Biwako Valley Snow Forecast - 7 day
Updated 31 October 2026 21:43 PDT
7-Day Snow Forecast for Biwako Valley
1-week from 1 November.
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 58°F
Min 40°F
Snow unlikely
J2Ski - Sign In for a long-range snow forecast, with more weather detail.
Partner Offers
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 51°F
Min 46°F
Valley temperatures from an overnight low of 46°F to daytime highs around 51°F
Temperature at BaseTemp at Base
Sun
01
Snow unlikely
Fair early, then rain showers later.
Forecast times for Biwako Valley are in Tokyo (Asia/Tokyo) time zone.
Max 51°F
Min 46°F
Valley temperatures from an overnight low of 46°F to daytime highs around 51°F
Temperature at BaseTemp at Base
Mon
02
Snow unlikely
Light rain first, rain then heavy drizzle, clear spells later.
Forecast times for Biwako Valley are in Tokyo (Asia/Tokyo) time zone.
Max 46°F
Min 41°F
Valley temperatures from an overnight low of 41°F to daytime highs around 46°F
Temperature at BaseTemp at Base
Tue
03
Snow unlikely
Rain showers first, clear spells then clear sky, fair later.
Forecast times for Biwako Valley are in Tokyo (Asia/Tokyo) time zone.
Max 53°F
Min 40°F
Valley temperatures from an overnight low of 40°F to daytime highs around 53°F
Temperature at BaseTemp at Base
Wed
04
Snow unlikely
Fair, light drizzle, drizzle later.
Forecast times for Biwako Valley are in Tokyo (Asia/Tokyo) time zone.
Max 58°F
Min 47°F
Valley temperatures from an overnight low of 47°F to daytime highs around 58°F
Temperature at BaseTemp at Base
Thu
05
Snow unlikely
Light drizzle first, fair then clear spells, fair later.
Forecast times for Biwako Valley are in Tokyo (Asia/Tokyo) time zone.
Max 57°F
Min 46°F
Valley temperatures from an overnight low of 46°F to daytime highs around 57°F
Temperature at BaseTemp at Base
Fri
06
Snow unlikely
Clear sky, light drizzle, light rain later.
Forecast times for Biwako Valley are in Tokyo (Asia/Tokyo) time zone.
Max 51°F
Min 40°F
Valley temperatures from an overnight low of 40°F to daytime highs around 51°F
Temperature at BaseTemp at Base
Sat
07
Snow unlikely
Heavy drizzle early, then 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 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.
Biwako Valley Snow Forecast updated at 21:43 PDT, next update expected 02:00 PST.
Snow Forecast near Biwako Valley
| Ski Area | 48 Hr | 7 Day | Su | Mo | Tu | We | Th | Fr | Sa |
|---|---|---|---|---|---|---|---|---|---|
| Myoko Suginohara | - | 3in | |||||||
| Hakuba 47 | - | - | |||||||
| Happo One | - | - | |||||||
| Tsugaike Kogen | - | 1in |
How reliable is the snow in Biwako Valley?
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.










