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Niseko Grand Hirafu Snow Forecast - 48 hour - 1st September 2026

Niseko Grand Hirafu 48-Hour Snow Forecast

ECMWF IFS
GFS
JMA

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Updated 01 September 2026 15:40 NZST

2-Day Forecast for Niseko Grand Hirafu

48-hours from 1 September.

See below for forecast detail

Niseko Grand Hirafu Snow Forecast updated at 15:40 NZST, next update expected 18:00 NZST.

Forecast for today in Niseko Grand Hirafu

Max 21℃
Min 17℃

Valley temperatures from an overnight low of 17℃ to daytime highs around 21℃

Temperature at BaseTemp at Base

Tue
01

Snow unlikely

FairMixedShwrsShwrs

Fair, clear spells, rain showers later.

Forecast times for Niseko Grand Hirafu are in Tokyo (Asia/Tokyo) time zone.

Forecast for tomorrow in Niseko Grand Hirafu

Max 21℃
Min 16℃

Valley temperatures from an overnight low of 16℃ to daytime highs around 21℃

Temperature at BaseTemp at Base

Wed
02

Snow unlikely

Lt DrizzleLt DrizzleLt DrizzleMixed

Light drizzle early, then clear spells later.

Forecast times for Niseko Grand Hirafu are in Tokyo (Asia/Tokyo) time zone.

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48-hour Forecast Detail

48 Hour Weather and Snow Forecast for Niseko Grand Hirafu from OpenMeteo(JMA)
BaseSnow toWeatherTemp
Town
Rain or Snow?
Tue09:00Fair

Fair.20℃SE
Light
-125%
Tue10:00Fair

Fair.20℃SE
Light
-125%
Tue11:00Fair

Fair.21℃SE
Light
-125%
Tue12:00Mixed

Clear spells.21℃SE
Light
-125%
Tue13:00Mixed

Clear spells.20℃SE
Light
-125%
Tue14:00Mixed

Clear spells.20℃SE
Light
-125%
Tue15:00Mixed

Clear spells.19℃SE
Light
-125%
Tue16:00Mixed

Clear spells.19℃SE
Light
-125%
Tue17:00Mixed

Clear spells.19℃SE
Light
-125%
Tue18:00Cloud

Cloudy.18℃SE
Light
-125%
Tue19:00Lt Drizzle

Light drizzle.17℃SE
Light
-125%
Tue20:00Lt Drizzle

Light drizzle.17℃SE
Light
-125%
Tue21:00Drizzle

Drizzle.17℃SE
Light
-125%
Tue22:00Lt Rain

Light rain.17℃SE
Calm
-125%
Tue23:00Lt Rain

Light rain.17℃SE
Light
-125%
Wed00:00Rain

Rain.17℃SE
Light
-125%
Wed01:00Rain

Rain.17℃SE
Light
-125%
Wed02:00Rain

Rain.17℃SE
Light
-125%
Wed03:00Rain

Rain.17℃SE
Light
-125%
Wed04:00Hvy Rain

Heavy rain.16℃SE
Light
-125%
Wed05:00Hvy Rain

Heavy rain.16℃SE
Light
-125%
Wed06:00Lt Drizzle

Light drizzle.16℃SE
Light
-125%
Wed07:00Fair

Fair.16℃SE
Light
-125%
Wed08:00Mixed

Clear spells.17℃SE
Light
-125%
Wed09:00Mixed

Clear spells.18℃SE
Light
-125%
Wed10:00Mixed

Clear spells.20℃SE
Light
-125%
Wed11:00Lt Drizzle

Light drizzle.19℃SE
Light
-125%
Wed12:00Lt Drizzle

Light drizzle.21℃SE
Light
-125%
Wed13:00Lt Drizzle

Light drizzle.21℃SE
Light
-125%
Wed14:00Lt Drizzle

Light drizzle.21℃SE
Light
-125%
Wed15:00Lt Drizzle

Light drizzle.21℃SE
Light
-125%
Wed16:00Lt Drizzle

Light drizzle.21℃SE
Light
-125%
Wed17:00Lt Drizzle

Light drizzle.20℃SE
Light
-125%
Wed18:00Drizzle

Drizzle.20℃SE
Light
-125%
Wed19:00Lt Drizzle

Light drizzle.20℃SE
Light
-125%
Wed20:00Fair

Fair.20℃SE
Light
-125%
Wed21:00Fair

Fair.20℃SE
Light
-125%
Wed22:00Lt Drizzle

Light drizzle.21℃SE
Light
-125%
Wed23:00Lt Drizzle

Light drizzle.21℃SE
Light
-125%
Thu00:00Lt Drizzle

Light drizzle.21℃NW
Light
-125%
Thu01:00Lt Drizzle

Light drizzle.20℃NW
Light
-125%
Thu02:00Lt Drizzle

Light drizzle.19℃NW
Light
-125%
Thu03:00Cloud

Cloudy.19℃NW
Light
-125%
Thu04:00Cloud

Cloudy.18℃NW
Light
-125%
Thu05:00Mixed

Clear spells.18℃NW
Light
-125%
Thu06:00Mixed

Clear spells.18℃NW
Light
-125%
Thu07:00Mixed

Clear spells.18℃NW
Light
-125%
Thu08:00Cloud

Cloudy.18℃NW
Light
-125%

Snow Forecast near Niseko Grand Hirafu

Snow forecasts for nearby ski areas.

Snow Forecasts for other Ski Resorts near Niseko Grand Hirafu are not available.

Niseko Grand Hirafu Snow

For current snow depths and skiing conditions, see our Current Snow Report for Niseko Grand Hirafu.

No significant snowfall is forecast for this period.

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.

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.