Karuizawa Snow Forecast - 7 day
Updated 02 July 2026 17:41 CDT
7-Day Snow Forecast for Karuizawa
1-week from 2 July.
For Forecast detail, see below.
J2Ski - Sign In for a long-range snow forecast, with more weather detail.
Karuizawa 7-Day Snow Forecast Highlights
When will there be fresh snow in Karuizawa?
| Next Snow? | |
|---|---|
| There is no snow currently in the forecast for Karuizawa. |
7-Day Snow Outlook for Karuizawa
Snowfall
Snow Line
Max 25℃
Min 16℃
Snow unlikely
J2Ski - Sign In for a long-range snow forecast, with more weather detail.
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 17℃
Min 16℃
Valley temperatures from an overnight low of 16℃ to daytime highs around 17℃
Temperature at BaseTemp at Base
Thu
02
Snow unlikely
Drizzle first, light drizzle then rain showers, fair later.
Forecast times for Karuizawa are in Tokyo (Asia/Tokyo) time zone.
Max 20℃
Min 16℃
Valley temperatures from an overnight low of 16℃ to daytime highs around 20℃
Temperature at BaseTemp at Base
Fri
03
Snow unlikely
Light drizzle early, then cloudy later.
Forecast times for Karuizawa are in Tokyo (Asia/Tokyo) time zone.
Max 20℃
Min 16℃
Valley temperatures from an overnight low of 16℃ to daytime highs around 20℃
Temperature at BaseTemp at Base
Sat
04
Snow unlikely
Cloudy first, clear spells then light drizzle, rain showers later.
Forecast times for Karuizawa are in Tokyo (Asia/Tokyo) time zone.
Max 18℃
Min 17℃
Valley temperatures from an overnight low of 17℃ to daytime highs around 18℃
Temperature at BaseTemp at Base
Sun
05
Snow unlikely
Cloudy first, light drizzle then rain, clear spells later.
Forecast times for Karuizawa are in Tokyo (Asia/Tokyo) time zone.
Max 24℃
Min 16℃
Valley temperatures from an overnight low of 16℃ to daytime highs around 24℃
Temperature at BaseTemp at Base
Mon
06
Snow unlikely
Light drizzle.
Forecast times for Karuizawa are in Tokyo (Asia/Tokyo) time zone.
Max 23℃
Min 16℃
Valley temperatures from an overnight low of 16℃ to daytime highs around 23℃
Temperature at BaseTemp at Base
Tue
07
Snow unlikely
Light drizzle first, rain showers then light drizzle, cloudy later.
Forecast times for Karuizawa are in Tokyo (Asia/Tokyo) time zone.
Max 25℃
Min 16℃
Valley temperatures from an overnight low of 16℃ to daytime highs around 25℃
Temperature at BaseTemp at Base
Wed
08
Snow unlikely
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 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 17:41 CDT, next update expected 20:00 CDT.
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.








