Niseko Grand Hirafu Weather
Weather Forecast for Niseko Grand Hirafu (300m to 1,308m)
Weather Outlook from 21 March.
Niseko Grand Hirafu Forecast
See below for the detailed long-range forecast, including lowest and highest temperatures, sunshine, cloud cover, wind and rain projections.
Niseko Grand Hirafu Weather Forecast updated at 11:43 NZDT, next update expected 14:00 NZDT.
Long-range Snow Outlook for Niseko Grand Hirafu
Snowfall
Snow Line
Max 8℃
Min -5℃
13cm New Snow
Snow Line from 962m to resort level (300m).
There is some snow in the long-range forecast (8 to 16 days from today)!
J2Ski - Sign In for a long-range snow forecast, with more weather detail.
Powder Alert!
Powder Alarm issued 21 March 2026 12:50 NZDT
Powder Possible :- 15cm of Fresh Snow is forecast for Niseko Grand Hirafu over the next 2 days.
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Niseko Grand Hirafu Daily Weather Forecast Detail
| Base | Snow and Weather | Temp Town | |
|---|---|---|---|
| Sat 21 |  | 11cm New Snow | Max 0℃ Min -3℃ |
| Sun 22 |  | Fair. | Max 8℃ Min -4℃ |
| Mon 23 |  | up to 1cm New Snow | Max 8℃ Min -2℃ |
| Tue 24 |  | Light snow showers. | Max 3℃ Min -4℃ |
| Wed 25 |  | Clear sky. | Max 5℃ Min -5℃ |
| Thu 26 | | Clear sky. | Max 8℃ Min -2℃ |
| Fri 27 | | Fair. | Max 6℃ Min 0℃ |
There is some snow in the long-range forecast (8 to 16 days from today)!
J2Ski - Sign In to see the full long-range weather forecast (out to 16 days, with more weather detail).
This Snow Forecast for Niseko Grand Hirafu, 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 Niseko Grand Hirafu, 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.
Niseko Grand Hirafu Weather Forecast updated at 11:43 NZDT, next update expected 14:00 NZDT.
Current Snow
For current snow depths and skiing conditions, see our Current Snow Report for Niseko Grand Hirafu.Japan Hotels Map
For more information about this Japanese Ski Resort, See Also Skiing and Snowboarding in Niseko Grand Hirafu .
Off-Piste Safety in Niseko Grand Hirafu
Before skiing or snowboarding off-piste in Niseko Grand Hirafu, you must assess the local snow conditions. Always check the local Avalanche Risk Level and ski with appropriate safety equipment.