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Niseko Grand Hirafu Snow Forecast - 48 hour - 20th September 2026

Niseko Grand Hirafu 48-Hour Snow Forecast

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GFS
JMA

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Updated 20 September 2026 19:43 BST

2-Day Forecast for Niseko Grand Hirafu

48-hours from 20 September.

See below for forecast detail

Niseko Grand Hirafu Snow Forecast updated at 19:43 BST, next update expected 22:00 BST.

Forecast for today in Niseko Grand Hirafu

Max 22℃ 72°F
Min 16℃ 61°F

Valley temperatures from an overnight low of 16℃ 61°F to daytime highs around 22℃ 72°F

Temperature at BaseTemp at Base

Sun
20

Snow unlikely

FairFairCloudFair

Fair, cloudy, fair later.

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

Forecast for tomorrow in Niseko Grand Hirafu

Max 24℃ 76°F
Min 15℃ 59°F

Valley temperatures from an overnight low of 15℃ 59°F to daytime highs around 24℃ 76°F

Temperature at BaseTemp at Base

Mon
21

Snow unlikely

ClearClearClearFair

Clear sky early, then fair 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?
Sun09:00Mixed

Clear spells. 18℃ 64°F SW
Calm
-125%
Sun10:00Mixed

Clear spells. 19℃ 66°F SW
Light
-125%
Sun11:00Fair

Fair. 20℃ 68°F SW
Light
-125%
Sun12:00Fair

Fair. 21℃ 69°F SW
Light
-125%
Sun13:00Fair

Fair. 22℃ 72°F SW
Calm
-125%
Sun14:00Mixed

Clear spells. 22℃ 72°F SW
Light
-125%
Sun15:00Fair

Fair. 22℃ 71°F SW
Light
-125%
Sun16:00Fair

Fair. 21℃ 69°F SW
Light
-125%
Sun17:00Fair

Fair. 20℃ 67°F SW
Light
-125%
Sun18:00Fair

Fair. 18℃ 65°F SW
Light
-125%
Sun19:00Clear

Clear sky. 17℃ 63°F SW
Light
-125%
Sun20:00Clear

Clear sky. 17℃ 62°F SW
Light
-125%
Sun21:00Mixed

Clear spells. 17℃ 62°F SW
Light
-125%
Sun22:00Cloud

Cloudy. 16℃ 61°F SW
Light
-125%
Sun23:00Cloud

Cloudy. 16℃ 61°F SW
Light
-125%
Mon00:00Cloud

Cloudy. 16℃ 61°F E
Light
-125%
Mon01:00Cloud

Cloudy. 16℃ 61°F E
Light
-125%
Mon02:00Cloud

Cloudy. 16℃ 61°F E
Light
-125%
Mon03:00Cloud

Cloudy. 16℃ 60°F E
Light
-125%
Mon04:00Cloud

Cloudy. 16℃ 60°F E
Light
-125%
Mon05:00Cloud

Cloudy. 16℃ 60°F E
Light
-125%
Mon06:00Cloud

Cloudy. 15℃ 59°F E
Light
-125%
Mon07:00Fair

Fair. 16℃ 61°F E
Light
-125%
Mon08:00Fair

Fair. 19℃ 65°F E
Light
-125%
Mon09:00Fair

Fair. 20℃ 69°F E
Light
-125%
Mon10:00Fair

Fair. 22℃ 71°F E
Calm
-125%
Mon11:00Clear

Clear sky. 23℃ 73°F E
Calm
-125%
Mon12:00Clear

Clear sky. 24℃ 75°F E
Calm
-125%
Mon13:00Clear

Clear sky. 24℃ 76°F E
Light
-125%
Mon14:00Clear

Clear sky. 24℃ 75°F E
Light
-125%
Mon15:00Clear

Clear sky. 23℃ 73°F E
Light
-125%
Mon16:00Clear

Clear sky. 21℃ 70°F E
Light
-125%
Mon17:00Clear

Clear sky. 20℃ 67°F E
Light
-125%
Mon18:00Clear

Clear sky. 18℃ 64°F E
Light
-125%
Mon19:00Clear

Clear sky. 17℃ 62°F E
Light
-125%
Mon20:00Clear

Clear sky. 16℃ 61°F E
Light
-125%
Mon21:00Clear

Clear sky. 16℃ 61°F E
Light
-125%
Mon22:00Clear

Clear sky. 16℃ 61°F E
Light
-125%
Mon23:00Clear

Clear sky. 16℃ 60°F E
Light
-125%
Tue00:00Clear

Clear sky. 16℃ 60°F N
Light
-125%
Tue01:00Clear

Clear sky. 16℃ 60°F N
Light
-125%
Tue02:00Fair

Fair. 16℃ 61°F N
Light
-125%
Tue03:00Fair

Fair. 16℃ 61°F N
Breeze
-125%
Tue04:00Fair

Fair. 16℃ 61°F N
Light
-125%
Tue05:00Fair

Fair. 16℃ 61°F N
Light
-125%
Tue06:00Mixed

Clear spells. 16℃ 61°F N
Breeze
-125%
Tue07:00Fair

Fair. 17℃ 62°F N
Breeze
-125%
Tue08:00Fair

Fair. 17℃ 63°F N
Breeze
-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.