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Hachimantai Weather Forecast - 7 to 16 days - 3rd May 2026

Hachimantai Weather

ECMWF IFS
GFS
JMA

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Weather Forecast for Hachimantai (3,117ft to 4,757ft)

Weather Outlook from 3 May.

Hachimantai Forecast

See below for the detailed long-range forecast, including lowest and highest temperatures, sunshine, cloud cover, wind and rain projections.

Hachimantai Weather Forecast updated at 15:42 PDT, next update expected 21:00 PDT.

Long-range Snow Outlook for Hachimantai

 
Snowfall

 
Snow Line

Max 63°F
Min 32°F

New Snow

Snow Line from 3,268ft to resort level (3,117ft).

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Hachimantai Daily Weather Forecast Detail

16 Day Weather and Snow Forecast for Hachimantai from OpenMeteo(JMA)
BaseSnow and WeatherTemp
Town
Sun
03
Mixed

Clear spells.

Max 55°F
Min 41°F
Mon
04
Light Snow

New Snow
Light snow.
Snow Line from 3,268ft to resort level (3,117ft).

Max 53°F
Min 33°F
Tue
05
Clear

Clear sky.

Max 50°F
Min 32°F
Wed
06
Clear

Clear sky.

Max 60°F
Min 38°F
Thu
07
Clear

Clear sky.

Max 63°F
Min 36°F
Fri
08
Cloud

Cloudy.

Max 55°F
Min 37°F
Sat
09
Mixed

Clear spells.

Max 58°F
Min 32°F

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 Weather Forecast updated at 15:42 PDT, next update expected 21:00 PDT.

Current Snow

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

For more information about this Japanese Ski Resort, See Also Skiing and Snowboarding in Hachimantai .

Off-Piste Safety in Hachimantai

Before skiing or snowboarding off-piste in Hachimantai, you must assess the local snow conditions. Always check the local Avalanche Risk Level and ski with appropriate safety equipment.