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Niseko Grand Hirafu 7-Day Snow Forecast - 21st March 2026

Niseko Grand Hirafu Snow Forecast - 7 day

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Updated 21 March 2026 04:41 GMT

7-Day Snow Forecast for Niseko Grand Hirafu

1-week from 21 March.

For Forecast detail, see below.

Niseko Grand Hirafu 7-Day Snow Forecast Highlights

When will there be fresh snow in Niseko Grand Hirafu?

Niseko Grand Hirafu Snow Forecast Highlights - JMA
Snowfall prediction at mid-mountain (804m)
Next Snow Expected30 March
Next Snow Amount 2cm 1in
Next 48 Hours - -
Next 7 Days - -

7-Day Snow Outlook for Niseko Grand Hirafu

 
Snowfall

 
Snow Line

Max 8℃ 46°F
Min -5℃ 23°F

1cm 1in New Snow

Snow Line from 962m 3,156ft to resort level ( 300m 984ft ).

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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 -1℃ 31°F
Min -4℃ 25°F

Below freezing at all levels, with valley temperatures as low as -4℃ 25°F and not getting above -1℃ 31°F

Temperature at BaseTemp at Base

Sat
21

Snow unlikely

ClearFairClearFair

Clear sky first, fair then clear sky, fair later.

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

Max 8℃ 45°F
Min -4℃ 24°F

Freeze-thaw (spring snow) conditions, with valley temperatures cooling to -4℃ 24°F and rising to 8℃ 45°F

Temperature at BaseTemp at Base

Sun
22

Snow unlikely

ClearFairClearCloud

Clear sky first, fair then clear sky, cloudy later.

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

Max 8℃ 46°F
Min -2℃ 28°F

Freeze-thaw (spring snow) conditions, with valley temperatures cooling to -2℃ 28°F and rising to 8℃ 46°F

Temperature at BaseTemp at Base

 
Snowfall

 
Snow Line

Mon
23

up to 1cm New Snow

FairLt DrizzleClearFair

Fair first, light drizzle then clear sky, fair later.

Snow Line from 962m 3,156ft to 608m 1,995ft , with rain below.

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

Max 3℃ 38°F
Min -4℃ 25°F

Freeze-thaw (spring snow) conditions, with valley temperatures cooling to -4℃ 25°F and rising to 3℃ 38°F

Temperature at BaseTemp at Base

Tue
24

Snow unlikely

FairFairMixedFair

Fair, clear spells, fair later.

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

Max 5℃ 41°F
Min -5℃ 23°F

Freeze-thaw (spring snow) conditions, with valley temperatures cooling to -5℃ 23°F and rising to 5℃ 41°F

Temperature at BaseTemp at Base

Wed
25

Snow unlikely

ClearClearClearFair

Clear sky early, then fair later.

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

Max 8℃ 46°F
Min -2℃ 28°F

Freeze-thaw (spring snow) conditions, with valley temperatures cooling to -2℃ 28°F and rising to 8℃ 46°F

Temperature at BaseTemp at Base

Thu
26

Snow unlikely

FairClearMixedLight Snow

Fair first, clear sky then clear spells, light snow later.

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

Max 6℃ 43°F
Min 0℃ 32°F

Valley temperatures from an overnight low of 0℃ 32°F to daytime highs around 6℃ 43°F
Freeze-thaw (spring snow) from mid-mountain up.

Temperature at BaseTemp at Base

 
Snowfall

 
Snow Line

Fri
27

Snow unlikely

MixedFairMixedCloud

Clear spells first, fair then clear spells, cloudy later.

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

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 04:41 GMT, next update expected imminently.

Snow Forecast near Niseko Grand Hirafu

Snow Forecasts for Ski Resorts near Niseko Grand Hirafu
Ski Area 48 Hr 7 DaySaSuMoTuWeThFr
Kiroro 4cm 2in 4cm 2in
Niseko Annupuri 1cm - 2cm 1in
Niseko 1cm - 1cm 1in
Niseko Hanazono 1cm - 1cm 1in
Niseko Village/Higashiyama 1cm - 1cm -
Rusutsu 1cm - 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.