Karuizawa Snow Forecast - 7 day
Updated 23 July 2026 07:44 AEST
7-Day Snow Forecast for Karuizawa
1-week from 23 July.
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 32℃
Min 18℃
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 32℃
Min 21℃
Valley temperatures from an overnight low of 21℃ to daytime highs around 32℃
Temperature at BaseTemp at Base
Thu
23
Snow unlikely
Clear sky first, fair then light drizzle, fair later.
Forecast times for Karuizawa are in Tokyo (Asia/Tokyo) time zone.
Max 27℃
Min 21℃
Valley temperatures from an overnight low of 21℃ to daytime highs around 27℃
Temperature at BaseTemp at Base
Fri
24
Snow unlikely
Fair first, light drizzle then cloudy, clear sky later.
Forecast times for Karuizawa are in Tokyo (Asia/Tokyo) time zone.
Max 24℃
Min 20℃
Valley temperatures from an overnight low of 20℃ to daytime highs around 24℃
Temperature at BaseTemp at Base
Sat
25
Snow unlikely
Drizzle first, light drizzle then rain showers, cloudy later.
Forecast times for Karuizawa are in Tokyo (Asia/Tokyo) time zone.
Max 25℃
Min 18℃
Valley temperatures from an overnight low of 18℃ to daytime highs around 25℃
Temperature at BaseTemp at Base
Sun
26
Snow unlikely
Light drizzle, clear sky, fair later.
Forecast times for Karuizawa are in Tokyo (Asia/Tokyo) time zone.
Max 26℃
Min 18℃
Valley temperatures from an overnight low of 18℃ to daytime highs around 26℃
Temperature at BaseTemp at Base
Mon
27
Snow unlikely
Light drizzle early, then clear spells later.
Forecast times for Karuizawa are in Tokyo (Asia/Tokyo) time zone.
Max 28℃
Min 19℃
Valley temperatures from an overnight low of 19℃ to daytime highs around 28℃
Temperature at BaseTemp at Base
Tue
28
Snow unlikely
Fair, light drizzle, clear spells later.
Forecast times for Karuizawa are in Tokyo (Asia/Tokyo) time zone.
Max 28℃
Min 19℃
Valley temperatures from an overnight low of 19℃ to daytime highs around 28℃
Temperature at BaseTemp at Base
Wed
29
Snow unlikely
Light drizzle early, then fair 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 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 07:44 AEST, 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.