Karuizawa Snow Forecast - 7 day
Updated 12 October 2026 04:45 NZDT
7-Day Snow Forecast for Karuizawa
1-week from 11 October.
For Forecast detail, see below.
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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 22℃
Min 6℃
Snow unlikely
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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 22℃
Min 13℃
Valley temperatures from an overnight low of 13℃ to daytime highs around 22℃
Temperature at BaseTemp at Base
Sun
11
Snow unlikely
Clear sky early, then fair later.
Forecast times for Karuizawa are in Tokyo (Asia/Tokyo) time zone.
Max 19℃
Min 12℃
Valley temperatures from an overnight low of 12℃ to daytime highs around 19℃
Temperature at BaseTemp at Base
Mon
12
Snow unlikely
Fair first, clear sky then clear spells, clear sky later.
Forecast times for Karuizawa are in Tokyo (Asia/Tokyo) time zone.
Max 18℃
Min 12℃
Valley temperatures from an overnight low of 12℃ to daytime highs around 18℃
Temperature at BaseTemp at Base
Tue
13
Snow unlikely
Fair, clear sky, clear spells later.
Forecast times for Karuizawa are in Tokyo (Asia/Tokyo) time zone.
Max 19℃
Min 9℃
Valley temperatures from an overnight low of 9℃ to daytime highs around 19℃
Temperature at BaseTemp at Base
Wed
14
Snow unlikely
Light rain first, light drizzle then clear spells, clear sky later.
Forecast times for Karuizawa are in Tokyo (Asia/Tokyo) time zone.
Max 18℃
Min 7℃
Valley temperatures from an overnight low of 7℃ to daytime highs around 18℃
Temperature at BaseTemp at Base
Thu
15
Snow unlikely
Clear sky, clear spells, clear sky later.
Forecast times for Karuizawa are in Tokyo (Asia/Tokyo) time zone.
Max 20℃
Min 6℃
Valley temperatures from an overnight low of 6℃ to daytime highs around 20℃
Temperature at BaseTemp at Base
Fri
16
Snow unlikely
Clear sky first, fair then clear spells, fair later.
Forecast times for Karuizawa are in Tokyo (Asia/Tokyo) time zone.
Max 18℃
Min 8℃
Valley temperatures from an overnight low of 8℃ to daytime highs around 18℃
Temperature at BaseTemp at Base
Sat
17
Snow unlikely
Clear sky first, fair then light drizzle, cloudy 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 04:45 NZDT, next update expected 07:00 NZDT.
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.