Karuizawa Snow Forecast - 7 day
Updated 13 April 2026 10:40 NZST
7-Day Snow Forecast for Karuizawa
1-week from 13 April.
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 20℃
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 19℃
Min 9℃
Valley temperatures from an overnight low of 9℃ to daytime highs around 19℃
Temperature at BaseTemp at Base
Mon
13
Snow unlikely
Fair early, then clear sky later.
Forecast times for Karuizawa are in Tokyo (Asia/Tokyo) time zone.
Max 14℃
Min 8℃
Valley temperatures from an overnight low of 8℃ to daytime highs around 14℃
Temperature at BaseTemp at Base
Tue
14
Snow unlikely
Clear sky, fair, clear spells later.
Forecast times for Karuizawa are in Tokyo (Asia/Tokyo) time zone.
Max 14℃
Min 8℃
Valley temperatures from an overnight low of 8℃ to daytime highs around 14℃
Temperature at BaseTemp at Base
Wed
15
Snow unlikely
Fair, rain showers, light drizzle later.
Forecast times for Karuizawa are in Tokyo (Asia/Tokyo) time zone.
Max 17℃
Min 7℃
Valley temperatures from an overnight low of 7℃ to daytime highs around 17℃
Temperature at BaseTemp at Base
Thu
16
Snow unlikely
Clear sky early, then clear spells later.
Forecast times for Karuizawa are in Tokyo (Asia/Tokyo) time zone.
Max 17℃
Min 7℃
Valley temperatures from an overnight low of 7℃ to daytime highs around 17℃
Temperature at BaseTemp at Base
Fri
17
Snow unlikely
Clear spells, cloudy, fair later.
Forecast times for Karuizawa are in Tokyo (Asia/Tokyo) time zone.
Max 17℃
Min 7℃
Valley temperatures from an overnight low of 7℃ to daytime highs around 17℃
Temperature at BaseTemp at Base
Sat
18
Snow unlikely
Fair early, then 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
Sun
19
Snow unlikely
Clear sky.
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 10:40 NZST, 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.