Nozawa Onsen 7-Day Snow Forecast

Nozawa Onsen Long-Range Snow Forecast Updated today

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Updated 17 May 2026 05:41 CDT

Long-Range Snow Forecast for Nozawa Onsen

Long-range (14 to 45 days) from 17 May.

For Forecast detail, see below.

Nozawa Onsen Snow Forecast Highlights

When will there be fresh snow in Nozawa Onsen?

Nozawa Onsen Snow Forecast Highlights - JMA
Snowfall prediction at mid-mountain (1,108m)
Next Snow?
There is no snow currently in the forecast for Nozawa Onsen.

Long-range Snow Outlook for Nozawa Onsen

Snowfall

Snow Line

Max 29℃
Min 9℃

Snow unlikely

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Nozawa Onsen Long-Range (2 weeks+) Snow Forecast Outlook

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.

16 Day Weather and Snow Forecast for Nozawa Onsen from OpenMeteo(JMA)
	Snow and Weather	Temp Town
Sun 17	Clear sky.	Max 24℃ Min 15℃
Mon 18	Clear sky.	Max 29℃ Min 15℃
Tue 19	Clear sky.	Max 27℃ Min 17℃
Wed 20	Light rain showers.	Max 22℃ Min 16℃
Thu 21	Drizzle.	Max 18℃ Min 14℃
Fri 22	Light drizzle.	Max 15℃ Min 11℃
Sat 23	Rain showers.	Max 22℃ Min 9℃

No significant snowfall is forecast for this period.

This Snow Forecast for Nozawa Onsen, 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 Nozawa Onsen, 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.

Nozawa Onsen Snow Forecast updated at 05:41 CDT, next update expected 08:00 CDT.

Ensemble forecast for Nozawa Onsen, Japan at 565m

Daily Mean Temperature (yellow line is control)

Daily Total Precipitation (blue line is control)

What are Forecast Ensembles ? Multiple forecasts from running the same weather model with slightly different inputs. The prominent line (the 'control') is the model output from standard inputs, the thinner lines are the variations. Plotted together, they show a range of possible outcomes; the closer they are, the higher the confidence.

How to read Long Range Ensemble Forecasts

These forecasts are from ECMWF EC46, a long-range, low-resolution (area) model. They may not accurately reflect local conditions and should be read as area forecasts, indicating whether the coming weeks are likely to be warmer, colder, wetter, or drier than average.

What to look for?

Temperatures trending downward at the same time as precipitation spikes upward... means snow!

Lines close together indicate a high confidence, while wider spreads signal uncertainty.

Snow Reliability

Nozawa Onsen typically enjoys reliable snow conditions, with an average snowfall of over 10 meters each season. Visitors can expect consistent snow depth throughout the winter, but it's recommended to check the latest snow conditions on J2Ski for up-to-date information.

Off-Piste Safety in Nozawa Onsen

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