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Karuizawa 7-Day Snow Forecast - 2nd July 2026

Karuizawa Snow Forecast - 7 day

ECMWF IFS
GFS
JMA

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Updated 02 July 2026 08:41 PDT

7-Day Snow Forecast for Karuizawa

1-week from 2 July.

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 (3,437ft)
Next Snow?
There is no snow currently in the forecast for Karuizawa.

7-Day Snow Outlook for Karuizawa

 
Snowfall

 
Snow Line

Max 75°F
Min 60°F

Snow unlikely

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 62°F
Min 61°F

Valley temperatures from an overnight low of 61°F to daytime highs around 62°F

Temperature at BaseTemp at Base

Thu
02

Snow unlikely

DrizzleLt DrizzleLt RainMixed

Drizzle first, light drizzle then light rain showers, clear spells later.

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

Max 66°F
Min 60°F

Valley temperatures from an overnight low of 60°F to daytime highs around 66°F

Temperature at BaseTemp at Base

Fri
03

Snow unlikely

Lt DrizzleLt DrizzleCloudCloud

Light drizzle early, then cloudy later.

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

Max 70°F
Min 60°F

Valley temperatures from an overnight low of 60°F to daytime highs around 70°F

Temperature at BaseTemp at Base

Sat
04

Snow unlikely

MixedFairCloudCloud

Clear spells, fair, cloudy later.

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

Max 69°F
Min 62°F

Valley temperatures from an overnight low of 62°F to daytime highs around 69°F

Temperature at BaseTemp at Base

Sun
05

Snow unlikely

CloudRainDrizzleLt Drizzle

Cloudy first, rain then drizzle, light drizzle later.

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

Max 71°F
Min 61°F

Valley temperatures from an overnight low of 61°F to daytime highs around 71°F

Temperature at BaseTemp at Base

Mon
06

Snow unlikely

CloudHvy DrizzleDrizzleLt Drizzle

Cloudy first, heavy drizzle then drizzle, light drizzle later.

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

Max 70°F
Min 60°F

Valley temperatures from an overnight low of 60°F to daytime highs around 70°F

Temperature at BaseTemp at Base

Tue
07

Snow unlikely

Lt DrizzleLt DrizzleLt DrizzleCloud

Light drizzle early, then cloudy later.

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

Max 75°F
Min 60°F

Valley temperatures from an overnight low of 60°F to daytime highs around 75°F

Temperature at BaseTemp at Base

Wed
08

Snow unlikely

Lt DrizzleLt DrizzleLt DrizzleLt Drizzle

Light drizzle.

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 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 Snow Forecast updated at 08:41 PDT, next update expected imminently.

Snow Reliability

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.