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Niseko Grand Hirafu Snow Forecast - 48 hour - 31st August 2026

Niseko Grand Hirafu 48-Hour Snow Forecast

ECMWF IFS
GFS
JMA

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Updated 31 August 2026 21:16 IST

2-Day Forecast for Niseko Grand Hirafu

48-hours from 31 August.

See below for forecast detail

Niseko Grand Hirafu Snow Forecast updated at 21:16 IST, next update expected imminently.

Forecast for today 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

Mon
31

Snow unlikely

MixedMixedFairFair

Clear spells early, then fair later.

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

Forecast for tomorrow in Niseko Grand Hirafu

Max 21℃
Min 15℃

Valley temperatures from an overnight low of 15℃ to daytime highs around 21℃

Temperature at BaseTemp at Base

Tue
01

Snow unlikely

FairMixedLt DrizzleRain

Fair first, clear spells then light drizzle, rain later.

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

48-hour Forecast Detail

48 Hour Weather and Snow Forecast for Niseko Grand Hirafu from OpenMeteo(JMA)
BaseSnow toWeatherTemp
Town
Rain or Snow?
Mon09:00Mixed

Clear spells.19℃S
Light
-125%
Mon10:00Fair

Fair.19℃S
Light
-125%
Mon11:00Mixed

Clear spells.20℃S
Light
-125%
Mon12:00Mixed

Clear spells.20℃S
Light
-125%
Mon13:00Mixed

Clear spells.21℃S
Light
-125%
Mon14:00Cloud

Cloudy.20℃S
Light
-125%
Mon15:00Mixed

Clear spells.19℃S
Light
-125%
Mon16:00Mixed

Clear spells.19℃S
Light
-125%
Mon17:00Fair

Fair.19℃S
Light
-125%
Mon18:00Fair

Fair.18℃S
Light
-125%
Mon19:00Mixed

Clear spells.17℃S
Calm
-125%
Mon20:00Mixed

Clear spells.17℃S
Calm
-125%
Mon21:00Fair

Fair.17℃S
Light
-125%
Mon22:00Mixed

Clear spells.17℃S
Calm
-125%
Mon23:00Mixed

Clear spells.16℃S
Light
-125%
Tue00:00Fair

Fair.16℃SW
Light
-125%
Tue01:00Fair

Fair.16℃SW
Light
-125%
Tue02:00Fair

Fair.16℃SW
Light
-125%
Tue03:00Fair

Fair.16℃SW
Light
-125%
Tue04:00Fair

Fair.16℃SW
Light
-125%
Tue05:00Fair

Fair.15℃SW
Light
-125%
Tue06:00Fair

Fair.16℃SW
Light
-125%
Tue07:00Fair

Fair.18℃SW
Calm
-125%
Tue08:00Fair

Fair.19℃SW
Light
-125%
Tue09:00Fair

Fair.20℃SW
Light
-125%
Tue10:00Fair

Fair.21℃SW
Light
-125%
Tue11:00Fair

Fair.21℃SW
Light
-125%
Tue12:00Fair

Fair.21℃SW
Light
-125%
Tue13:00Fair

Fair.21℃SW
Light
-125%
Tue14:00Fair

Fair.21℃SW
Light
-125%
Tue15:00Mixed

Clear spells.20℃SW
Light
-125%
Tue16:00Fair

Fair.20℃SW
Light
-125%
Tue17:00Mixed

Clear spells.19℃SW
Light
-125%
Tue18:00Mixed

Clear spells.19℃SW
Light
-125%
Tue19:00Lt Drizzle

Light drizzle.18℃SW
Light
-125%
Tue20:00Fair

Fair.17℃SW
Light
-125%
Tue21:00Lt Drizzle

Light drizzle.17℃SW
Light
-125%
Tue22:00Lt Drizzle

Light drizzle.17℃SW
Light
-125%
Tue23:00Drizzle

Drizzle.16℃SW
Light
-125%
Wed00:00Lt Rain

Light rain.16℃SE
Light
-125%
Wed01:00Rain

Rain.16℃SE
Light
-125%
Wed02:00Rain

Rain.17℃SE
Light
-125%
Wed03:00Rain

Rain.17℃SE
Light
-125%
Wed04:00Rain

Rain.17℃SE
Light
-125%
Wed05:00Lt Rain

Light rain.17℃SE
Light
-125%
Wed06:00Rain

Rain.17℃SE
Light
-125%
Wed07:00Rain

Rain.18℃SE
Calm
-125%
Wed08:00Rain

Rain.19℃SE
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.