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Niseko Grand Hirafu Snow Forecast - 48 hour - 21st September 2026

Niseko Grand Hirafu 48-Hour Snow Forecast

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GFS
JMA

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Updated 21 September 2026 02:44 PDT

2-Day Forecast for Niseko Grand Hirafu

48-hours from 21 September.

See below for forecast detail

Niseko Grand Hirafu Snow Forecast updated at 02:44 PDT, next update expected 05:00 PDT.

Forecast for today in Niseko Grand Hirafu

Max 75°F
Min 60°F

Valley temperatures from an overnight low of 60°F to daytime highs around 75°F

Temperature at BaseTemp at Base

Mon
21

Snow unlikely

FairClearClearFair

Fair, clear sky, fair later.

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

Forecast for tomorrow in Niseko Grand Hirafu

Max 66°F
Min 56°F

Valley temperatures from an overnight low of 56°F to daytime highs around 66°F

Temperature at BaseTemp at Base

Tue
22

Snow unlikely

ClearClearClearClear

Clear sky.

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?
Mon09:00Fair

Fair.68°FSE
Calm
-125%
Mon10:00Fair

Fair.70°FSE
Light
-125%
Mon11:00Clear

Clear sky.72°FSE
Light
-125%
Mon12:00Clear

Clear sky.74°FSE
Light
-125%
Mon13:00Clear

Clear sky.74°FSE
Calm
-125%
Mon14:00Clear

Clear sky.75°FSE
Calm
-125%
Mon15:00Fair

Fair.73°FSE
Light
-125%
Mon16:00Clear

Clear sky.70°FSE
Light
-125%
Mon17:00Clear

Clear sky.68°FSE
Light
-125%
Mon18:00Clear

Clear sky.64°FSE
Light
-125%
Mon19:00Clear

Clear sky.62°FSE
Light
-125%
Mon20:00Clear

Clear sky.62°FSE
Light
-125%
Mon21:00Clear

Clear sky.61°FSE
Light
-125%
Mon22:00Clear

Clear sky.61°FSE
Light
-125%
Mon23:00Clear

Clear sky.60°FSE
Light
-125%
Tue00:00Clear

Clear sky.60°FNE
Light
-125%
Tue01:00Clear

Clear sky.60°FNE
Light
-125%
Tue02:00Fair

Fair.61°FNE
Light
-125%
Tue03:00Fair

Fair.61°FNE
Light
-125%
Tue04:00Clear

Clear sky.61°FNE
Light
-125%
Tue05:00Fair

Fair.61°FNE
Light
-125%
Tue06:00Fair

Fair.61°FNE
Light
-125%
Tue07:00Fair

Fair.62°FNE
Breeze
-125%
Tue08:00Fair

Fair.63°FNE
Breeze
-125%
Tue09:00Fair

Fair.64°FNE
Breeze
-125%
Tue10:00Fair

Fair.65°FNE
Breeze
-125%
Tue11:00Clear

Clear sky.65°FNE
Breeze
-125%
Tue12:00Clear

Clear sky.66°FNE
Breeze
-125%
Tue13:00Clear

Clear sky.66°FNE
Breeze
-125%
Tue14:00Clear

Clear sky.65°FNE
Breeze
-125%
Tue15:00Clear

Clear sky.64°FNE
Breeze
-125%
Tue16:00Clear

Clear sky.63°FNE
Breeze
-125%
Tue17:00Clear

Clear sky.61°FNE
Breeze
-125%
Tue18:00Clear

Clear sky.60°FNE
Light
-125%
Tue19:00Clear

Clear sky.59°FNE
Light
-125%
Tue20:00Clear

Clear sky.58°FNE
Light
-125%
Tue21:00Clear

Clear sky.57°FNE
Light
-125%
Tue22:00Clear

Clear sky.56°FNE
Light
-125%
Tue23:00Clear

Clear sky.56°FNE
Light
-125%
Wed00:00Clear

Clear sky.55°FSW
Light
-125%
Wed01:00Clear

Clear sky.54°FSW
Light
-125%
Wed02:00Clear

Clear sky.53°FSW
Light
-125%
Wed03:00Clear

Clear sky.52°FSW
Light
-125%
Wed04:00Clear

Clear sky.52°FSW
Light
-125%
Wed05:00Clear

Clear sky.52°FSW
Light
-125%
Wed06:00Clear

Clear sky.52°FSW
Calm
-125%
Wed07:00Clear

Clear sky.54°FSW
Light
-125%
Wed08:00Clear

Clear sky.58°FSW
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 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.

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.