Happo One 48-Hour Snow Forecast
Updated 22 September 2026 01:40 AEST
2-Day Forecast for Happo One
48-hours from 21 September.
See below for forecast detail
Happo One Snow Forecast updated at 01:40 AEST, next update expected 04:00 AEST.
Forecast for today in Happo One
Max 23℃
Min 19℃
Valley temperatures from an overnight low of 19℃ to daytime highs around 23℃
Temperature at BaseTemp at Base
Mon
21
Snow unlikely
Clear spells first, cloudy then light drizzle, clear sky later.
Forecast times for Happo One are in Tokyo (Asia/Tokyo) time zone.
Forecast for tomorrow in Happo One
Max 21℃
Min 14℃
Valley temperatures from an overnight low of 14℃ to daytime highs around 21℃
Temperature at BaseTemp at Base
Tue
22
Snow unlikely
Clear sky.
Forecast times for Happo One are in Tokyo (Asia/Tokyo) time zone.
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48-hour Forecast Detail
| Base | Snow to | Weather | Temp Town | Rain or Snow? | |||
|---|---|---|---|---|---|---|---|
| Mon | 09:00 |  | Clear spells. | 21℃ | S Calm | -125% | |
| Mon | 10:00 | | Clear spells. | 22℃ | S Light | -125% | |
| Mon | 11:00 | | Clear spells. | 23℃ | S Light | -125% | |
| Mon | 12:00 | | Cloudy. | 21℃ | S Light | -125% | |
| Mon | 13:00 | | Cloudy at altitude. Lt drizzle below. | 21℃ | S Light | -125% | |
| Mon | 14:00 | | Cloudy. | 20℃ | S Light | -125% | |
| Mon | 15:00 | | Cloudy. | 19℃ | S Light | -125% | |
| Mon | 16:00 | | Cloudy. | 20℃ | S Light | -125% | |
| Mon | 17:00 | | Cloudy. | 20℃ | S Light | -125% | |
| Mon | 18:00 | | Cloudy. | 19℃ | S Light | -125% | |
| Mon | 19:00 | | Light snow at altitude. Lt rain below. | 20℃ | S Light | -125% | |
| Mon | 20:00 | | Light snow at altitude. Lt rain below. | 20℃ | S Light | -125% | |
| Mon | 21:00 | | Light drizzle. | 20℃ | S Light | -125% | |
| Mon | 22:00 | | Light drizzle. | 20℃ | S Light | -125% | |
| Mon | 23:00 | | Light drizzle. | 20℃ | S Light | -125% | |
| Tue | 00:00 | | Light drizzle. | 20℃ | SW Light | -125% | |
| Tue | 01:00 | | Light snow at altitude. Lt drizzle below. | 19℃ | SW Light | -125% | |
| Tue | 02:00 | | Light snow at altitude. Lt rain below. | 19℃ | SW Light | -125% | |
| Tue | 03:00 | | Light snow at altitude. Lt rain below. | 18℃ | SW Light | -125% | |
| Tue | 04:00 | | Clear spells at altitude. Fair below. | 17℃ | SW Light | -125% | |
| Tue | 05:00 | | Fair at altitude. Clear below. | 16℃ | SW Light | -125% | |
| Tue | 06:00 | | Fair at altitude. Clear below. | 16℃ | SW Light | -125% | |
| Tue | 07:00 | | Fair at altitude. Clear below. | 17℃ | SW Light | -125% | |
| Tue | 08:00 | | Fair at altitude. Clear below. | 19℃ | SW Light | -125% | |
| Tue | 09:00 | | Fair at altitude. Clear below. | 19℃ | SW Light | -125% | |
| Tue | 10:00 | | Fair. | 20℃ | SW Light | -125% | |
| Tue | 11:00 | | Clear sky. | 20℃ | SW Light | -125% | |
| Tue | 12:00 | | Clear sky. | 21℃ | SW Light | -125% | |
| Tue | 13:00 | | Clear sky. | 21℃ | SW Light | -125% | |
| Tue | 14:00 | | Clear sky. | 21℃ | SW Light | -125% | |
| Tue | 15:00 | | Fair at altitude. Clear below. | 20℃ | SW Light | -125% | |
| Tue | 16:00 | | Fair at altitude. Clear below. | 19℃ | SW Light | -125% | |
| Tue | 17:00 | | Fair at altitude. Clear below. | 18℃ | SW Light | -125% | |
| Tue | 18:00 | | Fair at altitude. Clear below. | 16℃ | SW Calm | -125% | |
| Tue | 19:00 | | Fair at altitude. Clear below. | 16℃ | SW Calm | -125% | |
| Tue | 20:00 | | Fair. | 15℃ | SW Light | -125% | |
| Tue | 21:00 | | Fair at altitude. Clear below. | 15℃ | SW Light | -125% | |
| Tue | 22:00 | | Clear sky. | 15℃ | SW Light | -125% | |
| Tue | 23:00 | | Clear sky. | 14℃ | SW Light | -125% | |
| Wed | 00:00 | | Clear sky. | 14℃ | S Light | -125% | |
| Wed | 01:00 | | Clear sky. | 14℃ | S Light | -125% | |
| Wed | 02:00 | | Clear sky. | 14℃ | S Light | -125% | |
| Wed | 03:00 | | Clear sky. | 14℃ | S Light | -125% | |
| Wed | 04:00 | | Clear sky. | 13℃ | S Light | -125% | |
| Wed | 05:00 | | Clear sky. | 14℃ | S Calm | -125% | |
| Wed | 06:00 | | Clear sky. | 13℃ | S Light | -125% | |
| Wed | 07:00 | | Fair at altitude. Clear below. | 14℃ | S Light | -125% | |
| Wed | 08:00 | | Fair at altitude. Clear below. | 17℃ | S Light | -125% | |
Snow Forecast near Happo One
Snow forecasts for nearby ski areas.
Snow Forecasts for other Ski Resorts near Happo One are not available.
Happo One Snow
For current snow depths and skiing conditions, see our Current Snow Report for Happo One.
No significant snowfall is forecast for this period.
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 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
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.