Niseko Grand Hirafu Snow Report and Forecast
Updated 23 August 2026 21:45 NZST
Snow Forecast for Niseko Grand Hirafu
Snow and Weather from 23 August.
For Forecast detail, see below.
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Niseko Grand Hirafu Snow Forecast Highlights
When will there be fresh snow in Niseko Grand Hirafu?
| Next Snow? | |
|---|---|
| There is no snow currently in the forecast for Niseko Grand Hirafu. |
Forecast for today in Niseko Grand Hirafu
Max 26℃
Min 20℃
Valley temperatures from an overnight low of 20℃ to daytime highs around 26℃
Temperature at BaseTemp at Base
Sun
23
Snow unlikely
Fair, clear sky, clear spells later.
Forecast times for Niseko Grand Hirafu are in Tokyo (Asia/Tokyo) time zone.
Niseko Grand Hirafu 7-Day Snow Forecast Overview
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| Sun 23 | Mon 24 | Tue 25 | Wed 26 | Thu 27 | Fri 28 | Sat 29 | |
|---|---|---|---|---|---|---|---|
| Wind | SW F2 | ||||||
| 1,308m | 19℃
| 18℃
 | 22℃
| 17℃
 | 15℃
| 13℃
| 14℃
|
| SW F2 | |||||||
| 804m | 23℃
| 22℃
| 25℃
| 20℃
| 18℃
| 16℃
| 18℃
|
| SW F2 | |||||||
| 300m | 26℃
| 25℃
| 28℃
| 23℃
| 21℃
| 20℃
| 21℃
|
| Snow Line | |||||||
| Max Town | 26℃ | 25℃ | 28℃ | 23℃ | 21℃ | 20℃ | 21℃ |
| Min Town | 20℃ | 20℃ | 20℃ | 20℃ | 19℃ | 17℃ | 16℃ |
This table shows the average forecast snowfall, the maximum temperature, and expected general weather at resort, lower and upper mountain levels. For daily forecast details, see below.
Snow Reliability
Niseko Grand Hirafu enjoys exceptional snow reliability, with an average snowfall of over 15 meters each season. Snow depths typically range from 1 to 3 meters, encouraging skiers to check J2Ski for the latest snow reports.
Understanding and predicting Snow Conditions in Niseko Grand Hirafu
Here are our tips for making the most of a trip to Niseko Grand Hirafu, with the help of the J2Ski Snow forecasts and reports. You can find some great skiing in Niseko Grand Hirafu, but like any mountain, snow conditions change throughout the season, from day to day, and even from hour to hour.
Whether you’re sticking to the marked pistes or venturing off-piste, here’s what you need to know:
Pistes (Groomers) or Off-Piste
These can be a world apart, regarding snow conditions, even ignoring the difference between the natural terrain features to be found off-piste and the generally controlled surfaces and slopes of a pisted (groomed) run.
- Piste Conditions can range from fresh powder to firm, icy surfaces, particularly after warm spells or a busy day on the mountain with the passage of many skiers.
- Off-Piste Conditions are far more variable. Wind and sun can quickly transform fresh snow into wind crust or slushy layers, whilst cold weather can preserve stashes of powder many days after a snowfall.
WARNING - skiing off-piste (out-of-bounds) at Niseko Grand Hirafu is uncontrolled and un-marked slopes are not made safe (from avalanche risk) or patrolled. Always check local advice, know the Avalanche Risk Level, ski with safety kit (and know how to use it), and never ski alone.
Analyzing Weather and Snowfall Forecasts
Whilst no forecast can tell you exactly how snow conditions in Niseko Grand Hirafu will develop, checking the forecast regularly should give you an idea of what to expect.
New snowfall can bring fresh powder and refresh the surfaces of pisted runs. Powder can be tracked out quickly at busy times, but in less crowded and shaded areas, fresh snow can linger for days.
Changes in weather conditions, such as milder temperatures, rain or wind, can degrade snow quality. Conversely, cold, stable weather can preserve conditions for extended periods.
Predicting Future Snow Quality
Regularly check our snow and weather forecasts for Niseko Grand Hirafu for changes that may affect snow quality. Forecast snowfall depth and recent snowfall are good indicators of what to expect.
Use historical data and recent snow reports to understand past snow conditions and anticipate future changes.