Happo One Snow Forecast - 7 day
Updated 29 April 2026 16:41 UTC
7-Day Snow Forecast for Happo One
1-week from 29 April.
For Forecast detail, see below.
J2Ski - Sign In for a long-range snow forecast, with more weather detail.
Happo One 7-Day Snow Forecast Highlights
When will there be fresh snow in Happo One?
| Next Snow? | |
|---|---|
| There is no snow currently in the forecast for Happo One. |
7-Day Snow Outlook for Happo One
Snowfall
Snow Line
Max 21℃ 69°F
Min 5℃ 40°F
6cm 2in New Snow
Snow Line from 1,622m 5,322ft to 1,575m 5,167ft , with rain below.
J2Ski - Sign In for a long-range snow forecast, with more weather detail.
Partner Offers
Happo One 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 13℃ 55°F
Min 6℃ 42°F
Valley temperatures from an overnight low of 6℃ 42°F to daytime highs around 13℃ 55°F
Temperature at BaseTemp at Base
Wed
29
Snow unlikely
Cloudy first, fair then cloudy, clear spells later.
Forecast times for Happo One are in Tokyo (Asia/Tokyo) time zone.
Max 13℃ 56°F
Min 5℃ 40°F
Valley temperatures from an overnight low of 5℃ 40°F to daytime highs around 13℃ 56°F
Freeze-thaw conditions up high.
Temperature at BaseTemp at Base
Thu
30
Snow unlikely
Clear spells, cloudy, light drizzle later.
Forecast times for Happo One are in Tokyo (Asia/Tokyo) time zone.
Max 15℃ 59°F
Min 8℃ 46°F
Valley temperatures from an overnight low of 8℃ 46°F to daytime highs around 15℃ 59°F
Temperature at BaseTemp at Base
Fri
01
Snow unlikely
Rain showers early, then clear sky later.
Forecast times for Happo One are in Tokyo (Asia/Tokyo) time zone.
Max 19℃ 67°F
Min 6℃ 43°F
Valley temperatures from an overnight low of 6℃ 43°F to daytime highs around 19℃ 67°F
Freeze-thaw conditions up high.
Temperature at BaseTemp at Base
Snowfall
Snow Line
Sat
02
up to 6cm up to 2in New Snow
Clear sky, fair, cloudy later.
Snow Line from 1,622m 5,322ft to 1,575m 5,167ft , with rain below.
Forecast times for Happo One are in Tokyo (Asia/Tokyo) time zone.
Max 20℃ 69°F
Min 6℃ 43°F
Valley temperatures from an overnight low of 6℃ 43°F to daytime highs around 20℃ 69°F
Temperature at BaseTemp at Base
Sun
03
Snow unlikely
Cloudy early, then drizzle later.
Forecast times for Happo One are in Tokyo (Asia/Tokyo) time zone.
Max 21℃ 69°F
Min 11℃ 51°F
Valley temperatures from an overnight low of 11℃ 51°F to daytime highs around 21℃ 69°F
Temperature at BaseTemp at Base
Mon
04
Snow unlikely
Light drizzle, drizzle, light drizzle later.
Forecast times for Happo One are in Tokyo (Asia/Tokyo) time zone.
Max 18℃ 65°F
Min 7℃ 44°F
Valley temperatures from an overnight low of 7℃ 44°F to daytime highs around 18℃ 65°F
Temperature at BaseTemp at Base
Tue
05
Snow unlikely
Clear sky, fair, clear spells later.
Forecast times for Happo One are in Tokyo (Asia/Tokyo) time zone.
This Snow Forecast for Happo One, 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 Happo One, 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.
Happo One Snow Forecast updated at 16:41 UTC, next update expected imminently.
Snow Forecast near Happo One
| Ski Area | 48 Hr | 7 Day | We | Th | Fr | Sa | Su | Mo | Tu |
|---|---|---|---|---|---|---|---|---|---|
| Myoko Suginohara | - | 7cm 3in |
Snow Reliability
Happo One typically enjoys reliable snow conditions, with an average snow depth of 3 to 4 meters during peak season. For the latest snow reports and updates, check J2Ski.









