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Niseko Weather Forecast - 7 to 16 days - 12th May 2026

Niseko Weather

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JMA

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Weather Forecast for Niseko (300m to 1,308m)

Weather Outlook from 12 May.

Niseko Forecast

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

Niseko Weather Forecast updated at 11:42 CDT, next update expected imminently.

Long-range Snow Outlook for Niseko

 
Snowfall

 
Snow Line

Max 19℃
Min 4℃

Snow unlikely

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Niseko Daily Weather Forecast Detail

16 Day Weather and Snow Forecast for Niseko from OpenMeteo(JMA)
BaseSnow and WeatherTemp
Town
Tue
12
Clear

Clear sky.

Max 19℃
Min 10℃
Wed
13
Fair

Fair.

Max 18℃
Min 8℃
Thu
14
Clear

Clear sky.

Max 18℃
Min 5℃
Fri
15
Clear

Clear sky.

Max 16℃
Min 4℃
Sat
16
Mixed

Clear spells.

Max 14℃
Min 7℃
Sun
17
Mixed

Clear spells.

Max 15℃
Min 9℃
Mon
18
Mixed

Clear spells.

Max 11℃
Min 7℃

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 Weather Forecast updated at 11:42 CDT, next update expected imminently.

Current Snow

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

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

Off-Piste Safety in Niseko

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