Biwako Valley 48-Hour Snow Forecast
Updated 22 May 2026 16:41 BST
2-Day Forecast for Biwako Valley
48-hours from 22 May.
See below for forecast detail
Biwako Valley Snow Forecast updated at 16:41 BST, next update expected imminently.
Forecast for today in Biwako Valley
Max 15℃ 60°F
Min 12℃ 54°F
Valley temperatures from an overnight low of 12℃ 54°F to daytime highs around 15℃ 60°F
Temperature at BaseTemp at Base
Fri
22
Snow unlikely
Light drizzle, cloudy, fair later.
Forecast times for Biwako Valley are in Tokyo (Asia/Tokyo) time zone.
Forecast for tomorrow in Biwako Valley
Max 19℃ 65°F
Min 12℃ 54°F
Valley temperatures from an overnight low of 12℃ 54°F to daytime highs around 19℃ 65°F
Temperature at BaseTemp at Base
Sat
23
Snow unlikely
Cloudy, clear spells, rain showers 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? | |||
|---|---|---|---|---|---|---|---|
| Fri | 09:00 |  | Clear spells at altitude. Lt drizzle below. | 15℃ 60°F | W Light | -125% | |
| Fri | 10:00 | | Light drizzle. | 14℃ 58°F | W Light | -125% | |
| Fri | 11:00 | | Light drizzle. | 15℃ 59°F | W Light | -125% | |
| Fri | 12:00 | | Light snow at altitude. Lt drizzle below. | 15℃ 58°F | W Light | -125% | |
| Fri | 13:00 | | Cloudy. | 14℃ 57°F | W Light | -125% | |
| Fri | 14:00 | | Light drizzle. | 14℃ 57°F | W Light | -125% | |
| Fri | 15:00 | | Light drizzle. | 13℃ 56°F | W Light | -125% | |
| Fri | 16:00 | | Cloudy. | 13℃ 55°F | W Light | -125% | |
| Fri | 17:00 | | Light snow at altitude. Lt rain below. | 13℃ 55°F | W Light | -125% | |
| Fri | 18:00 | | Light snow at altitude. Lt rain below. | 13℃ 55°F | W Light | -125% | |
| Fri | 19:00 | | Cloudy. | 13℃ 55°F | W Calm | -125% | |
| Fri | 20:00 | | Clear spells at altitude. Cloud below. | 13℃ 55°F | W Light | -125% | |
| Fri | 21:00 | | Clear spells. | 12℃ 54°F | W Light | -125% | |
| Fri | 22:00 | | Fair. | 12℃ 54°F | W Light | -125% | |
| Fri | 23:00 | | Clear sky at altitude. Fair below. | 13℃ 55°F | W Light | -125% | |
| Sat | 00:00 | | Fair. | 13℃ 54°F | SW Light | -125% | |
| Sat | 01:00 | | Fair at altitude. Mixed below. | 12℃ 54°F | SW Light | -125% | |
| Sat | 02:00 | | Clear spells. | 13℃ 56°F | SW Light | -125% | |
| Sat | 03:00 | | Clear spells. | 13℃ 55°F | SW Light | -125% | |
| Sat | 04:00 | | Clear spells. | 13℃ 55°F | SW Light | -125% | |
| Sat | 05:00 | | Clear spells at altitude. Fair below. | 13℃ 55°F | SW Light | -125% | |
| Sat | 06:00 | | Fair. | 12℃ 54°F | SW Light | -125% | |
| Sat | 07:00 | | Fair. | 14℃ 56°F | SW Light | -125% | |
| Sat | 08:00 | | Fair. | 15℃ 59°F | SW Calm | -125% | |
| Sat | 09:00 | | Clear spells. | 16℃ 61°F | SW Calm | -125% | |
| Sat | 10:00 | | Clear spells. | 17℃ 63°F | SW Light | -125% | |
| Sat | 11:00 | | Cloudy. | 18℃ 65°F | SW Light | -125% | |
| Sat | 12:00 | | Cloudy. | 19℃ 65°F | SW Light | -125% | |
| Sat | 13:00 | | Cloudy. | 19℃ 65°F | SW Light | -125% | |
| Sat | 14:00 | | Clear spells. | 18℃ 65°F | SW Light | -125% | |
| Sat | 15:00 | | Clear spells. | 18℃ 64°F | SW Light | -125% | |
| Sat | 16:00 | | Clear spells. | 17℃ 63°F | SW Light | -125% | |
| Sat | 17:00 | | Clear spells. | 17℃ 63°F | SW Light | -125% | |
| Sat | 18:00 | | Clear spells. | 16℃ 62°F | SW Light | -125% | |
| Sat | 19:00 | | Clear spells at altitude. Cloud below. | 16℃ 61°F | SW Light | -125% | |
| Sat | 20:00 | | Clear spells. | 16℃ 60°F | SW Light | -125% | |
| Sat | 21:00 | | Clear spells. | 16℃ 60°F | SW Breeze | -125% | |
| Sat | 22:00 | | Fair. | 15℃ 59°F | SW Breeze | -125% | |
| Sat | 23:00 | | Fair. | 15℃ 60°F | SW Breeze | -125% | |
| Sun | 00:00 | | Clear spells. | 15℃ 59°F | SW Breeze | -125% | |
| Sun | 01:00 | | Cloudy. | 15℃ 59°F | SW Breeze | -125% | |
| Sun | 02:00 | | Light drizzle. | 14℃ 57°F | SW Breeze | -125% | |
| Sun | 03:00 | | Drizzle. | 13℃ 55°F | SW Light | -125% | |
| Sun | 04:00 |  | Rain. | 12℃ 53°F | SW Breeze | -125% | |
| Sun | 05:00 | | Rain. | 12℃ 53°F | SW Light | -125% | |
| Sun | 06:00 | | Light snow at altitude. Rain below. | 12℃ 54°F | SW Breeze | -125% | |
| Sun | 07:00 | | Light drizzle. | 13℃ 56°F | SW Breeze | -125% | |
| Sun | 08:00 | | Fair at altitude. Mixed below. | 13℃ 56°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 piste 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.