Niseko Grand Hirafu Weather
Weather Forecast for Niseko Grand Hirafu (984ft to 4,291ft)
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 15:43 PDT, next update expected imminently.
Long-range Snow Outlook for Niseko Grand Hirafu
Snowfall
Snow Line
Max 46°F
Min 23°F
5in New Snow
Snow Line from 3,156ft to resort level (984ft).
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 20 March 2026 18:43 PDT
Powder Possible :- 4in 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 |  | 4in New Snow | Max 31°F Min 26°F |
| Sun 22 |  | Fair. | Max 45°F Min 25°F |
| Mon 23 |  | New Snow | Max 46°F Min 28°F |
| Tue 24 |  | Light snow showers. | Max 37°F Min 25°F |
| Wed 25 |  | Clear sky. | Max 41°F Min 23°F |
| Thu 26 | | Clear sky. | Max 46°F Min 29°F |
| Fri 27 | | Fair. | Max 43°F Min 32°F |
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 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.
Niseko Grand Hirafu Weather Forecast updated at 15:43 PDT, next update expected imminently.
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.