J2Ski Canada J2Ski logo
Facebook

Karuizawa Weather Forecast - 7 to 16 days - 23rd May 2026

Karuizawa Weather

ECMWF IFS
GFS
JMA

PROSubscribe to Switch Weather Model

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

Weather Outlook from 23 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 22:42 CDT, next update expected imminently.

Long-range Snow Outlook for Karuizawa

 
Snowfall

 
Snow Line

Max 25℃
Min 8℃

Snow unlikely

Partner Offers

Karuizawa Daily Weather Forecast Detail

16 Day Weather and Snow Forecast for Karuizawa from OpenMeteo(JMA)
BaseSnow and WeatherTemp
Town
Sat
23
Mixed

Clear spells.

Max 10℃
Min 8℃
Sun
24
Cloud

Cloudy.

Max 12℃
Min 8℃
Mon
25
Fair

Fair.

Max 22℃
Min 11℃
Tue
26
Mixed

Clear spells.

Max 22℃
Min 12℃
Wed
27
Lt Drizzle

Light drizzle.

Max 18℃
Min 15℃
Thu
28
Shwrs

Rain showers.

Max 23℃
Min 14℃
Fri
29
Clear

Clear sky.

Max 25℃
Min 12℃

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 22:42 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.