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Karuizawa Weather Forecast - 7 to 16 days - 29th April 2026

Karuizawa Weather

ECMWF IFS
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JMA

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Weather Forecast for Karuizawa (3,084ft to 3,789ft)

Weather Outlook from 29 April.

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 15:43 PDT, next update expected 18:00 PDT.

Long-range Snow Outlook for Karuizawa

 
Snowfall

 
Snow Line

Max 68°F
Min 40°F

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
Wed
29
Mixed

Clear spells.

Max 58°F
Min 44°F
Thu
30
Cloud

Cloudy.

Max 45°F
Min 40°F
Fri
01
Lt Drizzle

Light drizzle.

Max 54°F
Min 42°F
Sat
02
Clear

Clear sky.

Max 65°F
Min 46°F
Sun
03
Cloud

Cloudy.

Max 68°F
Min 48°F
Mon
04
Lt Drizzle

Light drizzle.

Max 66°F
Min 49°F
Tue
05
Mixed

Clear spells.

Max 59°F
Min 47°F

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 trail 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 15:43 PDT, next update expected 18:00 PDT.

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.