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Hachimantai 7-Day Snow Forecast - 12th April 2026

Hachimantai Snow Forecast - 7 day

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JMA

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Updated 13 April 2026 02:42 AEST

7-Day Snow Forecast for Hachimantai

1-week from 12 April.

For Forecast detail, see below.

Hachimantai 7-Day Snow Forecast Highlights

When will there be fresh snow in Hachimantai?

Hachimantai Snow Forecast Highlights - JMA
Snowfall prediction at mid-mountain (1,200m)
Next Snow?
There is no snow currently in the forecast for Hachimantai.

7-Day Snow Outlook for Hachimantai

 
Snowfall

 
Snow Line

Max 15℃
Min -1℃

Snow unlikely

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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 2℃
Min 0℃

Valley temperatures from an overnight low of 0℃ to daytime highs around 2℃

Temperature at BaseTemp at Base

Sun
12

Snow unlikely

ClearClearClearClear

Clear sky.

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

Max 9℃
Min 0℃

Valley temperatures from an overnight low of 0℃ to daytime highs around 9℃
Freeze-thaw from mid-mountain up.

Temperature at BaseTemp at Base

Mon
13

Snow unlikely

ClearClearClearMixed

Clear sky early, then clear spells later.

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

Max 12℃
Min 1℃

Valley temperatures from an overnight low of 1℃ to daytime highs around 12℃
Freeze-thaw conditions up high.

Temperature at BaseTemp at Base

Tue
14

Snow unlikely

FairClearClearFair

Fair, clear sky, fair later.

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

Max 13℃
Min 2℃

Valley temperatures from an overnight low of 2℃ to daytime highs around 13℃
Freeze-thaw conditions up high.

Temperature at BaseTemp at Base

Wed
15

Snow unlikely

FairLt DrizzleLt DrizzleFair

Fair, light drizzle, fair later.

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

Max 10℃
Min 0℃

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

Temperature at BaseTemp at Base

Thu
16

Snow unlikely

ClearClearClearClear

Clear sky.

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

Max 15℃
Min -1℃

Freeze-thaw conditions, with valley temperatures cooling to -1℃ and rising to 15℃

Temperature at BaseTemp at Base

Fri
17

Snow unlikely

FairMixedCloudLt Drizzle

Fair first, clear spells then cloudy, light drizzle later.

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

Max 8℃
Min 4℃

Valley temperatures from an overnight low of 4℃ to daytime highs around 8℃

Temperature at BaseTemp at Base

Sat
18

Snow unlikely

DrizzleLt DrizzleLt DrizzleFair

Drizzle, light drizzle, fair later.

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

No significant snowfall is forecast for this period.

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 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.

Hachimantai Snow Forecast updated at 02:42 AEST, next update expected 08:00 AEST.

Snow Reliability

Hachimantai enjoys reliable snow conditions, with average snow depth reaching up to 2 meters during peak season. For the latest snow information, check J2Ski regularly.