear spells. | 71°F | SW Calm | -125% | |
| Fri | 09:00 | | Clear spells. | 73°F | SW Light | -125% | |
| Fri | 10:00 | | Light snow at altitude. Lt rain below. | 73°F | SW Light | -125% | |
| Fri | 11:00 | | Light snow at altitude. Lt rain below. | 74°F | SW Light | -125% | |
| Fri | 12:00 |  | Light snow at altitude. Lt drizzle below. | 74°F | SW Light | -125% | |
| Fri | 13:00 | | Light snow at altitude. Lt drizzle below. | 74°F | SW Light | -125% | |
| Fri | 14:00 | | Heavy snow showers at altitude. Lt drizzle below. | 75°F | SW Light | -125% | |
| Fri | 15:00 | | Light snow at altitude. Lt drizzle below. | 74°F | SW Light | -125% | |
| Fri | 16:00 | | Light snow at altitude. Lt rain below. | 75°F | SW Calm | -125% | |
| Fri | 17:00 | | Cloudy. | 73°F | SW Light | -125% | |
| Fri | 18:00 | | Clear spells. | 72°F | SW Light | -125% | |
| Fri | 19:00 | | Cloudy. | 71°F | SW Light | -125% | |
| Fri | 20:00 | | Cloudy. | 71°F | SW Light | -125% | |
| Fri | 21:00 | | Light snow at altitude. Lt rain below. | 71°F | SW Light | -125% | |
| Fri | 22:00 | | Light drizzle. | 72°F | SW Calm | -125% | |
| Fri | 23:00 | | Light drizzle. | 70°F | SW Light | -125% | |
| Sat | 00:00 | | Clear spells. | 70°F | SW Light | -125% | |
| Sat | 01:00 | | Clear spells. | 70°F | SW Light | -125% | |
| Sat | 02:00 | | Clear spells. | 70°F | SW Light | -125% | |
| Sat | 03:00 | | Light snow at altitude. Drizzle below. | 70°F | SW Light | -125% | |
| Sat | 04:00 |  | Light snow at altitude. Hvy drizzle below. | 69°F | SW Light | -125% | |
| Sat | 05:00 | | Light drizzle. | 70°F | SW Light | -125% | |
| Sat | 06:00 | | Fair. | 70°F | SW Light | -125% | |
| Sat | 07:00 | | Fair. | 71°F | SW Light | -125% | |
| Sat | 08:00 | | Fair. | 73°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.