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Arai Snow Forecast - 23rd May 2026

Arai Snow Report and Forecast

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JMA

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Updated 23 May 2026 13:42 AEST

Snow Forecast for Arai

Snow and Weather from 23 May.

For Forecast detail, see below.

Arai Snow Forecast Highlights

When will there be fresh snow in Arai?

Arai Snow Forecast Highlights - JMA
Snowfall prediction at mid-mountain (805m)
Next Snow?
There is no snow currently in the forecast for Arai.

Forecast for today in Arai

Max 15℃
Min 12℃

Valley temperatures from an overnight low of 12℃ to daytime highs around 15℃

Temperature at BaseTemp at Base

Sat
23

Snow unlikely

MixedMixedMixedMixed

Clear spells.

Forecast times for Arai are in Tokyo (Asia/Tokyo) time zone.

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Arai 7-Day Snow Forecast Overview

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Summary Weather and Snow Forecast for Arai from OpenMeteo(JMA)
Sat
23
Sun
24
Mon
25
Tue
26
Wed
27
Thu
28
Fri
29
WindE F2SW F3
1,280m
9℃
Mixed
12℃
Mixed
17℃
Clear
17℃
Fair
15℃
Cloud
15℃
Hvy Drizzle
20℃
Cloud
E F2SW F3
805m
12℃
Mixed
15℃
Mixed
20℃
Clear
20℃
Fair
18℃
Cloud
19℃
Hvy Drizzle
23℃
Cloud
E F2SW F3
329m
15℃
Mixed
18℃
Mixed
23℃
Clear
23℃
Fair
21℃
Cloud
22℃
Hvy Drizzle
26℃
Cloud
Snow Line
Max Town15℃18℃23℃23℃21℃22℃26℃
Min Town12℃14℃14℃15℃16℃18℃18℃

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.

Snow Reliability

Arai typically sees consistent snowfall throughout the winter, with average snow depths reaching up to 3 meters. For the latest snow conditions, be sure to check J2Ski for real-time information.

Understanding and predicting Snow Conditions in Arai

Here are our tips for making the most of a trip to Arai, with the help of the J2Ski Snow forecasts and reports. You can find some great skiing in Arai, 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 Arai 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 Arai 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 Arai 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.