Biwako Valley 48-Hour Snow Forecast
Updated 22 May 2026 20:42 PDT
2-Day Forecast for Biwako Valley
48-hours from 23 May.
See below for forecast detail
Biwako Valley Snow Forecast updated at 20:42 PDT, next update expected 02:00 PDT.
Forecast for today in Biwako Valley
Max 66°F
Min 60°F
Valley temperatures from an overnight low of 60°F to daytime highs around 66°F
Temperature at BaseTemp at Base
Sat
23
Snow unlikely
Cloudy first, clear spells then cloudy, rain showers later.
Forecast times for Biwako Valley are in Tokyo (Asia/Tokyo) time zone.
Forecast for tomorrow in Biwako Valley
Max 63°F
Min 54°F
Valley temperatures from an overnight low of 54°F to daytime highs around 63°F
Temperature at BaseTemp at Base
Sun
24
Snow unlikely
Clear spells early, then clear sky later.
Forecast times for Biwako Valley are in Tokyo (Asia/Tokyo) time zone.
Partner Offers
48-hour Forecast Detail
| Base | Snow to | Weather | Temp Town | Rain or Snow? | |||
|---|---|---|---|---|---|---|---|
| Sat | 09:00 | | Cloudy. | 61°F | S Light | -125% | |
| Sat | 10:00 | | Cloudy. | 63°F | S Calm | -125% | |
| Sat | 11:00 | | Fair. | 65°F | S Calm | -125% | |
| Sat | 12:00 | | Cloudy. | 65°F | S Calm | -125% | |
| Sat | 13:00 | | Cloudy. | 66°F | S Light | -125% | |
| Sat | 14:00 | | Clear spells. | 66°F | S Light | -125% | |
| Sat | 15:00 | | Clear spells. | 66°F | S Light | -125% | |
| Sat | 16:00 | | Clear spells. | 65°F | S Light | -125% | |
| Sat | 17:00 | | Clear spells. | 63°F | S Light | -125% | |
| Sat | 18:00 | | Clear spells. | 62°F | S Light | -125% | |
| Sat | 19:00 | | Clear spells. | 61°F | S Light | -125% | |
| Sat | 20:00 | | Fair. | 61°F | S Light | -125% | |
| Sat | 21:00 | | Fair. | 60°F | S Light | -125% | |
| Sat | 22:00 | | Fair. | 60°F | S Breeze | -125% | |
| Sat | 23:00 | | Cloudy. | 60°F | S Breeze | -125% | |
| Sun | 00:00 | | Cloudy. | 60°F | SW Breeze | -125% | |
| Sun | 01:00 | | Cloudy. | 59°F | SW Breeze | -125% | |
| Sun | 02:00 | | Fair at altitude. Mixed below. | 58°F | SW Breeze | -125% | |
| Sun | 03:00 |  | Light drizzle. | 56°F | SW Light | -125% | |
| Sun | 04:00 | | Drizzle. | 54°F | SW Breeze | -125% | |
| Sun | 05:00 |  | Light rain. | 54°F | SW Breeze | -125% | |
| Sun | 06:00 | | Light snow at altitude. Drizzle below. | 55°F | SW Breeze | -125% | |
| Sun | 07:00 |  | Light snow at altitude. Hvy drizzle below. | 56°F | SW Breeze | -125% | |
| Sun | 08:00 | | Light drizzle. | 57°F | SW Light | -125% | |
| Sun | 09:00 | | Fair at altitude. Mixed below. | 57°F | SW Light | -125% | |
| Sun | 10:00 | | Clear spells. | 58°F | SW Light | -125% | |
| Sun | 11:00 | | Fair. | 62°F | SW Light | -125% | |
| Sun | 12:00 | | Clear spells at altitude. Fair below. | 63°F | SW Light | -125% | |
| Sun | 13:00 | | Clear spells. | 63°F | SW Light | -125% | |
| Sun | 14:00 | | Clear spells. | 62°F | SW Light | -125% | |
| Sun | 15:00 | | Cloudy. | 61°F | SW Light | -125% | |
| Sun | 16:00 | | Cloudy at altitude. Mixed below. | 60°F | SW Light | -125% | |
| Sun | 17:00 | | Cloudy at altitude. Mixed below. | 60°F | SW Light | -125% | |
| Sun | 18:00 | | Fair. | 59°F | SW Light | -125% | |
| Sun | 19:00 | | Fair. | 57°F | SW Light | -125% | |
| Sun | 20:00 | | Fair at altitude. Mixed below. | 56°F | SW Light | -125% | |
| Sun | 21:00 | | Fair. | 56°F | SW Light | -125% | |
| Sun | 22:00 | | Clear sky at altitude. Fair below. | 54°F | SW Light | -125% | |
| Sun | 23:00 | | Clear sky. | 54°F | SW Light | -125% | |
| Mon | 00:00 | | Clear sky. | 56°F | SE Light | -125% | |
| Mon | 01:00 | | Clear sky. | 56°F | SE Light | -125% | |
| Mon | 02:00 | | Clear sky. | 55°F | SE Light | -125% | |
| Mon | 03:00 | | Clear sky. | 55°F | SE Light | -125% | |
| Mon | 04:00 | | Clear sky. | 53°F | SE Light | -125% | |
| Mon | 05:00 | | Clear sky. | 52°F | SE Light | -125% | |
| Mon | 06:00 | | Clear sky. | 55°F | SE Light | -125% | |
| Mon | 07:00 | | Clear sky at altitude. Fair below. | 58°F | SE Light | -125% | |
| Mon | 08:00 | | Clear sky. | 60°F | SE 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.