J2Ski USA J2Ski logo
Facebook

Niseko Grand Hirafu Snow Forecast - 28th May 2025

J2Ski - Sign In

Niseko Grand Hirafu Snow Report and Forecast

Snow Forecast for Niseko Grand Hirafu

When will there be fresh snow?

This is the Snow Forecast for Niseko Grand Hirafu, Japan for 16 days from 28 May.

Updated 27 May 2025 21:38 PDT.

Niseko Grand Hirafu Snow Forecast Highlights
Next Snow?
There is no snow currently in the forecast for Niseko Grand Hirafu.
Free Snow Reports by e-Mail  Sign Up for Powder Alerts

For Forecast detail, see below.

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

Forecast for today in Niseko Grand Hirafu

Max 70°F
Min 45°F

Valley temperatures from an overnight low of 45°F to daytime highs around 70°F

Temperature at BaseTemp at Base

Wed
28

Snow unlikely

FairCloudFogClear

Fair first, cloudy then fog, clear sky later.

Niseko Grand Hirafu has no new snow forecast in the next 48 hours.

Niseko Grand Hirafu Snow Report

Niseko Grand Hirafu Snow Depths and Conditions.
Snow Conditions-

Niseko Grand Hirafu 7-Day Snow Forecast Overview

Get this snow forecast by e-mail Join J2Ski's Snow Mail Here

 NEW FOR 24/25 - Improved Forecasts for Niseko Grand Hirafu - high-resolution weather models, updated more often -  Subscribe

Summary Weather and Snow Forecast for Niseko Grand Hirafu from OpenMeteo
Wed
28
Thu
29
Fri
30
Sat
31
Sun
01
Mon
02
Tue
03
Wind
4,291ft
57°F
Cloud
62°F
Fair
66°F
Cloud
60°F
Cloud
45°F
Cloud
54°F
Cloud
56°F
Lt Rain
2,638ft
63°F
Cloud
68°F
Fair
72°F
Cloud
66°F
Cloud
51°F
Cloud
60°F
Cloud
62°F
Lt Rain
984ft
70°F
Fog
74°F
Fair
79°F
Cloud
72°F
Cloud
57°F
Cloud
65°F
Cloud
69°F
Lt Rain
Snow Line
Max Town70°F74°F79°F72°F57°F65°F69°F
Min Town45°F48°F54°F54°F50°F51°F57°F

This table shows the average forecast snowfall, the maximum temperature, and expected general weather at resort, lower and upper mountain levels. For daily forecast details, see below.

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 70°F
Min 45°F

Valley temperatures from an overnight low of 45°F to daytime highs around 70°F

Temperature at BaseTemp at Base

Wed
28

Snow unlikely

FairCloudFogClear

Fair first, cloudy then fog, clear sky later.

Max 74°F
Min 48°F

Valley temperatures from an overnight low of 48°F to daytime highs around 74°F

Temperature at BaseTemp at Base

Thu
29

Snow unlikely

ClearFairFogFog

Clear sky, fair, fog later.

Max 79°F
Min 54°F

Valley temperatures from an overnight low of 54°F to daytime highs around 79°F

Temperature at BaseTemp at Base

Fri
30

Snow unlikely

CloudCloudCloudCloud

Cloudy.

Max 72°F
Min 54°F

Valley temperatures from an overnight low of 54°F to daytime highs around 72°F

Temperature at BaseTemp at Base

Sat
31

Snow unlikely

CloudCloudRainCloud

Cloudy, rain, cloudy later.

Max 57°F
Min 50°F

Valley temperatures from an overnight low of 50°F to daytime highs around 57°F

Temperature at BaseTemp at Base

Sun
01

Snow unlikely

CloudCloudMixedMixed

Cloudy early, then clear spells later.

Max 65°F
Min 51°F

Valley temperatures from an overnight low of 51°F to daytime highs around 65°F

Temperature at BaseTemp at Base

Mon
02

Snow unlikely

MixedMixedCloudCloud

Clear spells early, then cloudy later.

Max 69°F
Min 57°F

Valley temperatures from an overnight low of 57°F to daytime highs around 69°F

Temperature at BaseTemp at Base

Tue
03

Snow unlikely

CloudShwrsLt RainLt Rain

Cloudy, rain showers, light rain later.

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.

Niseko Grand Hirafu Snow Forecast updated at 21:38 PDT, next update expected 00:00 PDT.

Understanding and predicting Snow Conditions in Niseko Grand Hirafu

Here are our tips for making the most of a trip to Niseko Grand Hirafu, with the help of the J2Ski Snow forecasts and reports. You can find some great skiing in Niseko Grand Hirafu, but like any mountain, snow conditions change throughout the season, from day to day, and even from hour to hour.

Whether you’re sticking to the marked pistes or venturing off-piste, here’s what you need to know:

Pistes (Groomers) or Off-Piste

These can be a world apart, regarding snow conditions, even ignoring the difference between the natural terrain features to be found off-piste and the generally controlled surfaces and slopes of a pisted (groomed) run.

  • Piste Conditions can range from fresh powder to firm, icy surfaces, particularly after warm spells or a busy day on the mountain with the passage of many skiers.
  • Off-Piste Conditions are far more variable. Wind and sun can quickly transform fresh snow into wind crust or slushy layers, whilst cold weather can preserve stashes of powder many days after a snowfall.

WARNING - skiing off-piste (out-of-bounds) at Niseko Grand Hirafu is uncontrolled and un-marked slopes are not made safe (from avalanche risk) or patrolled. Always check local advice, know the Avalanche Risk Level, ski with safety kit (and know how to use it), and never ski alone.

Analyzing Weather and Snowfall Forecasts

Whilst no forecast can tell you exactly how snow conditions in Niseko Grand Hirafu will develop, checking the forecast regularly should give you an idea of what to expect.

New snowfall can bring fresh powder and refresh the surfaces of pisted runs. Powder can be tracked out quickly at busy times, but in less crowded and shaded areas, fresh snow can linger for days.

Changes in weather conditions, such as milder temperatures, rain or wind, can degrade snow quality. Conversely, cold, stable weather can preserve conditions for extended periods.

Predicting Future Snow Quality

Regularly check our snow and weather forecasts for Niseko Grand Hirafu for changes that may affect snow quality. Forecast snowfall depth and recent snowfall are good indicators of what to expect.

Use historical data and recent snow reports to understand past snow conditions and anticipate future changes.