J2Ski India J2Ski logo
Facebook

Karuizawa 7-Day Snow Forecast - 3rd October 2026

Karuizawa Snow Forecast - 7 day

ECMWF IFS
GFS
JMA

PROSubscribe to Switch Weather Model

Updated 03 October 2026 21:15 IST

7-Day Snow Forecast for Karuizawa

1-week from 3 October.

For Forecast detail, see below.

Karuizawa 7-Day Snow Forecast Highlights

When will there be fresh snow in Karuizawa?

Karuizawa Snow Forecast Highlights - JMA
Snowfall prediction at mid-mountain (1,048m)
Next Snow?
There is no snow currently in the forecast for Karuizawa.

7-Day Snow Outlook for Karuizawa

 
Snowfall

 
Snow Line

Max 22℃
Min 5℃

Snow unlikely

Partner Offers

Karuizawa Medium-Range (7-Day) Snow Forecast Detail

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.

Max 19℃
Min 11℃

Valley temperatures from an overnight low of 11℃ to daytime highs around 19℃

Temperature at BaseTemp at Base

Sat
03

Snow unlikely

ClearClearMixedFair

Clear sky, clear spells, fair later.

Forecast times for Karuizawa are in Tokyo (Asia/Tokyo) time zone.

Max 14℃
Min 10℃

Valley temperatures from an overnight low of 10℃ to daytime highs around 14℃

Temperature at BaseTemp at Base

Sun
04

Snow unlikely

FairCloudMixedFair

Fair first, cloudy then clear spells, fair later.

Forecast times for Karuizawa are in Tokyo (Asia/Tokyo) time zone.

Max 17℃
Min 11℃

Valley temperatures from an overnight low of 11℃ to daytime highs around 17℃

Temperature at BaseTemp at Base

Mon
05

Snow unlikely

FairFairFairClear

Fair early, then clear sky later.

Forecast times for Karuizawa are in Tokyo (Asia/Tokyo) time zone.

Max 22℃
Min 12℃

Valley temperatures from an overnight low of 12℃ to daytime highs around 22℃

Temperature at BaseTemp at Base

Tue
06

Snow unlikely

FairLt DrizzleLt DrizzleLt Drizzle

Fair early, then light drizzle later.

Forecast times for Karuizawa are in Tokyo (Asia/Tokyo) time zone.

Max 16℃
Min 5℃

Valley temperatures from an overnight low of 5℃ to daytime highs around 16℃

Temperature at BaseTemp at Base

Wed
07

Snow unlikely

Lt RainClearClearClear

Light rain showers early, then clear sky later.

Forecast times for Karuizawa are in Tokyo (Asia/Tokyo) time zone.

Max 21℃
Min 5℃

Valley temperatures from an overnight low of 5℃ to daytime highs around 21℃

Temperature at BaseTemp at Base

Thu
08

Snow unlikely

ClearClearClearClear

Clear sky.

Forecast times for Karuizawa are in Tokyo (Asia/Tokyo) time zone.

Max 22℃
Min 8℃

Valley temperatures from an overnight low of 8℃ to daytime highs around 22℃

Temperature at BaseTemp at Base

Fri
09

Snow unlikely

ClearClearFairMixed

Clear sky, fair, clear spells later.

Forecast times for Karuizawa are in Tokyo (Asia/Tokyo) time zone.

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 Snow Forecast updated at 21:15 IST, next update expected imminently.

How reliable is the snow in Karuizawa?

Karuizawa typically enjoys reliable snow conditions with an average snow depth of 100 cm during peak season. For the latest snow information, including current conditions and snowfall, check J2Ski for updates.