Hachimantai Snow Report and Forecast
Snow Forecast for Hachimantai
When will there be fresh snow?
This is the Snow Forecast for Hachimantai, Japan for 15 days from 26 March.
Updated 25 March 2025 07:36 PDT.
| Next Snow Expected | 30 March |
|---|---|
| Next Snow Amount | 3in |
| Next 48 Hours | - |
| Next 7 Days | 5in |
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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 38°F
Min 27°F
Freeze-thaw (spring snow) conditions, with valley temperatures cooling to 27°F and rising to 38°F
Temperature at BaseTemp at Base
Wed
26
Snow unlikely
Clear spells, fair, clear spells later.
Hachimantai has no new snow forecast in the next 48 hours.
Hachimantai Snow Report
| Upper Snow Depths |
| - |
| Lower Snow Depths |
| - |
| Snow Conditions |
| - |
Hachimantai 7-Day Snow Forecast Overview
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| Wed 26 | Thu 27 | Fri 28 | Sat 29 | Sun 30 | Mon 31 | Tue 01 | |
|---|---|---|---|---|---|---|---|
| Wind | SW F2 | SW F3 | W F3 | SW F2 | SW F3 | W F2 | |
| 4,757ft | 38°F
| 53°F
 | 47°F
 | 26°F
 | 21°F
 +3in
| 21°F
| 30°F
+1in
|
| SW F2 | SW F3 | W F3 | SW F2 | SW F3 | W F2 | ||
| 3,937ft | 38°F
| 53°F
| 47°F
| 28°F
| 24°F
+3in
| 24°F
| 33°F
+1in
|
| SW F2 | SW F3 | W F3 | SW F2 | SW F3 | W F2 | ||
| 3,117ft | 38°F
| 53°F
| 47°F
| 31°F
| 27°F
+3in
| 27°F
| 36°F
|
| Snow Line | 3,117ft | 3,117ft | 3,117ft | varying 4,065ft | |||
| Max Town | 38°F | 53°F | 47°F | 31°F | 27°F | 27°F | 36°F |
| Min Town | 27°F | 37°F | 25°F | 19°F | 18°F | 17°F | 23°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.
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 38°F
Min 27°F
Freeze-thaw (spring snow) conditions, with valley temperatures cooling to 27°F and rising to 38°F
Temperature at BaseTemp at Base
Wed
26
Snow unlikely
Clear spells, fair, clear spells later.
Max 53°F
Min 37°F
Valley temperatures from an overnight low of 37°F to daytime highs around 53°F
Temperature at BaseTemp at Base
Thu
27
Snow unlikely
Light rain showers, rain, light drizzle later.
Max 47°F
Min 25°F
Freeze-thaw (spring snow) conditions, with valley temperatures cooling to 25°F and rising to 47°F
Temperature at BaseTemp at Base
Fri
28
Snow unlikely
Clear spells early, then cloudy later.
Max 31°F
Min 19°F
Below freezing at all levels, with valley temperatures as low as 19°F and not getting above 31°F
Temperature at BaseTemp at Base
Snowfall per hour
Snow Line
Sat
29
Snow unlikely
Cloudy first, clear spells then clear sky, clear spells later.
Max 27°F
Min 18°F
Below freezing at all levels, with valley temperatures as low as 18°F and not getting above 27°F
Temperature at BaseTemp at Base
Snowfall per hour
Snow Line
Sun
30
3in New Snow
Heavy snow showers first, cloudy then light snow, cloudy later.
Snow falling to resort level.
Max 27°F
Min 17°F
Below freezing at all levels, with valley temperatures as low as 17°F and not getting above 27°F
Temperature at BaseTemp at Base
Snowfall per hour
Snow Line
Mon
31
Snow unlikely
Cloudy, clear spells, clear sky later.
Max 36°F
Min 23°F
Freeze-thaw (spring snow) conditions, with valley temperatures cooling to 23°F and rising to 36°F
Temperature at BaseTemp at Base
Snowfall per hour
Snow Line
Tue
01
up to 1in New Snow
Clear sky first, fair then clear spells, heavy snow showers later.
Snow Line from 4,065ft 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 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 07:36 PDT, next update expected imminently.
Snow Forecast near Hachimantai
| Snow Report and Forecast | 48 Hr | Wed | Thu | Fri | Sat | Sun | Mon | Tue | 7 Day |
|---|---|---|---|---|---|---|---|---|---|
| Akitaken Tazawako Kogen | - | 6in | |||||||
| Amihari | - | 6in | |||||||
| Shizukuishi | - | 5in | |||||||
| Hachimantai Resort | - | 4in |
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.