Karuizawa Snow Forecast - 7 day
Updated 12 June 2026 08:41 PDT
7-Day Snow Forecast for Karuizawa
1-week from 12 June.
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 73°F
Min 49°F
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 64°F
Min 56°F
Valley temperatures from an overnight low of 56°F to daytime highs around 64°F
Temperature at BaseTemp at Base
Fri
12
Snow unlikely
Rain showers, fair, clear sky later.
Forecast times for Karuizawa are in Tokyo (Asia/Tokyo) time zone.
Max 71°F
Min 53°F
Valley temperatures from an overnight low of 53°F to daytime highs around 71°F
Temperature at BaseTemp at Base
Sat
13
Snow unlikely
Clear sky first, clear spells then light drizzle, clear sky later.
Forecast times for Karuizawa are in Tokyo (Asia/Tokyo) time zone.
Max 69°F
Min 57°F
Valley temperatures from an overnight low of 57°F to daytime highs around 69°F
Temperature at BaseTemp at Base
Sun
14
Snow unlikely
Fair early, then cloudy later.
Forecast times for Karuizawa are in Tokyo (Asia/Tokyo) time zone.
Max 66°F
Min 51°F
Valley temperatures from an overnight low of 51°F to daytime highs around 66°F
Temperature at BaseTemp at Base
Mon
15
Snow unlikely
Fair first, light drizzle then cloudy, fair later.
Forecast times for Karuizawa are in Tokyo (Asia/Tokyo) time zone.
Max 71°F
Min 49°F
Valley temperatures from an overnight low of 49°F to daytime highs around 71°F
Temperature at BaseTemp at Base
Tue
16
Snow unlikely
Fair first, clear spells then clear sky, cloudy later.
Forecast times for Karuizawa are in Tokyo (Asia/Tokyo) time zone.
Max 73°F
Min 51°F
Valley temperatures from an overnight low of 51°F to daytime highs around 73°F
Temperature at BaseTemp at Base
Wed
17
Snow unlikely
Cloudy first, light drizzle then cloudy, light drizzle later.
Forecast times for Karuizawa are in Tokyo (Asia/Tokyo) time zone.
Max 73°F
Min 56°F
Valley temperatures from an overnight low of 56°F to daytime highs around 73°F
Temperature at BaseTemp at Base
Thu
18
Snow unlikely
Light drizzle early, then 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 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 11:00 PDT.
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.