Biwako Valley Snow Forecast - 7 day
Updated 11 June 2026 22:43 BST
7-Day Snow Forecast for Biwako Valley
1-week from 11 June.
For Forecast detail, see below.
J2Ski - Sign In for a long-range snow forecast, with more weather detail.
Biwako Valley 7-Day Snow Forecast Highlights
When will there be fresh snow in Biwako Valley?
| Next Snow? | |
|---|---|
| There is no snow currently in the forecast for Biwako Valley. |
7-Day Snow Outlook for Biwako Valley
Snowfall
Snow Line
Max 21℃ 70°F
Min 10℃ 50°F
Snow unlikely
J2Ski - Sign In for a long-range snow forecast, with more weather detail.
Biwako Valley Medium-Range (7-Day) Snow Forecast Detail
Note :- Mountain weather is extremely dynamic; the forecast below will change. Any forecast snow may move forward or back in the forecast, and predicted snowfall depths will be revised in subsequent updates.
Max 18℃ 64°F
Min 14℃ 58°F
Valley temperatures from an overnight low of 14℃ 58°F to daytime highs around 18℃ 64°F
Temperature at BaseTemp at Base
Thu
11
Snow unlikely
Clear sky, fair, rain showers later.
Forecast times for Biwako Valley are in Tokyo (Asia/Tokyo) time zone.
Max 17℃ 62°F
Min 12℃ 53°F
Valley temperatures from an overnight low of 12℃ 53°F to daytime highs around 17℃ 62°F
Temperature at BaseTemp at Base
Fri
12
Snow unlikely
Fair early, then clear sky later.
Forecast times for Biwako Valley are in Tokyo (Asia/Tokyo) time zone.
Max 19℃ 66°F
Min 11℃ 52°F
Valley temperatures from an overnight low of 11℃ 52°F to daytime highs around 19℃ 66°F
Temperature at BaseTemp at Base
Sat
13
Snow unlikely
Clear sky, fair, clear sky later.
Forecast times for Biwako Valley are in Tokyo (Asia/Tokyo) time zone.
Max 21℃ 70°F
Min 16℃ 60°F
Valley temperatures from an overnight low of 16℃ 60°F to daytime highs around 21℃ 70°F
Temperature at BaseTemp at Base
Sun
14
Snow unlikely
Fair, rain showers, clear spells later.
Forecast times for Biwako Valley are in Tokyo (Asia/Tokyo) time zone.
Max 19℃ 67°F
Min 12℃ 54°F
Valley temperatures from an overnight low of 12℃ 54°F to daytime highs around 19℃ 67°F
Temperature at BaseTemp at Base
Mon
15
Snow unlikely
Clear spells early, then clear sky later.
Forecast times for Biwako Valley are in Tokyo (Asia/Tokyo) time zone.
Max 19℃ 66°F
Min 10℃ 50°F
Valley temperatures from an overnight low of 10℃ 50°F to daytime highs around 19℃ 66°F
Temperature at BaseTemp at Base
Tue
16
Snow unlikely
Clear sky, cloudy, clear spells later.
Forecast times for Biwako Valley are in Tokyo (Asia/Tokyo) time zone.
Max 21℃ 69°F
Min 12℃ 53°F
Valley temperatures from an overnight low of 12℃ 53°F to daytime highs around 21℃ 69°F
Temperature at BaseTemp at Base
Wed
17
Snow unlikely
Clear spells, fair, light drizzle later.
Forecast times for Biwako Valley are in Tokyo (Asia/Tokyo) time zone.
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.
Biwako Valley Snow Forecast updated at 22:43 BST, next update expected 04:00 BST.
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.