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Karuizawa Weather Forecast - 7 to 16 days - 2nd July 2026

Karuizawa Weather

ECMWF IFS
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JMA

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

Weather Outlook from 2 July.

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 10:41 NZST, next update expected 13:00 NZST.

Long-range Snow Outlook for Karuizawa

 
Snowfall

 
Snow Line

Max 25℃
Min 16℃

Snow unlikely

Karuizawa Daily Weather Forecast Detail

16 Day Weather and Snow Forecast for Karuizawa from OpenMeteo(JMA)
BaseSnow and WeatherTemp
Town
Thu
02
Shwrs

Rain showers.

Max 17℃
Min 16℃
Fri
03
Lt Drizzle

Light drizzle.

Max 20℃
Min 16℃
Sat
04
Cloud

Cloudy.

Max 20℃
Min 16℃
Sun
05
Cloud

Cloudy.

Max 18℃
Min 17℃
Mon
06
Lt Drizzle

Light drizzle.

Max 24℃
Min 16℃
Tue
07
Lt Drizzle

Light drizzle.

Max 23℃
Min 16℃
Wed
08
Lt Drizzle

Light drizzle.

Max 25℃
Min 16℃

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 10:41 NZST, next update expected 13:00 NZST.

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.