Niseko Snow Report and Forecast
Snow Forecast for Niseko
When will there be fresh snow?
This is the Snow Forecast for Niseko, Japan for 16 days from 12 May.
Updated 12 May 2025 19:36 BST.
| Next Snow? | |
|---|---|
| There is no snow currently in the forecast for Niseko. | |
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For Forecast detail, see below.
For current snow depths and skiing conditions, see our Current Snow Report for Niseko.
Forecast for today in Niseko
Max 18℃ 64°F
Min 6℃ 42°F
Valley temperatures from an overnight low of 6℃ 42°F to daytime highs around 18℃ 64°F
Temperature at BaseTemp at Base
Mon
12
Snow unlikely
Cloudy first, fair then clear spells, fog later.
Niseko has no new snow forecast in the next 48 hours.
Niseko Snow Report
| Upper Snow Depths |
| - |
| Lower Snow Depths |
| - |
| Snow Conditions |
| - |
Niseko 7-Day Snow Forecast Overview
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| Mon 12 | Tue 13 | Wed 14 | Thu 15 | Fri 16 | Sat 17 | Sun 18 | |
|---|---|---|---|---|---|---|---|
| Wind | S F2 | S F2 | S F2 | ||||
| 1,308m 4,291ft | 11℃ 52°F
| 13℃ 56°F
 | 13℃ 55°F
| 14℃ 58°F
| 16℃ 60°F
| 11℃ 51°F
| 9℃ 48°F
|
| S F2 | S F2 | S F2 | SE F2 | ||||
| 804m 2,638ft | 15℃ 58°F
| 18℃ 63°F
| 18℃ 63°F
| 18℃ 64°F
| 20℃ 67°F
| 15℃ 58°F
| 13℃ 55°F
 |
| S F2 | S F2 | S F2 | |||||
| 300m 984ft | 18℃ 64°F
| 20℃ 67°F
| 20℃ 67°F
| 21℃ 69°F
| 22℃ 72°F
| 17℃ 63°F
| 16℃ 60°F
|
| Snow Line | |||||||
| Max Town | 18℃ 64°F | 20℃ 67°F | 20℃ 67°F | 21℃ 69°F | 22℃ 72°F | 17℃ 63°F | 16℃ 60°F |
| Min Town | 6℃ 42°F | 9℃ 47°F | 9℃ 48°F | 12℃ 53°F | 14℃ 57°F | 12℃ 53°F | 6℃ 42°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.
Niseko 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 18℃ 64°F
Min 6℃ 42°F
Valley temperatures from an overnight low of 6℃ 42°F to daytime highs around 18℃ 64°F
Temperature at BaseTemp at Base
Mon
12
Snow unlikely
Cloudy first, fair then clear spells, fog later.
Max 20℃ 67°F
Min 9℃ 47°F
Valley temperatures from an overnight low of 9℃ 47°F to daytime highs around 20℃ 67°F
Temperature at BaseTemp at Base
Tue
13
Snow unlikely
Cloudy, clear spells, cloudy later.
Max 20℃ 67°F
Min 9℃ 48°F
Valley temperatures from an overnight low of 9℃ 48°F to daytime highs around 20℃ 67°F
Temperature at BaseTemp at Base
Wed
14
Snow unlikely
Cloudy first, clear spells then fair, clear sky later.
Max 21℃ 69°F
Min 12℃ 53°F
Valley temperatures from an overnight low of 12℃ 53°F to daytime highs around 21℃ 69°F
Temperature at BaseTemp at Base
Thu
15
Snow unlikely
Cloudy early, then fair later.
Max 22℃ 72°F
Min 14℃ 57°F
Valley temperatures from an overnight low of 14℃ 57°F to daytime highs around 22℃ 72°F
Temperature at BaseTemp at Base
Fri
16
Snow unlikely
Fair early, then cloudy later.
Max 17℃ 63°F
Min 12℃ 53°F
Valley temperatures from an overnight low of 12℃ 53°F to daytime highs around 17℃ 63°F
Temperature at BaseTemp at Base
Sat
17
Snow unlikely
Cloudy.
Max 16℃ 60°F
Min 6℃ 42°F
Valley temperatures from an overnight low of 6℃ 42°F to daytime highs around 16℃ 60°F
Temperature at BaseTemp at Base
Sun
18
Snow unlikely
Cloudy early, then fair later.
No significant snowfall is forecast for this period.
This Snow Forecast for Niseko, 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 Niseko, 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.
Niseko Snow Forecast updated at 19:36 BST, next update expected imminently.
Understanding and predicting Snow Conditions in Niseko
Here are our tips for making the most of a trip to Niseko, with the help of the J2Ski Snow forecasts and reports. You can find some great skiing in Niseko, 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 Niseko 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 Niseko 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 Niseko 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.