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Hachimantai Snow Forecast - 24th March 2025

Snow Mail

Hachimantai Snow Report and Forecast

Snow Forecast for Hachimantai

When will there be fresh snow?

This is the Snow Forecast for Hachimantai, Japan for 16 days from 24 March.

Updated 25 March 2025 03:31 NZDT.

Hachimantai Snow Forecast Highlights
Next Snow Expected29 March
Next Snow Amount6cm
Next 48 Hours-
Next 7 Days8cm
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For Forecast detail, see below.

For current snow depths and skiing conditions, see our Current Snow Report for Hachimantai.

Forecast for today in Hachimantai

Max 8℃
Min 3℃

Valley temperatures from an overnight low of 3℃ to daytime highs around 8℃

Temperature at BaseTemp at Base

Mon
24

Snow unlikely

CloudMixedFairMixed

Cloudy first, clear spells then fair, clear spells later.

Hachimantai has no new snow forecast in the next 48 hours.

Hachimantai Snow Report

Hachimantai Snow Depths and Conditions.
Upper Snow Depths
-
Lower Snow Depths
-
Snow Conditions
-

Hachimantai 7-Day Snow Forecast Overview

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

Summary Weather and Snow Forecast for Hachimantai from OpenMeteo
Mon
24
Tue
25
Wed
26
Thu
27
Fri
28
Sat
29
Sun
30
WindSW F2SW F3SW F2SW F3SW F3W F4SW F3
1,450m
8℃
Mixed
9℃
Mixed
4℃
Clear
7℃
Lt Rain
7℃
Cloud
+1cm
-3℃
Snow
+6cm
-6℃
Clear
+1cm
SW F2SW F3SW F2SW F3SW F3W F4SW F3
1,200m
8℃
Mixed
9℃
Mixed
4℃
Clear
8℃
Lt Rain
8℃
Cloud
+1cm
-2℃
Snow
+6cm
-4℃
Clear
+1cm
SW F2SW F3SW F2SW F3SW F3W F4SW F3
950m
8℃
Mixed
9℃
Mixed
4℃
Clear
10℃
Lt Rain
10℃
Cloud
+1cm
0℃
Snow
+5cm
-2℃
Clear
+1cm
Snow Line

950m

950m

950m

Max Town8℃9℃4℃10℃10℃0℃-2℃
Min Town3℃4℃-3℃3℃0℃-7℃-9℃

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.

Hachimantai 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 8℃
Min 3℃

Valley temperatures from an overnight low of 3℃ to daytime highs around 8℃

Temperature at BaseTemp at Base

Mon
24

Snow unlikely

CloudMixedFairMixed

Cloudy first, clear spells then fair, clear spells later.

Max 9℃
Min 4℃

Valley temperatures from an overnight low of 4℃ to daytime highs around 9℃

Temperature at BaseTemp at Base

Tue
25

Snow unlikely

FairMixedMixedShwrs

Fair, clear spells, rain showers later.

Max 4℃
Min -3℃

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

Temperature at BaseTemp at Base

Wed
26

Snow unlikely

CloudClearClearMixed

Cloudy, clear sky, clear spells later.

Max 10℃
Min 3℃

Valley temperatures from an overnight low of 3℃ to daytime highs around 10℃

Temperature at BaseTemp at Base

Thu
27

Snow unlikely

CloudShwrsLt RainRain

Cloudy first, rain showers then light rain, rain later.

Max 10℃
Min 0℃

Valley temperatures from an overnight low of 0℃ to daytime highs around 10℃
Freeze-thaw (spring snow) from mid-mountain up.

Temperature at BaseTemp at Base

Snowfall per hour

Snow Line

Fri
28

1cm New Snow

CloudCloudShwrsLight Snow

Cloudy, rain showers, light snow later.

Snow falling to resort level.

Max 0℃
Min -7℃

Valley temperatures from an overnight low of -7℃ to daytime highs around 0℃

Temperature at BaseTemp at Base

Snowfall per hour

Snow Line

Sat
29

5cm to 6cm New Snow

Light SnowCloudLight SnowLt Snow Shwrs

Light snow first, cloudy then light snow, light snow showers later.

Snow falling to resort level.

Max -2℃
Min -9℃

Below freezing at all levels, with valley temperatures as low as -9℃ and not getting above -2℃

Temperature at BaseTemp at Base

Snowfall per hour

Snow Line

Sun
30

1cm New Snow

Lt Snow ShwrsClearClearMixed

Light snow showers, clear sky, clear spells later.

Snow falling to resort level.

This Snow Forecast for Hachimantai, 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 Hachimantai, 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.

Hachimantai Snow Forecast updated at 03:31 NZDT, next update expected 09:00 NZDT.

Snow Forecast near Hachimantai

Snow Forecasts for Ski Resorts near Hachimantai
Snow Report and Forecast 48 HrMonTueWedThuFriSatSun 7 Day
Akitaken Tazawako Kogen-9cm
Amihari-3cm
Hachimantai Resort-2cm
Shizukuishi-2cm

Understanding and predicting Snow Conditions in Hachimantai

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