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Karuizawa Weather Forecast - 7 to 16 days - 3rd May 2026

Karuizawa Weather

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JMA

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Weather Forecast for Karuizawa (940m to 1,155m)

Weather Outlook from 3 May.

Karuizawa Forecast

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

Karuizawa Weather Forecast updated at 23:40 CDT, next update expected imminently.

Long-range Snow Outlook for Karuizawa

 
Snowfall

 
Snow Line

Max 22℃
Min 4℃

Snow unlikely

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Karuizawa Daily Weather Forecast Detail

16 Day Weather and Snow Forecast for Karuizawa from OpenMeteo(JMA)
BaseSnow and WeatherTemp
Town
Sun
03
Mixed

Clear spells.

Max 15℃
Min 11℃
Mon
04
Lt Rain

Light rain showers.

Max 19℃
Min 6℃
Tue
05
Clear

Clear sky.

Max 17℃
Min 4℃
Wed
06
Cloud

Cloudy.

Max 19℃
Min 5℃
Thu
07
Clear

Clear sky.

Max 22℃
Min 9℃
Fri
08
Mixed

Clear spells.

Max 20℃
Min 9℃
Sat
09
Lt Rain

Light rain.

Max 12℃
Min 10℃

No significant snowfall is forecast for this period.

This Snow Forecast for Karuizawa, 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 Karuizawa, 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.

Karuizawa Weather Forecast updated at 23:40 CDT, next update expected imminently.

Current Snow

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

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

Off-Piste Safety in Karuizawa

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