Niseko Grand Hirafu Snow Report and Forecast
Snow Forecast for Niseko Grand Hirafu
This is the Snow Forecast for Niseko Grand Hirafu, Japan for 16 days from 15 November.
Updated 15 November 2025 19:31 NZDT.
For Forecast detail, see below.
For current snow depths and skiing conditions, see our Current Snow Report for Niseko Grand Hirafu.
There is some snow in the long-range forecast (8 to 16 days from today)!
J2Ski - Sign In to see the full long-range snow forecast (out to 16 days, with more weather detail).
Niseko Grand Hirafu Snow Forecast Highlights
When will there be fresh snow in Niseko Grand Hirafu?
| Next Snow Expected | 17 November |
|---|---|
| Next Snow Amount | 2cm |
| Next 48 Hours | 3cm |
| Next 7 Days | 5cm |
Forecast for today in Niseko Grand Hirafu
Max 5℃
Min -1℃
Freeze-thaw conditions, with valley temperatures cooling to -1℃ and rising to 5℃
Temperature at BaseTemp at Base
Snowfall
Snow Line
Sat
15
Snow unlikely
Clear spells.
Niseko Grand Hirafu has 3cm new snow forecast in the next 48 hours.
Niseko Grand Hirafu Snow Report
| Snow Conditions | - |
|---|
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| Sat 15 | Sun 16 | Mon 17 | Tue 18 | Wed 19 | Thu 20 | Fri 21 | |
|---|---|---|---|---|---|---|---|
| Wind | S F3 | NW F3 | NW F2 | ||||
| 1,308m | -2℃
| 4℃
| -1℃
 +3cm
| -7℃
+1cm
| -5℃
| 0℃
| 1℃
 +1cm
|
| S F3 | NW F3 | NW F2 | |||||
| 804m | 1℃
| 7℃
| 2℃
+2cm
| -4℃
+1cm
| -2℃
| 3℃
| 5℃
|
| S F2 | NW F3 | NW F2 | |||||
| 300m | 5℃
| 10℃
| 5℃
+1cm
| -1℃
 +1cm
| 1℃
| 7℃
| 8℃
|
| Snow Line | varying 469m | varying 619m | 300m | varying 499m | |||
| Max Town | 5℃ | 10℃ | 5℃ | -1℃ | 1℃ | 7℃ | 8℃ |
| Min Town | -1℃ | 3℃ | -2℃ | -3℃ | -1℃ | 2℃ | 0℃ |
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.
Niseko Grand Hirafu 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 5℃
Min -1℃
Freeze-thaw conditions, with valley temperatures cooling to -1℃ and rising to 5℃
Temperature at BaseTemp at Base
Snowfall
Snow Line
Sat
15
Snow unlikely
Clear spells.
Max 10℃
Min 3℃
Valley temperatures from an overnight low of 3℃ to daytime highs around 10℃
Freeze-thaw conditions up high.
Temperature at BaseTemp at Base
Sun
16
Snow unlikely
Fair, clear spells, cloudy later.
Max 5℃
Min -2℃
Freeze-thaw conditions, with valley temperatures cooling to -2℃ and rising to 5℃
Temperature at BaseTemp at Base
Snowfall
Snow Line
Mon
17
1cm to 3cm New Snow
Clear spells, light snow showers, cloudy later.
Snow Line from 619m to resort level.
Max -1℃
Min -3℃
Below freezing at all levels, with valley temperatures as low as -3℃ and not getting above -1℃
Temperature at BaseTemp at Base
Snowfall
Snow Line
Tue
18
1cm New Snow
Cloudy first, light snow then light snow showers, clear spells later.
Snow falling to resort level.
Max 1℃
Min -1℃
Freeze-thaw conditions, with valley temperatures cooling to -1℃ and rising to 1℃
Temperature at BaseTemp at Base
Wed
19
Snow unlikely
Clear spells, fair, clear spells later.
Max 7℃
Min 2℃
Valley temperatures from an overnight low of 2℃ to daytime highs around 7℃
Temperature at BaseTemp at Base
Thu
20
Snow unlikely
Clear spells, fair, clear spells later.
Max 8℃
Min 0℃
Valley temperatures from an overnight low of 0℃ to daytime highs around 8℃
Freeze-thaw from mid-mountain up.
Temperature at BaseTemp at Base
Snowfall
Snow Line
Fri
21
up to 1cm New Snow
Clear spells, light snow, clear spells later.
Snow Line from 499m to resort level.
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 Snow Forecast updated at 19:31 NZDT, next update expected 22:00 NZDT.
Snow Forecast near Niseko Grand Hirafu
| Ski Area | 48 Hr | 7 Day | Sa | Su | Mo | Tu | We | Th | Fr |
|---|---|---|---|---|---|---|---|---|---|
| Niseko Annupuri | 9cm | 21cm | |||||||
| Niseko Village/Higashiyama | 11cm | 14cm | |||||||
| Niseko | 14cm | 18cm | |||||||
| Niseko Kokusai Moiwa | 7cm | 14cm | |||||||
| Kiroro | 9cm | 11cm | |||||||
| Niseko Hanazono | 2cm | 10cm | |||||||
| Rusutsu | - | 1cm |
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.