J2Ski J2Ski logo
Facebook

Niseko Snow Forecast - 19th June 2026

Niseko Snow Report and Forecast

ECMWF IFS
GFS
JMA

PROSubscribe to Switch Weather Model

Updated 19 June 2026 15:41 UTC

Snow Forecast for Niseko

Snow and Weather from 19 June.

For Forecast detail, see below.

Niseko Snow Forecast Highlights

When will there be fresh snow in Niseko?

Niseko Snow Forecast Highlights - JMA
Snowfall prediction at mid-mountain (804m)
Next Snow?
There is no snow currently in the forecast for Niseko.

Forecast for today in Niseko

Max 20℃ 69°F
Min 16℃ 60°F

Valley temperatures from an overnight low of 16℃ 60°F to daytime highs around 20℃ 69°F

Temperature at BaseTemp at Base

Fri
19

Snow unlikely

MixedFairFairFair

Clear spells early, then fair later.

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

Niseko 7-Day Snow Forecast Overview

Get this snow forecast by e-mail

Summary Weather and Snow Forecast for Niseko from OpenMeteo(JMA)
Fri
19
Sat
20
Sun
21
Mon
22
Tue
23
Wed
24
Thu
25
Wind
1,308m 4,291ft
14℃ 57°F
Lt Rain
15℃ 60°F
Fair
11℃ 53°F
Fair
10℃ 50°F
Mixed
9℃ 48°F
Shwrs
10℃ 50°F
Clear
15℃ 59°F
Mixed
804m 2,638ft
17℃ 63°F
Lt Rain
19℃ 65°F
Fair
15℃ 58°F
Fair
13℃ 56°F
Mixed
12℃ 54°F
Shwrs
14℃ 56°F
Clear
18℃ 65°F
Mixed
300m 984ft
20℃ 69°F
Lt Rain
22℃ 71°F
Fair
18℃ 64°F
Fair
17℃ 62°F
Mixed
15℃ 60°F
Shwrs
17℃ 62°F
Clear
21℃ 71°F
Mixed
Snow Line
Max Town 20℃ 69°F 22℃ 71°F 18℃ 64°F 17℃ 62°F 15℃ 60°F 17℃ 62°F 21℃ 71°F
Min Town 16℃ 60°F 15℃ 58°F 13℃ 55°F 12℃ 54°F 12℃ 53°F 11℃ 51°F 11℃ 51°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.

Snow Reliability

Niseko is famous for its reliable snowfall, often receiving over 15 meters each season and maintaining excellent snow depth. To ensure you have the latest snow conditions, check J2Ski for up-to-date information on snow quality and weather forecasts.

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.